Clinical Update quiz
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October Clinical Update
A multi-centre randomized controlled trial comparing connective tissue graft with collagen matrix to increase soft tissue thickness at the buccal aspect of single implants: 3-year results.
Surdiacourt L, Christiaens V, De Bruyckere T, De Buyser S, Eghbali A, Vervaeke S, Younes F, Jan Cosyn. J Clin Periodontol. 2024; 1-10. DOI: 10.1111/jcpe.13975
This article was originally published by the Wiley Online Library and has been edited for brevity and clarity.
Compiled by Dr Sarah Chin
Introduction
Soft tissue augmentation is often required to improve the soft tissue contour at the buccal aspect of implants. Loss of buccal contour is common after bone augmentation. A study from 2011, showed that soft tissue augmentation contributed to nearly half the buccal soft tissue contour. Another split mouth randomised control trial (RCT) study found that a connective soft tissue graft (CTG) gave better aesthetics and colour match compared with no augmentation. They also have a better colour match with a CTG.
CTG is considered the gold standard for soft tissue augmentation, however, a second surgical site is required for graft harvesting and there may be limited tissue available which may also affect the success of the graft. As a result, xenograft collagen matrices have been developed.
Preclinical and clinical studies have been published on cross-linked porcine-derived collagen matrix (CMX) (Geistlich Fibro-Gide, Geistlich Pharma) with results up to five years from the same group and same study population. Two multi-centre randomised control trials (RCT) have been conducted comparing CTG and CMX to increase soft tissue thickness at the buccal aspect of the single implants.
The primary objective was to compare CTG with CMX in terms of increase in buccal soft tissue profile (BSP) after three years when applied at single implant sites showing a minor horizontal alveolar defect.
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September 2024 Clinical Update | pdf
October 2024 Clinical Update | pdf