Acellular Dermal Matrix Allograft Versus Free Gingival Graft

Acellular Dermal Matrix Allograft Versus Free Gingival Graft: a Histological Evaluation and Split-mouth Randomized Clinical Trial

The present split-mouth controlled randomized clinical trial aimed to evaluate clinical and histological results of acellular dermal matrix allograft (ADM) compared to autogenous free gingival graft (FGG)

Inclusion Criteria:

• absence or deficiency of keratinized tissue (< 1mm) in two homologous contralateral sites of inferior premolars
• Miller Class I or II gingival recession
• Absence of radiographic bone loss
• Vital tooth or with adequate endodontic treatment
• Root surfaces without caries
• Good oral hygiene (plaque index < 20%)

Exclusion Criteria:

• Allergic to penicillin
• Presenting systemic disease that impede surgical procedure
• Smokers
• Pregnancy
• Intake of calcium channel blockers that cause gingival augmentation