National Dental Practice-Based Research Network Research Articles

Perceptions of mental health screening and referral to treatment in National Dental-Practice Based Research Network practices: A qualitative study.

Dental practices can have additional positive impacts on public health by implementing mental health screening and referral to treatment in dental care workflows. In this study, we examined how dental practices identify and address adult patient mental health concerns, attitudes about implementing mental health screening and referral, and potential barriers and facilitators to treatment. We conducted semi-structured focus groups with 17 dentists, 10 dental hygienists, and 5 dental assistants/office staff in the South-Central region of the National Dental Practice-Based Research Network. Transcribed interviews were analyzed using thematic analysis. We identified five main themes from dental practitioners and office staff responses. Practitioners and office staff: (1) discover patient mental health concerns through record review, patient/caregiver disclosure, and patient observation; (2) respond to patients' mental health concerns by making the patient more comfortable, documenting the concern in the patient's chart, and directly addressing the mental health concern; (3) want a systematic process for mental health screening and referral to treatment in their dental office; (4) recognize potential barriers in implementing health screening and referral to treatment processes; (5) desire training on mental health matters. An overarching theme emerged: developing a trusting relationship with patients. Participants noted the importance of implementing systematic procedures for mental health screening and referral to services into dental practices, while also recognizing the potential barriers for integrating such processes. They also expressed a desire for quality training and resources that can support better care for patients with mental health concerns.

Pragmatic Return to Effective Dental Infection Control through Triage and Testing (PREDICT): an observational, feasibility study to improve dental office safety

BackgroundDuring the COVID-19 pandemic, there was a substantial interruption of care, with patients and workers fearful to return to the dental office. As dental practice creates a highly aerosolized environment, the potential for spread of airborne illness is magnified. As a means to increase safety and mitigate risk, pre-visit testing for SARS-CoV-2 has the potential to minimize disease transmission in dental offices. The Pragmatic Return to Effective Dental Infection Control through Testing (PREDICT) Feasibility Study examined the logistics and impact of two different testing mechanisms (laboratory-based PCR viral testing and point-of-care antigen testing) in dental offices.MethodsDental healthcare workers (DHCWs) and patients in four dental offices within the National Dental Practice-based Research Network participated in this prospective study. In addition to electronic surveys, participants in two offices completed POC testing, while participants in two offices used lab-based PCR methods to detect SARS-CoV-2 infection. Analysis was limited to descriptive measures, with median and interquartile ranges reported for Likert scale responses and mean and standard deviation for continuous variables.ResultsOf the total 72 enrolled, 28 DHCWs and 41 patients completed the protocol. Two patients (4.9%) tested positive prior to their visit, while 2 DHCWs (12.5%) tested positive for SARS-CoV-2 infection at the start of the study. DHCWs and patients shared similar degree of concern (69% and 63%, respectively) for contracting COVID-19 from patients, while patients feared contracting COVID-19 from DHCWs less (49%). Descriptive statistics calculations revealed that saliva, tongue epithelial cells, and nasal swabs were the most desirable specimen collection method; both testing (LAB and POC) protocols took similar amounts of total time to complete; and DHCWs and patients reported feeling more comfortable when both groups were tested.ConclusionsWhile a larger-scale, network study is necessary for generalizability of results, this feasibility study suggests that SARS-CoV-2 testing can be effectively implemented into dental practice workflows and positively impact perception of safety for DHCWs and patients. As new virulent infectious diseases emerge, preparing dental personnel to employ an entire toolbox of risk mitigation strategies, including testing, may have the potential to decrease dental practice closure time, maintaining continuity of dental care services for patients.Trial registrationClinicalTrials.gov: NCT05123742.

