Marginal bone loss when using titanium healing abutments vs. zirconia custom healing abutments
Keywords:
DENTAL IMPLANTS, BONE RESORPTION, WOUND, TITANIUM, ZIRCONIUM.Abstract
Introduction: dental implants are a viable alternative for the recovery of lost teeth; the long-term success of implants depends largely on the stability of the crestal bone.
Objective: to determine marginal bone loss on digital periapical radiographs; occurring around implants with titanium versus zirconia healing abutment.
Methods: a total of 54 digital radiographs were collected at two times: surgical phase, time zero (T0), and prosthetic phase four months later, time 1 (T1); 28 radiographs were of cases of implants with immediate placement of a zirconium healing abutment and 26 were of cases of implants with immediate placement of a titanium healing abutment. Marginal bone loss measurements were made with Adobe Photoshop software, using four stable reference points on the radiological image, two on the implant platform, mesial side (A) and distal side (B); and two points at the first visible contact between the bone and the implant, mesial (C) and distal (D).
Results: there was no statistically significant difference in marginal bone loss at mesial level (p=0,859) and at distal level (p=0,338) between zirconia and titanium.
Conclusions: marginal bone loss in the present study was comparable in both zirconia and titanium abutments.
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