Acrylic Denture Research Articles

A study of role of flexible dentures in prosthodontics, partial edentulism, smile and esthetics

Replacing missing teeth is vital and mandatory for various daily functions of mouth. Conventional acrylic dentures have been used but now flexible dentures are the latest trends. This study is done to evaluate knowledge and awareness of flexible dentures in dental professionals. A questionnaire method was used to evaluate dental professionals' knowledge and awareness of flexible dentures in patients. Few dentists showed positive response and major were not aware of it. Few knew of advantages, disadvantages, uses and materials. More research should be done in this field so as to utilize this recent option at the maximum for benefit of patients clinically.

HUBUNGAN KUALITAS PELAYANAN DOKTER GIGI MUDA DALAM PERAWATAN GIGI TIRUAN LENGKAP AKRILIK TERHADAP KEPUASAN PASIEN

Background: Dentures are dental prostheses that are used to replace lost teeth and tissues. Patients who believe that denture care services are frequently visited throughout treatment are the most likely to seek dental care. Objective: Analyzing the association between young dentists' service quality in the treatment of acrylic complete dentures and patient satisfaction at the Gusti Hasan Aman Oral Dental Hospital. Method: The study used an observational-analytic method with a cross-sectional research design and a simple random sampling technique. A sample of 38 people was obtained using a research instrument, namely a questionnaire. Results: According to the study's findings, the majority of complete denture users at the Gusti Hasan Aman Oral Dental Hospital were between the ages of 55 and 64 (55-64%). According to the gender of the study's findings, the majority of complete denture users at the Gusti Hasan Aman General Hospital (60.52%) were women. According to the study's findings based on education level, the majority of complete denture users at the Gusti Hasan Aman General Hospital were elementary school educated (50%). According to the findings of the study on the service quality of young dentists, the majority of patients (98.4%) believed they received satisfactory service. Patients were satisfied with the treatment (84.2%), according to the results based on patient satisfaction. The findings of the Somer's d test were 0.000. Conclusion: The service quality of RSGM is generally extremely good, and acrylic complete denture patients who are treated are highly delighted.Keywords: Dentures, Patient Satisfaction, Service Quality

Water sorption and Solubility of Modified Heat Cured Acrylic Denture Base Material with Silver and Zirconia Nanoparticles

Water sorption and Solubility of Modified Heat Cured Acrylic Denture Base Material with Silver and Zirconia Nanoparticles

Influence of Nanodiamond Incorporation on The Impact Strength of Repaired Denture Base acrylic resin: An in Vitro Study

Aim. This research aims to evaluate the effects of integrating Nanodiamond on the impact strength of repaired denture base resin. Methodology. Sixty acrylic resin specimens, sized 50×6×4 mm³ with a v-notch, were created from heat-polymerized acrylic resin. Ten specimens were kept intact while the other 50 specimens were sectioned to half and prepared with 45º beveling and a 2.5mm-repair gap. Nanodiamond particles were added to autopolymerized repair resin and repaired specimens were placed in five categories (n=10) according to Nanodiamond concentrations, unmodified as a control, 0.25%, 0.5%, 0.75%, and 1%ND by weight. Each specimen half was repositioned in a metal jig, and the repair resin was applied to the repair area. Subsequently, all specimens underwent finishing, polishing, and immersion in distilled water before Charpy's impact testing. Data analysis employed Tukey's post hoc test (with significance α=0.05) and one-way ANOVA. Results. Results showed that in comparison with the control group, the impact strength of repaired denture base resin significantly increased with 0.25% and 0.5% Nanodiamond addition to repair resin (significance at P ˂0.001). While it insignificantly decreased with 0.75% and 1% Nanodiamond (P=0.108 and P=0.615) and 1% presented the lowest value of impact strength (3.48 ± 0.43 KJ/m2). Conclusion. Adding a small amount of Nanodiamond to autopolymerized repair resin demonstrated an increase in the impact strength of repaired acrylic denture base resin. The highest impact strength was recorded with 0.25%ND (6.24±0.55 KJ/m2), followed by 0.5%ND (5.93±0.21 KJ/m2), whereas 1%ND exhibited the lowest impact strength value (3.48±0.43 KJ/m2).