Survival analysis of posterior composite restorations in National Dental PBRN general dentistry practices

ObjectiveQuantify the survival of posterior composite restorations (PCR) placed during the study period in permanent teeth in United States (US) general dental community practices and factors predictive of that survival. MethodsA retrospective cohort study was conducted utilizing de-identified electronic dental record (EDR) data of patients who received a PCR in 99 general dentistry practices in the National Dental Practice-Based Research Network (Network). The final analyzed data set included 700,885 PCRs from 200,988 patients. Descriptive statistics and Kaplan Meier (product limit) estimator were performed to estimate the survival rate (defined as the PCR not receiving any subsequent treatment) after the first PCR was observed in the EDR during the study time. The Cox proportional hazards model was done to account for patient- and tooth-specific covariates. ResultsThe overall median survival time was 13.3 years. The annual failure rates were 4.5–5.8 % for years 1–5; 5.3–5.7 %, 4.9–5.5 %, and 3.3–5.2 % for years 6–10, 11–15, and 16–20, respectively. The failure descriptions recorded for < 7 % failures were mostly caries (54 %) and broken or fractured tooth/restorations (23 %). The following variables significantly predicted PCR survival: number of surfaces that comprised the PCR; having at least one interproximal surface; tooth type; type of prior treatment received on the tooth; Network region; patient age and sex. Based on the magnitude of the multivariable estimates, no single factor predominated. ConclusionsThis study of Network practices geographically distributed across the US observed PCR survival rates and predictive factors comparable to studies done in academic settings and outside the US. Clinical significanceSpecific baseline factors significantly predict the survival of PCRs done in US community dental practices.

Recruitment strategies and retention rates for five National Dental PBRN studies.

We describe a retrospective assessment of practitioner and patient recruitment strategies, patient retention strategies, and rates for five clinical studies conducted in the National Dental Practice-Based Research Network between 2012 and 2019, and practitioner and patient characteristics associated with retention. Similar recruitment strategies were adopted in the studies. The characteristics of the practitioners and patients are described. The proportion of patients who either attended a follow-up (FU) assessment or completed an online assessment was calculated. For studies with multiple FU visits or questionnaire assessments, rates for completing each FU were calculated, as were the rates for completing any and for completing all FU assessments. The associations of practitioner and patient characteristics with all clinic FU visits, and with the completion of all assessments for a study were ascertained. Overall, 591 practitioners and 12,159 patients were included. FU rates by patients for any assessment varied from 91% to 96.5%, and rates for participating in all assessments ranged from 68% to 87%. The mean total number of patients each practitioner recruited was 21 (sd = 15); the mean number per study was 13 (sd = 7). For practitioners, practice type and patient enrollment were associated with greater clinic retention, while only race was associated with their patients completing post-visit online assessments. For patients, age was associated with clinic retention, while female gender, age, race, and education were all associated with greater completion of post-visit online assessments. The Network efficiently recruited practitioners and patients and achieved high patient retention rates for the five studies.

Practitioner/Practice- and Patient-Based Factors Contributing to Dental Practitioner Treatment Recommendations for Patients with Pain-Related TMDs: Findings from the National Dental PBRN.

To document National Dental Practice-Based Research Network (PBRN) practitioner treatment recommendations for patients with painful temporomandibular disorders (TMDs) and to identify practitioner/practice- and patient-related factors contributing to treatment recommendations made at the initial clinical visit. This prospective single-sample cohort study formed groups based on treatment recommendations made by 185 dental practitioners who treated 1,901 patients with painful TMDs. At the baseline visit, which this article describes, practitioners provided patients with their diagnoses and a treatment plan and then completed a comprehensive questionnaire. Self-care, an intraoral appliance, medication, and practitioner-recommended jaw exercises were the most frequently recommended treatments. Practitioners recommended multiple treatments to most patients. TMD signs, symptoms, and diagnoses were primary considerations in treatment planning, but the practitioner's expectations for improvement were only significant for intraoral appliances and self-care. Female practitioners and those with expertise in TMDs more frequently recommended patient-directed and multidisciplinary treatments compared to their counterparts. Practitioners used a wide range of treatments for patients with few consistent patterns. The propensity to use TMD signs, symptoms, and diagnoses when making treatment recommendations suggests a tendency to conceptualize patients using the biomedical model. Infrequent referral to nondental providers suggests a lack of availability of these providers, a misunderstanding of the complexity of TMDs, and/or discomfort with assessment of psychosocial factors. Implications include the need for comprehensive training in the assessment and management of TMD patients during dental school and participation in TMD continuing education courses following evidence-based guidelines.

Acceptance and Usability of an Innovative mDentistry eHygiene Model Amid the COVID-19 Pandemic Within the US National Dental Practice-Based Research Network: Mixed Methods Study.

