Abstract
Aims: Aim is to evaluate the clinical and radiographic outcome of Intentional Replantation of teeth utilizing Atraumatic extraction technique and Biodentin as root end restorative material
 Materials and Methods: Any patients irrespective of age & sex who reported to the Department of Conservative Dentistry & Endodontics, D. J. College of Dental Sciences & Research with the post endodontic treatment periapical pathology where orthograde retreatment and apical surgery was unfeasible or declined by patients and where extraction be the last resort was selected for the procedure. Informed consent was taken. Retention and healed status without complications (periapical radiolucency, external root resorption, ankylosis, signs/symptoms, probing <6 mm) was recorded and analyzed with Kaplan-Meier survival analysis and Cox proportional hazard regression model (P < .05). Bivariate associations of the investigated variables with the main complications (ankylosis, periapical radiolucency, external root resorption) evaluated. 
 Results: Cumulative healed rates from 60% at 6 months to 92% at 12months seen. Complications leading to extraction observed in 1 of 15 attending teeth. The Kaplan-Meier survival function suggested an expected 1-year cumulative retention rate of 92%. Among the 15 teeth, 1 tooth with complication was due to persistent periapical radiolucency and mobility.
 Null hypothesis was that IR is to preserve the natural dentition, there by upholding the main goal of Conservative treatment.
 Conclusions: Within the limitations of this study, after analyzing the results and obtaining a complete follow up of 12 months radiographically and clinically, it can be concluded that Intentional replantation is an alternative treatment and should be included in the savior procedures as it has shown a success rate of 92%.
 Keywords: endodontic complications, intentional replantation, physics forceps, Biodentin
Highlights
The primary goal of endodontic treatment is to take care of the integrity of the natural dentition that is important for full perform and natural aesthetics
There are some of prognostic factors for IR, for example, guaranteeing a sound periodontic ligament (PDL), preventing mechanical damage and microorganism contamination, short extra oral time and careful handling of the tooth
The duration and method of extraction, extra -oral time and preservation of cellular vitality of periodontal ligament are critical parameters. These parameters are controlled by performing whole procedure under aseptic conditions and extra oral time should be brief < 15min.[10,11] which has a good impact on the maintaining cell viability of PDL
Summary
The primary goal of endodontic treatment is to take care of the integrity of the natural dentition that is important for full perform and natural aesthetics. Root canal re-treatment or surgical endodontic intervention often managed these, in some cases that re-treatment or apical surgery is not possible or impractical, intentional replantation is thought about as an answer to preserve the tooth. Clinical and radiographic assessments are used to investigate the rate of success of the procedure that primarily rely upon peri-radicular healing.[3,4] With acceptable case selection and strict execution of treatment protocols, it very well is viewed as an affordable treatment of choice with usually better prognosis. The principle advantage of intentional replantation procedure is that tooth surfaces, as well as inaccessible areas, are often visualized and instrumented whole while not harming contiguous periodontal tissues, adding to restoration of sound peri-radicular tissues.[4,5]
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