Effect of the Incorporation of Compounds into Digitally Manufactured Dental Materials—A Systematic Review

The aim of this review was to evaluate if the properties of digitally produced dental acrylic resins improved when reinforced with compounds. A literature search was conducted in PubMed, Web of Science, and Scopus databases for the past 10 years. Combinations of keywords were chosen to reflect the PICO question: Do digitally produced dental acrylic resins loaded with compounds have better mechanical, surface and/or biological properties than resins without compounds? The selection was carried out by two independent researchers according to the PRISMA flowchart and specific eligibility criteria. Results: The 19 in vitro studies included dealt with incorporated compounds such as zirconium dioxide nanoparticles, graphene nanoplatelets, and zwitterionic compounds. It was found that some compounds had a negative impact on the mechanical and surface properties, while others showed improvements. Most of the loaded resins had more effective antimicrobial activity compared to the controls. There were also differences in biocompatibility depending on the type of compound incorporated. The compounds affect the mechanical and surface properties of loaded acrylic resins, depending on the type and concentration of the compound. In the case of antimicrobial activity and biocompatibility, the results depended on other factors than the chemical composition of the compound included in the resin.

Overview of clinical and laboratory evaluation results of the effectiveness of digital methods for knowledge-based fabrication of complete removable acrylic dentures

This article provides an overview of the conceptual studies of modern digital technologies for the fabrication of complete removable acrylic dentures. Analysis of data of subtractive and additive methods of digital manufacturing shows the advantages of digital CAD/CAM methods over traditional methods. The use of known prepolymerized acrylic blocks in the subtractive milling method has enabled achieving high physical and mechanical properties, optimal spatial accuracy, and minimal thickness of the fabricated dentures. Moreover, residual monomer volume reduction in solid polymer blocks has allowed the high biological inertness and safety of the fabricated structures for prosthetic bed tissues and the patient’s body. Layer-by-layer printing of removable dentures by fused polymer deposition modeling technology results in high spatial accuracy of constructing structures of any degree of complexity and reduced total production time of removable dentures.
 Despite the intensity of implementation of digital CAD/CAM technologies in the practice of complete removable denture manufacturing, the search for alternative methods of modernization of the known traditional means and methods continues. However, we believe that automation and digitalization of the clinical and laboratory manufacturing of complete removable acrylic dentures has clear prospects for the total replacement of compression pressing and hot polymerization techniques of acrylates. In summary, the potential prospect in the future is a global reassessment of traditional concepts for the fabrication of complete removable dentures, considering the formation of an innovative digital CAD/CAM philosophy and the introduction of computer intelligent systems.

Evaluation of different taste sensations along with body mass index (BMI) in geriatric patients with and without complete dentures.

The purpose of this study was to investigate the effect of acrylic full removable dentures on the perception of four primary tastes (sweet, sour, salty, and bitter), as well as to determine if there is a correlation between changes in body mass index (BMI) and taste perception. A total of 60 patients who wore acrylic removable dentures and 60 controls were included in the study as a convenient sample. Sixteen solutions for basic tastes were prepared, and the patients were asked to identify the taste of each solution from the lowest concentration. Anthropometric measures, such as height and weight, were measured and recorded in an MS-Excel sheet. The data were analyzed using SPSS version 23. The results showed that patients with complete removable dentures had lower taste scores for sourness (P < 0.001) and sweetness (P < 0.001) compared to the control group. However, there was no significant difference in salt taste scores (P = 0.218) and bitterness (P = 0.002) between the two groups. Additionally, the study found a correlation between lower BMI values and higher taste scores among denture-wearing patients, indicating an inverse relationship between total taste scores and BMI. The study suggests that geriatric patients with complete dentures have reduced taste sensations compared to those without dentures which can have a negative impact on their nutritional status. Therefore, it is crucial to provide adequate nutritional support and dietary counseling for geriatric patients based on health policy to maintain their overall health and well-being.

Assessing the effect of Artemisia sieberi extracts on surface roughness and candida growth of digitally processed denture acrylic materials.

