In conclusion, this study showed that periodontal plastic surgery including osseous resection leads to predictable outcomes in the treatment of altered passive eruption/gummy smile: A careful preoperative planning avoids unpleasant complications and enhances postsurgical stability of the gingival margin.Ĭrown lengthening is one of the most common surgical procedures in periodontal practice. All patients rated as satisfactory in the final outcomes (final VAS value = 86.6). At the last followup, a significant and stable improvement of crown length was obtained when compared to the baseline (P < 0.0001). Eleven patients with a total of 58 teeth were treated with flap surgery and osseous resective therapy at upper anterior natural teeth. Clinical outcomes were recorded 6 months after surgery. Osseous respective therapy was performed to achieve biological width. Standardized preoperative X-rays were used to assess crown length at baseline and to place submarginal incisions.
A specific surgical protocol was designed and tested in patients with altered passive eruption. The information obtained from this study can be clinically applied to restore the dimensions during periodontal surgery, restorative dentistry and prosthetic rehabilitation.Īltered passive eruption/gummy smile is a common challenge in patients requiring aesthetic treatment. The teeth revisited in this study did not comply with the ideal dimensions in the anterior maxillary sector as established by the Golden proportion, Golden percentage and RED. The mean width of the canine was 7.69 mm, with a height of 8.68 mm. The central incisor presented a mean width of 8.58 mm and a height of 9.35 mm, while the lateral incisor presented a width of 6.69 mm and a height of 7.75 mm. A total of 2304 tooth corresponding to 384 subjects were evaluated. In addition, an analysis was made to reinvestigate whether they complied with the Golden proportion, the RED (Recurrent Esthetic Dental) proportion and the Golden percentage. Therefore, the primary purpose of this study was to define the dimensions of the maxillary anterior teeth and the relationships between them. It can be deduced that the ideal dimensions in the maxillary anterior sector are difficult to establish. Dental esthetics need to be defined from the scientific perspective in order to obtain predictable treatment outcomes and avoid the effects of subjectivisms on the part of the dental profesional.
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