Abstract
Background : To compare crestal bone changes after placement of immediate versus delayed dental implant
 Aim and Objective : Comparative evaluation of crestal bone changes in immediate placement and delayed palcement of dental implant: A clinico-radiographical study.
 Methods : A coparative study was conducted in total 20 implant sites in patients within the age group 20-60 years comprising both male and female visiting Out-patient Department of Periodontology and Implantology ,D J College of Dental Science and Research Modinagar (U.P). Clinical parameters were recorded at baseline ,3 months ,6 months; they included pain, mobility, radiographic assessment for crestal bone changes.
 Results : On intergroup comparison, the mean difference of the pain and mobility between Group A and GroupB showed that there was no significant result. On intergroup comparison, the mean difference of the crestal bone changes between Group A and Group B showed that Group B had slightly higher bone loss than Group A during baseline to 6th month period.
 Conclusion : Within limitations of this study, it can be concluded that there was significant crestal bone loss in Group A (Immediate implantation) at both mesial and distal surface during baseline to 6th month observation period. Furthermore, a continuous bone resorption was observed over the time in both the groups. Due to small sample size, short duration, and CBCT assessment of crestal bone loss during follow-up in the study long?term survival of two?piece implants in both the groups cannot be determined; so, further studies are required to be done.
 Keywords: Crestal bone loss, dental implant, osseointegration
Highlights
Oral health and care are very important to maintain proper speech, mastication, digestion, appearance, and psychological well being
Conventional placement of dental implant involves extraction of offending tooth, 2-4 months waiting for extraction socket to heal, insertion of dental implant and again 3-6 months waiting for integration of dental implant with surrounding bone; after this procedure, second surgery is necessary to expose the dental implant and to place a prosthetic abutment
Results of our study showed significant crestal bone changes after immediate placement of dental implant into fresh extraction socket as compared to conventional placement but none of the implants failed so immediate implant placement can still be considered viable and predictable solution to tooth loss
Summary
Oral health and care are very important to maintain proper speech, mastication, digestion, appearance, and psychological well being. Patients present with compromised teeth which are unrestorable and require extraction. The target of advanced implant dentistry is to prevent tooth loss which provide a healthy dentition with optimal functional efficiency, aesthetic harmony and structural balance. Most modern and advanced way to replace missing teeth is dental implant which is designed to replicate the natural tooth root and crown of the natural tooth. The patient has to wait upto 8-12 months for a lost tooth to be replaced. Because of these limitations related to conventional
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