Denture stomatitis, frequently encountered, is generally addressed symptomatically, with limited exploration of preventive approaches involving antifungal medicinal plants. This study assessed the impact of Artemisia sieberi extracts on the candida growth of conventional and digitally processed acrylic materials. Thirty acrylic resin discs (3 mm thickness × 10 mm diameter) were prepared by conventional or CAD/CAM technology (milling and 3D printing). The resin discs were exposed to simulated brushing, thermocycling, and immersion in Artemisia sieberi extract for 8 hours. The surface roughness of the discs was assessed at baseline and after immersion in Artemisia sieberi extract. Candida growth was quantified through colony-forming units (CFU/mL). Data was analyzed using SPSS v.22 (α⩽ 0.05). Irrespective of the material type, the post-immersion surface roughness was significantly higher compared to pre-immersion values (p< 0.05). Candida growth was significantly higher in conventional acrylic materials than digitally fabricated acrylics (p< 0.05). At × 3, Ra and CFU were found to be moderately positive and non-significantly correlated (R= 0.664, p= 0.149). At × 4, Ra and CFU were found to be weak positive and non-significantly correlated (R= 0.344, p= 0.503). Artemisia sieberi extracts had a notable impact on digitally fabricated denture acrylics, reducing candida albicans growth compared to conventional heat-cured acrylic. This suggests a potential role for these extracts in improving denture hygiene and preventing denture stomatitis, particularly in the context of digitally fabricated dentures.

Mean Satisfaction Scores in Patients Wearing Removable Dental Prosthesis According to Oral Health Index Profile-14

Removable dental prosthetics, also known dentures, are used to restore function, appearance, and phonation after tooth loss. However, the majority of people who wear dentures are not satisfied with them. Objective: To assess the mean fulfillment score of patients utilizing removable denture prosthesis as per oral health index record profile-14 (OHIP-14). Methods: A cross-sectional descriptive study was conducted at the Department of Prosthodontics, Bacha Khan Medical College, Mardan from 5th November 2020 to 25th May 2021. A total of 272 participants of both gender with ages between 20 to 70 years, wearing acrylic removable partial denture in or the two arches for something like one year, and had no indications of pathology in leftover teeth were enrolled in this study. OHIP-14 examiner was utilized to gauge the factors of fulfillment with removable dental prosthesis. OHIP-14 scores were stratified among age groups and gender to see effect modifiers. The data were analyzed using SPSS 26.0. Results: The mean age of the participants in the study was. 53.28±10.997 years. The mean OHIP-score was 23.63±7.095. The mean OHIP-score in males was 23.34±6.641 and in females was 23.91±7.523. The difference in OHIP-14 score was not statistically significant (p=0.51). The highest mean OHIP-14 score was present in age group 20-30 years (25.20±5.673) followed by age group 61-70 years (24.27±7.290). The lowest OHIP-14 score was in age group 22.57±6.448 years. Conclusions: The average OHIP-14 score is lower, which further indicates reduced satisfaction with removable partial dentures. Age and gender had little impact on how satisfied people were with removable partial dentures.

Gadolinium oxide Nanoparticles Infusion in Heat-Cured Acrylic Denture Base Material: Impact on Glass Transition Temperature and Mechanical Strength Enhancement

Introduction: Nano dentistry has paved the way for advanced therapeutic opportunities in various dental disciplines, particularly in the improvement of oral health. One area of focus is the enhancement of mechanical properties of dental materials, such as acrylic resins commonly used in denture base materials. Various strategies, including chemical corrections and the addition of particles, have been explored to augment the mechanical qualities. This study investigates the impact of incorporating Gadolinium oxide nanoparticles into heat-cured acrylic denture materials. Materials and Methods: The denture base was processed using a standardized approach, with the addition of Gadolinium oxide nanoparticles during the monomer phase. A total of 120 specimens were fabricated. 30 specimens for each test using 10 specimens for each nanoparticle concentration (Control 0%, 1%, and 1,5% nanoparticles). The nanoparticles were dispersed using sonication to ensure uniform distribution. The study assessed properties such as glass transition temperature using a differential scanning calorimeter, impact strength and transverse strength utilizing an Instron universal testing machine, and surface roughness via profilometer measurements. Scanning electron microscope also utilized. One way ANOVA was used to determine the mean differences. Results: The study revealed significant improvements in glass transition temperature, impact strength, and transverse strength. The peak values were often seen in the 1.5% wt. group. Surface roughness, however, showed non-significant changes with nanoparticle additions, possibly due to the minimal involvement of nanoparticles on the outer surface. Conclusion: Incorporating Gadolinium oxide nanoparticles into heat-cured acrylic denture base materials demonstrated notable enhancements in key mechanical properties. The findings suggest that nanoparticle additions contribute to increased strength and rigidity, as evidenced by improvements in impact and transverse strength. However, surface roughness remained largely unaffected. This study contributes valuable insights into the potential benefits of nanotechnology in optimizing dental materials for improved clinical performance and patient outcomes.

