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Volume 34 , Issue 3
May/June 2014

Pages 365-373


Crown Lengthening in the Maxillary Anterior Region: A 6-Month Prospective Clinical Study

David E. Deas, DMD, MS/Scott A. Mackey, DDS, MS/Ruben S. Sagun Jr, DDS, MS/Raymond H. Hancock, DDS, MS/Scott F. Gruwell, DDS, MS/Casey M. Campbell, DDS, MS

The purpose of this study was to assess osseous parameters and stability of maxillary anterior teeth following crown lengthening surgery. Thirty-six patients requiring facial crown lengthening of 277 maxillary anterior and first premolar teeth were included. Presurgical and intraoperative clinical measurements were recorded at baseline and 1, 3, and 6 months postsurgery at midfacial, mesiofacial, and distofacial line angles. The data presented here suggest that when crown lengthening anterior maxillary teeth, the distance between the desired gingival margin and alveolar crest is usually insufficient to allow for biologic width. In addition, there is significant tissue rebound that may stabilize by 6 months. Tissue rebound appears related to flap position relative to the alveolar crest at suturing. These findings suggest that clinicians should establish proper anterior crown length with osseous resection. (Int J Periodontics Restorative Dent 2014;34:365373. doi: 10.11607/prd.1926)


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