Abstract

ABSTRACT The aim of this study was to assess marginal bone loss in teeth restored with endodontic posts on all four aspects of the teeth using cone beam tomography. Bone loss was assessed via scores (0-5) in relation to root length and bone height. The results showed that the scores for the contralateral and restored sides, respectively, ranged from 0 to 3 and 0 to 5 buccally, 0 to 4 and 0 to 4 palatally, 0 to 3 and 0 and 4 mesially and 0 to 3 and 0 to 4 distally. A significant difference in bone loss was observed between the post-restored teeth and their contralaterals for the buccal, lingual/palatal and mesial aspects (p<0.05), with teeth bearing endodontic posts scoring highest. In conclusion, marginal bone loss was higher in teeth restored with intra-canal posts when compared to their sound contralaterals.

Highlights

  • Endodontic treatment encompasses several fundamental and interdependent steps that are key to treatment success

  • Regarding tomographic evidence of periodontal disease, whenever present, it was bilateral in our population sample, with no difference between the post-restored teeth and their contralaterals, where 49.8% of the patients showed signs of periodontal disease bilaterally, while 50.2% patients had no evidence of periodontal disease on Cone beam computed tomography (CBCT)

  • Alveolar bone loss is one of the consequences of periodontitis and patients diagnosed with periodontal disease show a high rate of horizontal bone loss (92.2%) and low rate of angular bony defects [9,10], where the former has been reported to increase with age [8]

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Summary

Introduction

Endodontic treatment encompasses several fundamental and interdependent steps that are key to treatment success. Success of endodontic therapy depends on a high-quality coronal seal, whether provisional or definitive. Protection of the root fillings by an adequate coronal restoration is of utmost importance to maintain a successful endodontic outcome. Katsamakis et al [3] evaluated 146 complete sets of periapicals from patients with periodontal disease, and reported a greater marginal bone loss in 194 teeth restored with an intracanal post when compared with their cotralateral tooth. Their findings included the presence of angular bone defects in 18% of post-restored teeth against 7.8% in their contralateral counterparts

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