A Temporary Acrylic Soft Denture Lining Material Enriched with Silver-Releasing Filler-Cytotoxicity, Mechanical and Antifungal Properties.

Colonization of temporary denture soft linings and underlying tissues by yeast-like fungi is an important clinical problem due to the negative influence on the process of prosthetic treatment. Typical hygienic procedures are often insufficient to prevent fungal infections, so in this study, an antimicrobial filler (silver sodium hydrogen zirconium phosphate) was introduced into acrylic soft liner at concentrations of 1, 2, 4, 6, 8 and 10% (w/w). The effect of this modification on antifungal properties against Candida albicans, cytotoxicity, Shore A hardness, tensile strength and tensile bond strength, sorption and solubility was investigated, considering the recommended 30-day period of temporary soft lining use. The most favorable compilation of properties was obtained at a 1 to 6% filler content, for which nearly a total reduction in Candida albicans was registered even after 30 days of sample storing. The tensile and bond strength of these composites was at the desired and stable level and did not differ from the results for the control material. Hardness increased with the increasing concentration in filler but were within the range typical for soft lining materials and their changes during the experiment were similar to the control material. The materials were not cytotoxic and sorption and solubility levels were stable.

Clinical Evaluation of Impact of Acrylic Partial Dentures on the periodontal conditions of abutments

Aim: To evaluate the impact of wearing removable partial dentures on the periodontal health of abutments and find outtheage and gender association. Study design: Descriptive case series. Place and duration: Prosthodontic department of Lahore Medical and Dental College Lahore, from15th January till 15thJuly 2023. Methodology: A total of 70 patients of both genders participated in the study. Removable dentures were delivered to the patients and they were recalled after one month of denture insertion to evaluate the abutment health, gingival recession was checked in terms of its presence or absence, plaque and gingival health index assessment were done using Loe and Silness index. Tooth mobility was checked by using Millar’s classification. Mean and SD was computed for quantitative data. Age and gender correlation was assessed using Pearson Chi -square test. Significant level was set to p&lt;0.05. Results: A total 41.4%males and 58.6% females were selected. A total of 68.6% maxillary partial dentures whereas 31.4% mandibular partial dentures were inserted. Gingival health index showed maximum patients with good health 57.1%. Dental plaque index of maximum patients 77.1% fell under zero score. Tooth mobility score of zero was frequently found in abutments 78.6%. Gingival recession around the abutments after one month of denture insertion was found in 15.7%whereas 84.3% abutments remained healthy. Association of Gingival index, plaque index, tooth mobility and gingival recession with gender did not show statistical significance however with respect to age significant results were obtained. Tooth mobility had no association with age. Conclusion: Removable partial dentures use does not disturb the periodontal health of abutments if well fabricated dentures are provided and good oral hygiene maintenance protocolsare followed. Patients’ education regarding denture use along with regular recall visits are of utmost importance. Keywords: Abutment, Acrylic dentures, dental plaque, Removable partial dentures, Periodontal health, periodontal diseases.

Effect of Tea Tree Oil Addition to Denture Liners Against Candida albicans and Bond Strength to Acrylic Denture Bases.