Amid the COVID-19 pandemic and other possible future infectious disease pandemics, dentistry needs to consider modified dental examination regimens that render quality care and ensure the safety of patients and dental health care personnel (DHCP). This study aims to assess the acceptance and usability of an innovative mDentistry eHygiene model amid the COVID-19 pandemic. This pilot study used a 2-stage implementation design to assess 2 critical components of an innovative mDentistry eHygiene model: virtual hygiene examination (eHygiene) and patient self-taken intraoral images (SELFIE), within the National Dental Practice-Based Research Network. Mixed methods (quantitative and qualitative) were used to assess the acceptance and usability of the eHygiene model. A total of 85 patients and 18 DHCP participated in the study. Overall, the eHygiene model was well accepted by patients (System Usability Scale [SUS] score: mean 70.0, SD 23.7) and moderately accepted by dentists (SUS score: mean 51.3, SD 15.9) and hygienists (SUS score: mean 57.1, SD 23.8). Dentists and patients had good communication during the eHygiene examination, as assessed using the Dentist-Patient Communication scale. In the SELFIE session, patients completed tasks with minimum challenges and obtained diagnostic intraoral photos.Patients and DHCP suggested that although eHygiene has the potential to improve oral health care services, it should be used selectively depending on patients' conditions. The study results showed promise for the 2 components of the eHygiene model. eHygiene offers a complementary modality for oral health data collection and examination in dental offices, which would be particularly useful during an infectious disease outbreak. In addition, patients being able to capture critical oral health data in their home could facilitate dental treatment triage and oral health self-monitoring and potentially trigger oral health-promoting behaviors.

Characteristics of dentists in the National Dental Practice-Based Research Network

ObjectivesOur aims are to describe the characteristics of dentists, members of the US National Dental practice-based research network (PBRN) in the United States, and determine how often these dentists provide specific dental procedures. MethodsDentists completed a questionnaire when they enrolled in the Network about their demographic and training characteristics and characteristics of their practices and patients. Dentists also reported the frequency of providing specific dental procedures. Data were analyzed using descriptive statistics. ResultsOf 4,483 dentists in active clinical practice, 34% identified as females, 70% as white, and 73% as general dentists. Most dentists practiced in large metropolitan areas (87%) and in solo or small practices (72%). On average, they reported about one-half of their patients were children or older adults, a third were from historically underrepresented racial and ethnic groups, and one-quarter were covered by public insurance. Most dentists routinely performed restorations and fixed prosthetics (78%), extractions (59%), removable (44%) and implant (40%) prosthetics, and endodontics on incisor and premolar teeth (44%). ConclusionsDentists participating in the National Dental PBRN have much in common with dentists at large. The network has a broad representation of dentists, practice types, patient populations, and treatments offered, including diversity regarding race/ethnicity, gender, insurance, and geography of its practitioners and patients. Clinical significanceCharacteristics of National Dental PBRN dentists suggest that a broad range of dentists is interested in participating in national-level research studies, thereby enabling an array of clinical study settings and topics that can optimize the generalizability of study findings.

Knowledge and Misconceptions of Orthognathic Surgery: A Quick Poll Survey of the National Dental Practice-Based Research Network

Background: Orthognathic surgery is an underutilized resource in the treatment of congenital, developmental, and post-traumatic skeletal abnormalities in addition to obstructive sleep apnea. Despite the documented volume of patients who would benefit from orthognathic surgery, most fail to receive appropriate treatment. Purpose: The purpose of this study was to evaluate knowledge and attitudes within the dental community regarding orthognathic surgery via an anonymous electronic survey, and to explore whether misconceptions about orthognathic surgery represent potential barriers to care. Methods: This preliminary 5-question cross-sectional study was conducted via a “quick poll” distributed by the National Dental Practice-Based Research Network (PBRN). Results: The final sample size was 280 general dentists and dental specialists. The majority of respondents agreed that orthognathic surgery could correct malocclusions affecting a patient’s speech, function, and long-term dental health. However, few respondents agreed that orthognathic surgery is an evidence-based treatment for obstructive sleep apnea or positively affects upper airway size. Conclusions: Our survey demonstrates that while most dental providers consider orthognathic surgery as an effective treatment for the surgical correction of dentofacial deformities, many fail to recognize its potential role in the treatment algorithm for obstructive sleep apnea.

