Objective: To investigate the height of interdental papillae around single-tooth implants in the anterior maxillae after exposure of implant using crestal rotated flap.
Methods: The study comprised 34 implants in the anterior maxillae from 32 patients. All implants were uncovered by use of crestal rotated flap technique. Impressions were taken before and after stage 2 surgery, and stone models were used to evaluate the change of papillae height. The gingival papillae index around single-tooth implants was compared before and after the surgery.
Results: The average increase in papillae height was (0.77 +/- 0.25) mm, which was statistically significant with analysis of a paired t test (P < 0.05). The change of gingival papillae index showed no significant difference using statistical analysis of rank sum test (P > 0.05). The lower the gingival papillae index was before the surgery, the less the papillae height increased after the surgery.
Conclusions: The main advantages of the crestal rotated flap technique are simplicity and predictability, and it consistently provides high papillae for the maxillary implants.
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