To evaluate the effect of adding tea tree oil to denture liners on Candida albicans and bond strength to the acrylic denture base. Disc-shaped specimens were fabricated from silicone-based resilient liner (Tokuyama, Molloplast), acrylic-based hard liner (GC Reline), and acrylic-based soft liner (Visco-gel). Tea tree oil (TTO) was incorporated into the liners at varying concentrations (0% [control], 2%, 5%, 8%). C albicans were counted by viable colony count, and optical density (OD) was measured with a spectrophotometer. The tensile strength to heat polymerized acrylic denture base was measured in a universal testing machine. The compliance of the data to the distribution of normality was evaluated using the Shapiro Wilk test. Two-way ANOVA, Bonferroni correction, and paired sample t test were performed (α = .05). The addition of TTO into liners provided a significant decrease in the OD values (P < .001). The control groups of the liners presented the highest colony counts, whereas increasing TTO decreased the results (P < .01). According to tensile bond strength test, 8% TTO addition resulted in a significant decrease for Tokuyama (P < .01) and Molloplast liners (P < .05), while 2% TTO resulted in significance for GC Reline (P < .001). Denture liners containing increasing percentages of TTO presented lower amounts of C albicans colonies and decreased bond strength to the denture bases. When using TTO for its antifungal properties, the amount added should be carefully selected because the tensile bond strength may be affected.

Physico-chemical and Mechanical Assessments of a New 3D Printed PMMA-Based Acrylic Denture Base Material

Background Three-dimensional (3D) printing is progressively being applied in the dental arena due to its time-saving potential and low cost, especially for the digital preparation of acrylic resin denture bases in the treatment of edentulism. Objective This study investigated the flexural strength, surface properties, water sorption, and solubility of a new poly (methyl methacrylate) (PMMA) resin denture base fabricated with a 3D printer (test group) and compared it with a conventional heat-cured resin (control group). Materials and Methods Sixty cuboid wax samples were prepared from two groups, with a thickness of 4 mm and dimensions of 10×80 mm. Then, half of the samples in each group were thermocycled to determine the strength, surface properties, water sorption, and solubility of the samples. Two-way ANOVA and independent t-test were used at a significance level of 0.05 after the normality of data in groups was tested with the Kolmogorov-Smirnov. Results Based on the obtained results, the flexural strength was higher in heat-cured resins than in the resin fabricated with the 3D printer. However, the flexural strength values in both resins were clinically acceptable (65 MPa) based on ISO standards. There was no significant difference in the mean flexural strength in the presence or absence of thermal stress for both groups. The layered structure was observed in the samples fabricated with two groups. However, the layering structure disappeared in all cases after polishing. The layering structure had no differences in the presence or absence of thermal stress. Mass change over time was observed for all groups. In the water sorption phase, the mass increased rapidly in the first 7 days, and then the increase rate decreased until it reached an equilibrium on day 21. In the desorption phase, the mass decreased steadily in the first 7 days, and then reduction was continued until equilibrium was obtained on day 21 of the dewatering process. Conclusion The 3D printer samples had greater water sorption, and no differences were found between the solubility of 3D printer samples and heat-cured samples. Heat-cured resin exhibited enhanced water sorption after thermal cycling, and 3D-printed materials displayed no significant change.

Evaluation of flexural strength, impact strength, and surface microhardness of self-cured acrylic resin reinforced with silver-doped carbon nanotubes

BackgroundPoly-methyl methacrylate (PMMA) is a type of polymer mostly used to make denture bases. Self-cured acrylic resin (PMMA) can be used to repair a fractured acrylic denture base; however, even after repair, this area remains vulnerable. Carbon nanotubes (CNTs) could be used as a filler for polymer reinforcement. Furthermore, silver nanoparticles are efficient agents for the prevention of dental biofilm and improving their mechanical properties. The doping of CNTs with silver nanoparticles may lead to a synergistic interaction that is predicted to enhance the mechanical characteristics of the fillers.ObjectivesThe aim of the study was to assess the influnce of manual incorporation of 0.5% weight percent (%wt.) of silver doped carbon nanotubes (Ag-doped CNTs) into commercial self-cured PMMA on its flexural strength, impact strength, and surface microhardness.MethodsIn this investigation, a total of 60 specimens comprised of acrylic resin were employed. They are divided into two main groups: (a) the control group, which was made by using liquid monomer and commercial self-cured PMMA powder; and (b) the modified group, prepared by hand mixing the purchased silver-doped CNTs powder (0.5% wt.) to self-cured PMMA powder (99.5%wt.), and then the blended powder was incorporated into the liquid monomer. Flexural strength, flexural modulus, impact strength, and surface microhardness were evaluated. Independent sample t-tests were used to statistically analyze the data and compare the mean values of flexural strength, flexural modulus, impact strength, and surface microhardness (p-value ≤ 0.05).ResultsThe flexural strength of the modified groups with Ag-doped CNTs (132.4 MPa) was significantly greater than that of the unmodified (control) groups (63.2 MPa). Moreover, the flexural modulus of the modified groups with Ag-doped CNTs (3.067 GPa) was significantly greater than that of the control groups (1.47 GPa). Furthermore, the impact strength of the modified groups with Ag-doped CNTs (11.2 kJ/mm2) was significantly greater than that of the control groups (2.3 kJ/mm2). Furthermore, the microhardness of the modified groups with Ag-doped CNTs (29.7 VHN) was significantly greater than that of the control groups (16.4 VHN), (p-value = 0.0001).ConclusionThe incorporation of 0.5% wt. silver doped CNTs fillers to the self-cured acrylic resin enhanced its flexural strength, flexural modulus, impact strength, and surface microhardness.

