Journal
QUINTESSENCE INTERNATIONAL
Volume 52, Issue 4, Pages 300-306Publisher
QUINTESSENCE PUBLISHING CO INC
DOI: 10.3290/j.qi.b912663
Keywords
dental implants; immediate loading; implant bone level; long-term follow-up; maintenance; periodontitis
Categories
Funding
- Rambam Health Care Campus
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The study evaluated implant and patient characteristics 4 to 8 years after implant installation in a study involving immediate fixed restoration of dental implants. Results showed that supportive periodontal therapy had a significant positive effect on probing pocket depth, bleeding on probing, and implant bone levels in long-term follow-up.
Objective: To evaluate implant and patient characteristics 4 to 8 years after implant installation in a study involving immediate fixed restoration of dental implants. Method and materials: The study was a follow-up of treated generalized chronic periodontitis patients who received immediate restorations on dental implants as part of a previous study. The patients were examined clinically and radiographically at implant placement, 6 months, 1 year, and 4 to 8 years later. Supportive periodontal therapy (SPT), teeth and implant probing pocket depth (TPPD and IPPD), bleeding on probing (BOP [teeth,TBOP; implant, IBOP]), and bone level (BL) measurements around implants were documented. Cases were divided into three groups according to annual SPT rate: 0.00 to 0.99/year (SPT0), 1.00 to 1.99/year (SPT1), 2.00 or more/year (SPT2). Results: Twelve patients, with 26 implants and 242 teeth, were included. The mean +/- standard deviation follow-up period was 6.08 +/- 1.25 years (range 4.04 to 7.94 years). All implants in the follow-up group were osseointegrated and survived during the follow-up period. The mean number of SPT appointments was 6.17 +/- 5.65. A weak negative correlation was found between SPT rate and Delta TPPD (-0.24, P = .0005), whereas a strong negative correlation was found between SPT rate and Delta IPPD (-0.76, P = .0005). Negative correlations were found between SPT rate and Delta TBOP (-0.20, P = .003), and between SPT rate and Delta IBOP (-0.5, P = .009). A moderate correlation was found between SPT rate and Delta BL (0.46, P = .02). Conclusion: SPT has a significant positive effect on PPD, BOP, and on implant BLs in long-term follow-up and should be an essential part of implant therapy.
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