Clinical Trial of Two Techniques for Gingival Displacement

Inclusion Criteria: * good general and dental health * at least two anterior teeth with an indication of prosthetic dental crown Exclusion Criteria: * smoking habits * systemic diseases * pregnant * had not consumed antibiotics or anti-inflammatory drugs in the last 60 days * the selected teeth must have good periodontal health characterized by regular gingival margin with at least 2 mm of attached gingiva, non-fibrotic gingival tissue, no marginal recession, probing depth ≤ 3 mm, no evidence of significant loss of bone insertion and present no visible plaque and gingival bleeding