The Effect of some Natural Products as a Denture Cleansers on some Physical Properties of Acrylic Denture Base Material

The study aims to evaluate the effect of some commercially available natural products (soda+ vinegar, soda +thymol , saturated salt solution) in relation to the commercial denture cleansers (Protifex) ,on surface roughness and hardness dimensional accuracy of acrylic denture base materials. one hundred samples were prepared from heat activated acrylic resin denture base material, they are (1cm*1cm*2mm length, width and thickness respectively). After that, half of the samples for each group were immersed for ½ hr per day in the denture cleanser, the other half of the samples immersed for 8 hr per day in the denture cleanser through one month. The denture cleansers used are three solutions prepared freshly everyday for immersion of the samples. The surface roughness of the samples were tested by using Stylus profilometer(Talysurf 10, England), while the hardness of the samples were tested by using Rockwell hardness tester (Wolpert, Germany), the mean is taken for each group and evaluated by using one way analysis of variance test, Dunnet T-test to compare the groups. The results demonstrated that there were no significant differences in the surface roughness and hardness, but with significant difference between treats of length of acrylic resin denture base material and duration of immersion at (P=0.05). All the prepared natural solutions would be accepted in relation to effect on surface roughness , dimensional accuracy, and hardness of acrylic denture base material.

Comparing the Effects of Denture Base Materials on Hygiene of Mucosal Denture Bearing Area

This study attempted to evaluate the effects of using partial denture on the oral mucous membrane of the denture bearing area between 48 patients attended the private clinic seeking RPD treatment , two types of denture material were used (Hard or heat cured acrylic partial denture and flexible(Nylon) partial denture) .Flexible dentures exhibited viscoelastic behaviour that lead to improvement in masticatory function and patients comfort compared with hard dentures .Flexible dentures showed little effects on the mucosa of denture bearing area and little changes on the mucosa, but there were high influences on the soft tissues properties with using hard acrylic denture type . Denture hygiene found mainly fair in both hard and flexible(nylon) denture base materials.

Evaluation and comparison of patient satisfaction with VertexThermosens and conventional acrylic complete dentures.

Patient perception and satisfaction with dentures are important indicators in prosthodontic treatment. This study aimed to compare patients' satisfaction with VertexThermosens dentures versus conventional acrylic dentures during a 12-month study period. This randomized study involved 60 participants aged between 45 and 80 with representation of both sexes. The patients were divided intotwo groups: The first group (experimental group), which had complete dentures from VertexThermosens base material included 30 participants. The second group (control group), which had complete dentures from convectional rigid acrylic base material, included 30 participants. Patient satisfaction with the dentures was assessed in each of the two Vertex/Acrylic groups through a specially created questionnaire of five questions with a five-point Likert scale of possible answers (0 = never; 1 = rarely; 2 = occasionally; 3 = often; and 4 = very often). After 12 months, intergroup comparison with Mann-Whitney U Test related to Q2 (p = 0.193), Q3 (p = 0.960), Q4 (p = 0.317), Q5 (p = 1.000) patient satisfactions indicated that there was no significant difference between the two groups (Vertex/Acrylic), except Q1 (p = 0.010) question, Vertex group was more satisfied. The results regarding the patients of both groups (Vertex/Acrylic) showed that after 12 months of wearing the denture, the satisfaction level regarding to all questions increased, except Q5-question for Vertex group, where the difference was not significant due to the already achieved maximum satisfaction at zero time. Based on the findings of this clinical study, it can be concluded that higher satisfaction is seen in patients rehabilitated with VertexThermosens dentures than with conventional rigid acrylic dentures.

