Volumetric Changes and Marginal Bone Loss Using Soft Tissue Allograft for Single Tooth Implant Therapy

An increase in the volume of soft tissues around dental implants is advocated for the longevity of implant restorations and maintenance of health. The use of soft tissue grafts has been implemented to help establish biologic and functional stability around dental implants. Autogenous grafts require a donor site with associated morbidities and allogenic grafting materials were identified as a suitable alternative for implant site development . Acellular dermal matrix allograft (e.g.: PerioDerm®) was shown as an effective treatment for soft tissue augmentation around teeth and dental implants. However, the evidence around the use of allogenic materials for soft tissue augmentation is controversial and most of the publications have incorporated collagen matrices rather than acellular dermal matrices. Additionally, there is relatively little evidence on the volumetric changes associated with these grafts. Therefore, the aim of this study is to evaluate the volumetric soft tissue and marginal bone level changes with and without a submucosal connective tissue allograft (PerioDerm®).