Dental practitioner approaches to bruxism: Preliminary findings from the national dental practice-based research network

ABSTRACT Objective Bruxism is a repetitive masticatory muscle activity. This study investigates dental practitioners’ approaches to bruxism assessment and treatment in practices. Methods A brief 5 question questionnaire (“Quick Poll”) on bruxism was conducted. Results A total of 397 practitioners responded. More than half (55%) initiated treatment for bruxism on one to three patients per month. The majority believed that stress (97%) and sleep patterns (82%) affected bruxism in their patients. Interestingly, 96% offered an occlusal guard/appliance and 46% made occlusal adjustments. Conclusion This study highlights inconsistencies in practitioner approaches to bruxism assessment and management in clinical settings, suggesting gaps in practitioner knowledge evidenced by the varied responses. Abbreviations PBRN - Practice-Based Research Network MMA - Masticatory muscle activity SB - Sleep bruxism AB - Awake bruxism TMJ - Temporomandibular joint OSA - Obstructive sleep apnea

Antibiotics for Dental Implant Surgery: Extracting Available Evidence, Risks, Benefits, and Insights to Consider.

Antibiotics for Dental Implant Surgery: Extracting Available Evidence, Risks, Benefits, and Insights to Consider.

Study protocol: understanding pain after dental procedures, an observational study within the National Dental PBRN.

Patient-reported outcome measures provide an essential perspective on the quality of health care provided. However, how data are collected, how providers value and make sense of the data, and, ultimately, use the data to create meaningful impact all influence the success of using patient-reported outcomes. The primary objective is to assess post-operative pain experiences by dental procedure type through 21 days post-procedure as reported by patients following dental procedures and assess patients' satisfaction with pain management following dental surgical procedures. Secondary objectives are to: 1) assess post-operative pain management strategies 1 week following dental surgical procedures, as recommended by practitioners and reported by patients, and 2) evaluate practitioner and patient acceptance of the FollowApp.Care post visit patient monitoring technology (FollowApp.Care). We will evaluate FollowApp.Care usage, perceived usefulness, ease of use, and impact on clinical workload. We describe the protocol for an observational study involving the use of the FollowApp.Care platform, an innovative mobile application that collects dental patients' assessments of their post-operative symptoms (e.g., pain). The study will be conducted in collaboration with the National Dental Practice-based Research Network, a collective Network of dental practices that include private and group practices, public health clinics, community health centers and Federal Qualified Health Centers, academic institutional settings, and special patient populations. We will recruit a minimum of 150 and up to 215 dental providers and up to 3147 patients who will receive push notifications through text messages FollowApp.Care on their mobile phones at designated time intervals following dental procedures. This innovative approach of implementing an existing and tested mobile health system technology into the real-world dental office setting will actively track pain and other complications following dental procedures. Through patients' use of their mobile phones, we expect to promptly and precisely identify specific pain levels and other issues after surgical dental procedures. The study's primary outcome will be the patients' reported pain experiences. Secondary outcomes include pain management strategies and medications implemented by the patient and provider and perceptions of usefulness and ease of use by patients and providers.

Dental Sleep Medicine among dental practitioners: Preliminary findings from the National Dental Practice-Based Research Network.

Dental sleep medicine (DSM) focuses on oral appliance therapy (OAT) to manage sleep-disordered breathing (SDB), including obstructive sleep apnea (OSA). This brief poll aimed to assess the interest and practices of dental practitioners in DSM. To this day lack of data exists regarding how DSM practices function in the clinical setting. Therefore, identifying knowledge gaps in DSM among dental practitioners may improve patient outcomes. A preliminary brief questionnaire ("Quick Poll") on DSM was conducted through the National Dental Practice-Based Research Network (Network) members (n=311). The poll contained five questions about DSM. Results showed that 66% of practitioners have involvement in DSM patient care. A total of 44% of practitioners who answered the Quick Poll do not screen for snoring or SDBs. About 40% of respondents are either interested in continuing education courses on the topic or had already taken multiple courses on DSM. The top three topics of DSM research of interest to practitioners were various DSM practice models, response to OAT, and compliance with OAT. Network dental practitioner respondents face challenges regarding the treatment of SDBs. Despite these challenges, most practitioners are interested in engaging in DSM. Based on these preliminary findings, there are informational needs regarding the current state of clinical care, side effects of OAT, choice of OAT, titration protocols, and patient outcomes.

