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- Title
Peri-Implant Marginal Bone Changes and Soft Tissue Conditions around Single Implants with Laser-Microgrooved Collar Placed in Regenerated Extraction Sockets and in Native Bone: 2-Year Results of RCT.
- Authors
Renzo, Guarnieri; Di Nardo, Dario; D'Angelo, Maurilio; Seracchiani, Marco; Miccoli, Gabriele; Testarelli, Luca
- Abstract
The aim of present study was to compare peri-implant marginal bone changes and soft tissues conditions around single implants placed in alveolar sockets regenerated with porcine xenograft and collagen membrane or non-regenerated native bone. Forty patients who required single tooth extraction and single implant placement in premolar/molar area, were enrolled in this study. Subjects were randomly assigned to the control group (S; extraction sockets spontaneously healed) or to the test group (R; extraction sockets grafted with porcine-derived bone and covered with collagen membrane). Six months after extractions, single tapered implants with laser-microgrooved collars were inserted. For each implant, radiographic MBL and clinical parameters were evaluated during 2 years of function. At the 24-month follow-up, a survival rate of 100% was reported for all implants. For the S group, the mean marginal bone loss (MBL) was 0.118 ± 0.07 mm while for the R group the mean MBL was 0.131± 0.03 mm. No statistically significant differences were reported among groups (P >0.05). Between the two groups, no statistically significant differences were found also for plaque index, bleeding on probing, probing depth and gingival recession. At the 24-month follow-up, results showed that implants with laser-microgrooved collar surface placed in regenerated extraction sockets and in native bone did not performed differently with respect to implant survival, MBL and peri-implant soft tissue parameters.
- Subjects
TOOTH socket; BONES; GINGIVAL recession; DENTAL extraction; TISSUES; BONE grafting
- Publication
Journal of International Dental & Medical Research, 2020, Vol 13, Issue 1, p275
- ISSN
1309-100X
- Publication type
Article