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Long-term outcomes of soft tissue augmentation around dental implants on soft and hard tissue stability: a systematic
Roberto Rotundo1,2, Umberto Pagliaro3, Elena Bendinelli1
1Department of Surgery and Translational Medicine, University of Florence, Firenze, Italy.
Aim:
To investigate whether the height and volume of the soft tissues and peri-implant bone levels around dental implants are stable, when soft tissue augmentation has been performed.
Materials And Methods:
Three operators conducted a search on electronic databases (MEDLINE, COCHRANE, EMBASE) and a hand searching on the main journals dealing with periodontology and implantology until 30 October 2014. Only articles that considered peri-implant soft tissue augmentation performed in a group of at least 10 patients and with a follow-up of at least 1 year were selected. The outcome variables were peri-implant attached/keratinized tissue width (KTW) changes, peri-implant marginal soft tissue level (PSL) changes, and peri-implant marginal bone level (PBL) changes. The review was performed according to the PRISMA statements.
Results:
Ten articles were selected for the qualitative synthesis, but only one meta-analysis was accomplished, indicating that 1 year after implant recession coverage procedures, a mean gain of 1.65 ± 0.01 mm (90% CrI [1.44; 1.85]) was observed.
Conclusions:
There is no long-term evidence whether augmented soft tissues can be maintained over time and able to influence the peri-implant bone levels.
