Journal
JOURNAL OF CLINICAL PERIODONTOLOGY
Volume 43, Issue 12, Pages 1132-1141Publisher
WILEY
DOI: 10.1111/jcpe.12626
Keywords
aesthetics; collagen (matrix); gingival recession; keratinized tissue; patient-centred outcomes; patient-reported outcomes; root coverage; tissue regeneration; xenograft
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Funding
- Geistlich Pharma AG
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Aim: To assess patient-reported outcome measures (PROMs), aesthetics and stability of root coverage procedures from a previous 6-month RCT after 1 year. Material & Methods: Forty-five patients (90 recessions) had received a coronally advanced flap (CAF = control) only or a xenogeneic collagen matrix in addition (CAF + CMX = test). Visual analogue scales (VAS) and questionnaires were used for PROMs and the root coverage aesthetic score (RES) for professional aesthetic evaluations. Results: VAS scores (patient satisfaction) amounted to 8.58 +/- 1.86 (test) versus 8.38 +/- 2.46 (control). Six patients preferred CAF + CMX concerning surgical procedure and aesthetics, six preferred CAF and 29 were equally satisfied. RES was 7.85 +/- 2.42 for the test group versus 7.34 +/- 2.90 for the controls. Root coverage (RC) was 76.28% for test and 75.05% for control defects. The mean increase in keratinized tissue width was higher in test (from 1.97 to 3.02 mm) than in controls (from 2.00 to 2.64 mm) (p = 0.0413). Likewise, test sites showed more gain in gingival thickness (0.52 mm) than control sites (0.27 mm) (p = 0.0023). Compared to 6 months, clinical outcomes were stable. Conclusions: Results for PROMs, RES and RC did not significantly differ between treatment groups. Thickness and width of keratinized tissue were enhanced following CAF + CMX compared to CAF alone.
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