Deep caries removal strategies: Findings from The National Dental Practice-Based Research Network

BackgroundThe International Caries Consensus Collaboration (ICCC) has published recommendations on carious tissue removal to treat cavitated carious lesions in a manner that preserves hard tissue and retains teeth long term. This study quantifies The National Dental Practice-Based Research Network dentists’ use of selective caries removal. MethodsThis cross-sectional questionnaire study assessed reported use of selective caries removal when treating deep caries in asymptomatic and symptomatic teeth in response to clinical case scenarios. Statistical methods included the proportion of respondents concordant with ICCC guidelines at various thresholds and logistic regression to model factors associated with concordance. ResultsA total of 500 dentists responded. The study sample was 57% male, mean (SD) age was 50.9 (12.6) years, and 60% worked in private practice settings. Higher levels of concordance for choosing selective caries removal 50% or greater of the time were found for asymptomatic (62.4%; 95% CI, 57.6 to 67.2) than for symptomatic caries (49.3%; 95% CI, 44.4 to 54.2). These differences were significantly associated with type of practice setting. ConclusionsThe National Dental Practice-Based Research Network dentists reported using selective caries removal strategies when managing deep carious lesions more often than in previous US and Japanese practice-based research network studies and from results of a systematic review and meta-analysis. Nonetheless, substantive discordance with the ICCC guidelines was seen by the authors of this study. Practical ImplicationsMore dissemination and continuing education activities, as well as implementation studies, may further encourage use of selective caries removal to soft or firm dentin when indicated.

The Pragmatic Return to Effective Dental Infection Control Through Triage and Testing (PREDICT) Study: Protocol for a Prospective Clinical Study in the National Dental Practice-Based Research Network.

BackgroundDental practice has been greatly affected by the COVID-19 pandemic. As SARS-CoV-2 infection is transmitted by respiratory fluids, dental practice techniques, which include aerosol-generating procedures, can increase the risk of transmission causing heightened safety concerns for both dental health care workers (DHCWs) and patients. These concerns have resulted in the reduction in patient volume and the available workforce within dental practices across the United States. Standardized methods for COVID-19 triage and testing may lead to increased safety and perceptions of safety for DHCWs and their patients and promote willingness to provide and access oral health care services.ObjectiveThis study is designed to develop procedures that test the feasibility of enhanced COVID-19 triage and testing in dental offices. It will provide preliminary data to support a larger network-wide study grant application aimed at developing protocols to address safety concerns of patients and DHCWs in a peri–COVID-19 pandemic era.MethodsThe feasibility study is being conducted in 4 private dental practices, each of which has a dentist member of the National Dental Practice–Based Research Network. Participants include the DHCWs and patients of the dental practice. Study procedures include completion of COVID-19 triage, completion of COVID-19 testing (point-of-care [POC] or laboratory-based [LAB] SARS-CoV-2 viral, antigen, and antibody tests based on office designation), and administration of perception and attitude surveys for participating DCHWs and patients of the dental practice over a defined study period. The office designation and the participant’s role in the practice determines which testing protocol is executed within the office. There are 4 study groups following 4 distinct protocols: (1) POC DHCWs, (2) POC patients, (3) LAB DHCWs, and (4) LAB patients.ResultsData collection began in December of 2021 and concluded in March 2022. Study results are expected to be published in fall 2022.ConclusionsThe results of this feasibility study will help identify the viability and functionality of COVID-19 triage and testing in dental practices and inform a larger network-wide study grant application that develops protocols that address safety concerns of patients and DHCWs in a COVID-19 environment.Trial RegistrationClinicalTrials.gov NTC05123742; https://clinicaltrials.gov/ct2/show/NCT05123742?term=NCT05123742International Registered Report Identifier (IRRID)DERR1-10.2196/38386

Patients' comfort with and receipt of health risk assessments during routine dental visits: Results from the South Atlantic region of the US National Dental Practice-Based Research Network.

