Abstract
BackgroundSocket sealing surgery is performed for the preservation of the form and volume of the soft tissue by covering the resulting socket with autogenous soft tissue graft or membrane barriers. This procedure is usually necessary to improve the esthetic results of the maxillary anterior or premolar areas.MethodsThis study retrospectively investigated cases involving the open membrane technique or socket sealing surgery with a palatal gingival graft or collagen membrane where implant placement and bone grafting were performed immediately after tooth extraction. From January 2005 to December 2008, socket sealing surgery was performed in 24 patients, and 25 implants were placed.ResultsAll implants were successful in the follow-up period. In the palatal gingival graft group, the mean marginal bone loss was 1.17 mm during the mean follow-up period of 81.0 months. In the collagen membrane group, the mean marginal bone loss was 1.23 mm during the mean follow-up period of 76.9 months. There was no significant difference between the two groups.ConclusionsConsequently, socket sealing surgery is effective at minimizing the loss of soft tissue and alveolar bone.
Highlights
Socket sealing surgery is performed for the preservation of the form and volume of the soft tissue by covering the resulting socket with autogenous soft tissue graft or membrane barriers
Mucoperiosteal flap elevation is generally required to facilitate filling with the bone graft and other materials, which is required to perform the primary suture for extraction socket preservation
A previous study has shown that natural soft tissue healing at 6 weeks after tooth extraction was superior when socket sealing surgery was performed in the extraction socket along with the bone graft [8]
Summary
Patients The authors conducted a retrospective study of socket sealing surgery cases in patients who received implant treatment in the Seoul National University Bundang Hospital between January 2006 and December 2008. Socket sealing surgery was performed in patients, with a total of implants placed. Palatal tissue grafting was performed in 11 implants (anterior teeth 7, posterior teeth 4) of 11 patients (males 5, females 6). A resorbable collagen membrane was used in 14 implants (anterior teeth 7, posterior teeth 7) of 13 patients (males 2, females 11). Measurement of marginal bone loss Distances between implant shoulder and the first visible bone-implant contact (mm) were measured using PACS software (INFINITT PACS 3.0.9.1, Seoul, Korea). Change in crestal bone height of each implant was calculated from the differences between the initial and final measurements from standardized periapical radiographs. Statistics To statistically analyze the amount of marginal bone loss and complication rate between the two groups, independent sample t test was used (SPSS Inc., Chicago, IL, USA)
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