“…According to recent systematic reviews, the use of autogenous tissue harvested from the retromolar or palatal area is considered to be the gold standard around teeth and dental implants in partially edentulous patients (Thoma et al, 2014, Thoma et al, 2009, Levine et al, 2014, Cairo et al, 2014. Whereas these transplants and techniques are well documented, disadvantages are often reported, mostly due to the morbidity associated with the harvesting procedure and the respective second surgical site (Griffin et al, 2006, Wessel and Tatakis, 2008, Harris et al, 2005. In order to overcome these drawbacks, a number of soft tissue substitutes, predominantly derived from other medical fields, were introduced in dentistry (Liu et al, 2010).…”