Crestal Bone Remodeling in Polished Collar Implants
Muhammad Iftikhar Ahsen,Muhammad Haseeb,Sittara Javed,Zainab Naqvi,Muhammad Yousaf Ali,Zubair Ahmed Khan.
Abstract
Objective: This study aimed to evaluate the amount of crestal bone remodeling in polished collar implants.
Methodology: Thirty patients with a missing maxillary or mandibular 1st or 2nd premolar tooth requiring simultaneous bone grafting were recruited and implant placed at the level of crest with polished collar placed 1mm apical to the level of bone and bone augmentation was performed to graft the buccal threads. Buccal bone thickness was measure at crestal level as well as 1mm apical to polished collar. The implants were uncovered at 6 months and restored and patients followed up for 12 months from the time of implant placement. Cone beam computed tomography scans were taken at two time points, immediately after implant placement and at 12-month time point.
Results: At clinical re-entry (6 months), there was significant difference in mean buccal bone thickness found between crestal level and 1mm apical to polished collar (p
Key words: Dental implants, polished collar, bone augmentation, bone remodeling, cone beam computed tomography
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