To understand patients' comfort with health risk assessments (HRAs) and patient and dentist factors associated with the provision of HRAs. In this cross-sectional study, 857 patients seen by 30 dental practitioners in the United States National Dental Practice-Based Research Network reported their comfort receiving HRA for six risk factors (tobacco use, alcohol use, dietary sugar intake, human immunodeficiency virus risks, human papillomavirus risks and existing medical conditions) and whether they discussed any of the risk factors during their visits. Multi-level logistic models were used to examine the impacts of patient, practitioner, practice characteristics on the (1) number of risk factors patients were comfortable discussing and (2) number of risk factors assessed in the current dental visit. Only a small percentage (4%) of patients reported being uncomfortable receiving any HRA during their dental visits. However, over half of the patients (53%) reported that they did not receive any HRAs during the current visit. In the regression analyses, patients who were older, male and from the suburban were more likely to be comfortable with more HRAs. Dentists were more likely to provide HRA if they were younger, not non-Hispanic white, less likely to feel that providing HRAs was beyond their scope of practice, yet more likely to feel occasional discomfort in providing HRA. Interventions should focus on reducing dental practitioner perception that conducting HRAs is beyond their scope of practice and standardizing screening assessments for multiple risk factors.

Barriers to and facilitators of opioid prescribing by dentists in the United States: A qualitative study

BackgroundDentists in the United States frequently prescribe opioids for dental-related pain, although evidence shows superior efficacy of nonopioids for pain management. A national sample of US dentists was interviewed to understand the barriers and facilitators to opioid prescribing. MethodsSemistructured one-on-one telephone interviews were conducted with dentists sampled from the 6 regions of The National Dental Practice-Based Research Network. Responses were coded into the domains of the Capability, Opportunity and Motivation Model of Behavior. Potential behavior change interventions were identified for targeted themes. ResultsSeventy-three interviews were qualitatively analyzed. Most of those interviewed were general dentists (86.3%) and on average (SD) were in practice for 24.3 (13.0) years. Ten themes were identified within the Capability, Opportunity and Motivation Model of Behavior. Dentists’ knowledge of opioid risk, ability to identify substance use disorder behavior, and capability of communicating pain management plans to patients or following clinic policies or state and federal regulations were linked with judicious opioid prescribing. Dentists reported prescribing opioids if they determined clinical necessity or feared negative consequences for refusing to prescribe opioids. ConclusionsDentists’ opioid decision making is influenced by a range of real-world practice experiences and patient and clinic factors. Education and training that target dentists’ knowledge gaps and changes in dentists’ practice environment can encourage effective communication of pain management strategies with patients and prescribing of nonopioids as first-line analgesics while conserving opioid use. Practical ImplicationsIdentified knowledge gaps in dentistry can be targets for education, clinical guidelines, and policy interventions to ensure safe and appropriate prescribing of opioids.

Dental providers' perceptions of the feasibility and acceptability of implementing vaccine administration programs in dental settings: A qualitative study.

Involving dental offices in routine vaccinations could have a positive impact on public health. In this study, we assessed dental providers' attitudes and perceptions regarding implementing vaccination in dental settings. We performed semi-structured interviews with 31 dental providers (25 dentists and 6 dental hygienists) enrolled in the Western region of the National Dental Practice-Based Research Network as of June 28, 2021. Interviews were recorded and transcribed. We analyzed transcripts using deductive and inductive coding approaches. We identified three main themes that captured the perceptions of dental practitioners regarding the feasibility of implementing vaccine administration in a dental setting: (1) dental practitioners perceive contributing to the public health mission of disease prevention as having high value, (2) dental practitioners face considerable complexity when deciding whether to implement vaccine administration, and (3) dental practitioners do not understand current laws and associated reimbursement models related to vaccine administration. To make vaccination commonplace in dental practices, legal changes to allow dental practitioners to administer vaccines should be followed by concrete guidance and relevant trainings to help interested dental practitioners successfully implement vaccination programs in their clinical settings.

