Gothenburg University
The objective of this project is to compare post-operative pain associated with palatal and tuberosity donor sites for micro-CTG, and to evaluate the outcomes in both the donor and recipient sites.
Gingival Recession, Localized
modified coronally advanced tunnel technique combined with multiple palatal micro connective tissue grafts
modified coronally advanced tunnel technique combined with multiple tuberosity micro connective tissue grafts
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A variety of surgical methods have been reported to reestablish root coverage, including tunneling techniques and coronally and laterally advanced flaps. As thin gingival tissue is one of the predisposing factors for GRD, the adjuvant use of subepithelial connective tissue grafts (CTGs) is often considered. CTGs are thought to contribute to phenotype modification and stability of treatment outcomes and studies have indicated favorable esthetic results and high degrees of root coverage. CTGs are preferably harvested either from the lateral superficial part of the palate or from the tuberosity, due to the high amount of lamina propria and minimal submucosal tissue (adipose and glandular tissue). When multiple adjacent teeth exhibit GRDs, the preferred surgical approach should offer the greatest possible root coverage, while limiting drawbacks (i.e., patient morbidity, esthetic problems). Thus, one of the challenges related to coverage of multiple GRDs is the scarcity of donor tissue. Modification of the harvested CTG into multiple "micro-CTG" has been proposed for the treatment of multiple adjacent GRDs (MAGRD) in order to reduce the amount of CTG to be harvested. Soft-tissue grafts from the tuberosity are increasingly gaining popularity not only because they are easier to harvest, are denser in connective tissue fibers but also because harvesting from the tuberosity presents minimal risk of intra- or post-operative complications, resulting in reduced patient morbidity. However CTG from maxillary tuberosity have been reported to induce a hyperplastic response in some patients. The objective of this study will be to compare palatal versus tuberosity micro-CTG on postoperative pain, oral health-related quality of life (OHRQoL), degree of root coverage and esthetic outcomes. The investigators hypothesise that no statistically significant differences will be observed in terms of %root coverage and patient satisfaction at 12 months (non-inferiority). Subjects in the test group (micro-CTG) will report significantly lower morbidity at 1 and 2 weeks post-surgery when compared to controls (superiority).
| Study Type : | INTERVENTIONAL |
| Estimated Enrollment : | 30 participants |
| Masking : | TRIPLE |
| Primary Purpose : | TREATMENT |
| Official Title : | Palatal vs Tuberosity Micro-connective Tissue Grafts for the Treatment of Multiple Adjacent Gingival Recession Defects: a Multi-center Controlled Randomized Clinical Trial |
| Actual Study Start Date : | 2025-09-01 |
| Estimated Primary Completion Date : | 2026-09-01 |
| Estimated Study Completion Date : | 2026-09-01 |
Information not available for Arms and Intervention/treatment
| Ages Eligible for Study: | 18 Years to 60 Years |
| Sexes Eligible for Study: | ALL |
| Accepts Healthy Volunteers: |
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