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Aim: To report the precision of guided access cavity preparations in relation to demographical and dental variables in 50 patients. Methodology: This observational study was carried out during the period 2014–2017. The patients were consecutive referrals to a private endodontic practice. The inclusion criteria were as follows: (i) pulp space obliteration associated with signs of apical periodontitis (PAI score >3 or sensitive to percussion, (ii) teeth with pulp space obliteration in need of a post, where the referring dentist had attempted or failed to negotiate the obliterated root canal (and it was not possible to negotiate using the operating microscope within a reasonable time frame) and (iii) a surgical intervention was not justified. A published methodology for guided endodontics was used. Measures on demographical and previous dental history were analysed and related to drill path precision, being evaluated on radiographs as optimal (centre of the root canal) or acceptable (peripheral/tangential). The chi-square test was used for analyses of correlation between predictor variables and binary logistic regression analysis using backward elimination with degree of obliteration, guided access cavity preparation depth and precision as dependent variables. Significance level was 0.05. Results: Thirty-one female (median age 65 year) and 19 males (median age 69 year) were enrolled. Overall, 88% (n = 44) of the teeth had pulp space obliteration associated with signs of apical periodontitis, whereas the remaining teeth were in need of a post. The pulp space obliterations were longer in maxillary compared with mandibular teeth (P = 0.024). The performance of the drill path in mandibular teeth versus maxillary teeth resulted in a significantly greater number of optimal precision scores (P = 0.033), and when a previous attempt at access and canal negotiation had occurred versus no attempt (P = 0.009). Even in cases with the worst outcome, the technique was still suc

INTRODUCTION: The preservation of the integrity and health of primary teeth and their supporting tissues is of great importance in maintaining arch length space, mastication, speech, and esthetics. A pulpotomy is a common therapy performed on a primary tooth presenting reversible pulpitis or a traumatic pulp exposure, allowing its conservation on the arch until its loss. AIM: The study aims to clinically and radiographically evaluate the rates of success and efficacy of Biodentine™ as pulpotomy medicament exclusively on deciduous molars with complete roots formation (stage 2). MATERIALS AND METHODS: A total number of 75 primary molars in stage 2 of formation were selected to undergo pulpotomy treatment. All teeth were restored with a stainless-steel crown.The clinical success was evaluated at 1, 3, 6 and 12-month intervals. The radiographic follow-up evaluations were at 6 and 12 months. The resulting data were tabulated and statistically analyzed. RESULTS: Among the 75 teeth treated with Biodentine™, one tooth revealed abnormal mobility and tenderness to percussion at the end of the 1st month. PLS widening and the bone lesion was not seen in any of the 74 remaining cases. Forty teeth (54.1%) showed pulp canal obliteration (PCO), and none of the cases developed a draining sinus or had increased mobility. At the end of the 1-year follow-up, the clinical and radiographic success rates were 98.7% and 100%, respectively. CONCLUSION: Pulpotomies performed with Biodentine™ on stage 2 primary molars were generally very satisfactory and fulfilled all requirements, covering all needs. This innovative bioactive medicament seems to be a "heroic" material. The excellent outcomes of the present study are indicative that Biodentine™ is a promising biomaterial to promote pulp repair after pulpotomy in clinical practice. HOW TO CITE THIS ARTICLE: Nasrallah H, El Noueiri B, Pilipili C, Ayoub F. Clinical and Radiographic Evaluations of Biodentine™ Pulpotomies in Mature Primary Molars

INTRODUCTION: Conservation of primary dentition is essential for maintenance of arch length, esthetic, mastication, speech and prevention of abnormal habits. The commonly supported treatment for retaining carious primary molars with affected pulp is pulpotomy. AIM: The study aims to evaluate clinically and radiographically the rates of success and efficacy of Biodentine™ as pulpotomy medicament exclusively on primary molars with physiological root resorption. MATERIALS AND METHODS: A total number of 35 primary molars in stage three of formation were selected to undergo pulpotomy treatment. All teeth were restored with pediatric stainless-steel crowns.The clinical findings were evaluated at 1, 3, 6 and 12-month intervals and the radiographic follow-ups evaluations were done at 6 and 12 months. The resulting data were tabulated and statistically analyzed using IBM SPSS© for Windows version 20.0 (SPSS, Chicago, IL, USA). Mc Nemar test was conducted to evaluate the differences in results between months 6 and 12. RESULTS: Periodontal ligament space (PLS) widening and alveolar bone lesion were not seen in any of the 35 cases, 9 teeth (25.7%) manifested pulp canal obliteration (PCO), and none of the cases showed signs of pathologic root resorption. The clinical and radiographic success rates in pulpotomy using Biodentine™ at 6 and 12 months were 100%. CONCLUSION: Pulpotomies performed with Biodentine™ were entirely successful. This dressing material appears to be a serious pulpotomy agent in primary molars with root resorption.How to cite this article: Nasseh HN, Noueiri BE, Pilipili C, Ayoub F. Evaluation of Biodentine Pulpotomies in Deciduous Molars with Physiological Root Resorption (Stage 3).