Root Canal Treatment Survival Analysis in National Dental PBRN Practices

Few studies have examined the longevity of endodontically treated teeth in nonacademic clinical settings where most of the population receives its care. This study aimed to quantify the longevity of teeth treated endodontically in general dentistry practices and test the hypothesis that longevity significantly differed by the patient’s age, gender, dental insurance, geographic region, and placement of a crown and/or other restoration soon after root canal treatment (RCT). This retrospective study used deidentified data of patients who underwent RCT of permanent teeth through October 2015 in 99 general dentistry practices in the National Dental Practice-Based Research Network (Network). The data set included 46,702 patients and 71,283 RCT permanent teeth. The Kaplan–Meier (product limit) estimator was performed to estimate survival rate after the first RCT performed on a specific tooth. The Cox proportional hazards model was done to account for patient- and tooth-specific covariates. The overall median survival time was 11.1 y; 26% of RCT teeth survived beyond 20 y. Tooth type, presence of dental insurance any time during dental care, placement of crown and/or receiving a filling soon after RCT, and Network region were significant predictors of survival time (P < 0.0001). Gender and age were not statistically significant predictors in univariable analysis, but in multivariable analyses, gender was significant after accounting for other variables. This study of Network practices geographically distributed across the United States observed shorter longevity of endodontically treated permanent teeth than in previous community-based studies. Also, having a crown placed following an RCT was associated with 5.3 y longer median survival time. Teeth that received a filling soon after the RCT before the crown was placed had a median survival time of 20.1 y compared to RCT teeth with only a crown (11.4 y), only a filling (11.2 y), or no filling and no crown (6.5 y).

Factors that affect dentists’ use of antibiotic prophylaxis: Findings from The National Dental Practice-Based Research Network questionnaire

BackgroundLittle is known about factors that influence dentists’ decision making concerning antibiotic prophylaxis (AP) prescribing. The objective of this study was to determine factors that influence dentists’ AP prescribing habits in patients at risk of developing infective endocarditis and prosthetic joint infections. MethodsA questionnaire was administered to 3,584 dentist members of The National Dental Practice-Based Research Network. In addition to descriptive statistics, ordinal regression models were used to determine the factors most likely to impact dentists’ decisions to prescribe AP. ResultsOverall, 2,169 (61%) dentists in The National Dental Practice-Based Resesarch Network responded. Responders’ decisions to prescribe antibiotics were influenced primarily by official guidelines, scientific literature, and physician or medical specialist opinion. Regarding potential risks, the greatest level of concern was for the development of infective endocarditis or prosthetic joint infections. Although litigation was deemed problematic, more than 90% of responders indicated a strong concern for the best course of action for the patient’s health. Dentists also indicated a high level of concern about the potential for generating antibiotic-resistant bacteria with AP use and increased risk of adverse drug reactions. ConclusionsDentists’ AP decision making seems most influenced by official guidelines, scientific literature, and advice from a physician or medical specialist. Practical ImplicationsThese results suggest that one of the most effective means for promoting concordance of dentists clinical practice with the scientific basis for AP is to emphasize the importance and clarity of American Heart Association and American Dental Association recommendations and antimicrobial stewardship regarding prevention of infective endocarditis and prosthetic joint infections.

Onset and resolution of pain among treated and untreated posterior teeth with a visible crack: Three-year findings from the national dental practice-based research network

ObjectiveCracked teeth may be associated with pain, especially biting pain, and to a lesser degree cold and spontaneous pain. Described are how commonly these pains remain constant, develop, or resolve over time, none of which have been well-described, especially among untreated cracked teeth. MethodsCracked teeth from the Cracked Tooth Registry (CTR) study were followed for 3 years. Assessments of cold, biting, and spontaneous pain and treatments performed were completed at enrollment (Y0) and at each annual recall visit. Results209 practitioners enrolled 2,858 patients, each with a visible crack on a posterior tooth; 2601 (91%) patients attended at least one recall visit. Overall, 960 (37%) were treated, primarily with crowns. Among both treated and untreated cracked teeth with biting pain or spontaneous pain at Y0, the vast majority (92–99%) had their pain resolved by the time of a recall visit and 85–93% remained pain-free after initial resolution. The observations for cold pain were similar: 68% (untreated) and 78% (treated) became free of cold pain at some point during follow-up, and 84% of these stayed free of cold pain after initial resolution. Few teeth developed biting or spontaneous pain (4–8%) and 44–67% of these had pain resolution during the follow-up period. ConclusionIn this study, treatment resolved a preponderance of pain associated with a cracked tooth. Pain was also resolved for most untreated cracked teeth, especially biting pain, and to a lesser degree spontaneous and cold pain, although not to the same degree as with the treated cracked teeth.