Influence of using a domestic adhesive cream for fixation of removable dentures with plantain extract on mucosal microbiome and secretory immunity of the mouth

Relevance. Denture stomatitis, including fungal infection, which affects many wearers of removable dental prostheses, has a multifactorial etiology with poor oral hygiene as the main predisposing factor. Therefore, the search for means that contribute to the prevention of occurrence and elimination of denture stomatitis in persons using removable dental prostheses remains relevant.Objective. The effect of the adhesive cream for fixation of dentures Asepta Рarodontal with plantain extract on the mucosal microbiome and secretory immunity of the mouth of patients using removable dentures was evaluated.Materials and Methods. The content of secretory immunoglobulin A (sIgA) in saliva was studied by enzyme-linked immunosorbent assay and microbiological examination for periodontopathogens (Prevotella intermedia, Bacteroides forsythus, Treponema denticola, Actinobacillus actinomycetemcomitans, Porhyromonas gingivalis), as well as Streptococccus spp, Staphylococcus spp and Candida spp in 3 groups of patients who did not use any dental prostheses (1 control group, 30 people). ), as well as those who were made partial removable acrylic dentures from the first day of application were offered to use domestic adhesive cream for fixation of dentures Asepta Рarodonta (2 main group, 30 people) and who were made partial removable acrylic dentures, but their adaptation period and subsequent use of dentures passed without the use of any adhesive means for fixation of dentures (3 comparison group, 30 people).Results. It was found that after 6 months of application of adhesive cream for fixation of dentures with plantain extract there was a significant decrease in detection of Bacteroides forsythus and Porphyromonas gingivalis in comparison with the control group, as well as a significant increase in the level of sIgA, which was noted 1 month after the beginning of application of Asepta Carodontal denture fixation agent and continued after 6 months. This indicates the strengthening of secretory immunity, which leads to increased binding of microbes in saliva with their further excretion, inhibition of adhesion of C. albicans to the walls of the denture and epithelial cells of the oral mucosa, which ultimately contributes to a decrease in colonization of the oral mucosa epithelium by fungi and a decrease in the incidence of stomatitis.Conclusion. Prevention of denture stomatitis by optimizing the microbiome of the oral mucosa and mucosal immunity is possible due to the use of adhesive cream for fixation of dentures Asepta Carodontal, as it creates the possibility of preserving and optimizing the microbiocenosis and immune balance in the oral cavity after dental prosthetics, which allow us to recommend the use of adhesive agents for fixation of removable dental prostheses, including cream Asepta Carodontal.

A Different Approach to Analyzing the Surface Roughness of Prosthetic Dental Acrylic Resins

(1) Introduction: Apart from the polishing method, conventional or mechanized, the arithmetic mean roughness (Ra) is the most common metric to evaluate the surface roughness of denture base acrylic resins. An overview of the constraints related to this roughness parameter is highlighted in this study. This research introduces new parameters for accessing a functional analysis of surface roughness. (2) Materials and Methods: Five samples of CAD/CAM 3D-printed acrylic resins were prepared. Two polishing techniques, manual and mechanical, were applied. Surface roughness parameters were extracted from a profilometer reading: arithmetic mean height (Ra and Pa), skewness (Rsk and Psk), and kurtosis (Rku and Pku). (3) Results: Significant differences (p &lt; 0.001) were found in the Ra distribution among the study samples, in contrast with the lack of significance in Pa values. Surface roughness parameters revealed an increased coefficient of variance (CV) value due to mechanized polishing across the specimens analyzed. Skewness and kurtosis indicate a more pronounced distribution with the manual polishing technique. (4) Conclusion: This preliminary study exhibits the influence of different polishing protocols on surface roughness parameters. The primary profile, skewness, and kurtosis should be assessed for the surface characterization of acrylic resins.