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International Journal of Periodontics & Restorative Dentistry
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Int J Periodontics Restorative Dent 35 (2015), No. 1     5. Jan. 2015
Int J Periodontics Restorative Dent 35 (2015), No. 1  (05.01.2015)

Page 18-27, doi:10.11607/prd.2164, PubMed:25734703


A Mixed-Model Study Assessing Orthodontic Tooth Extrusion for the Reestablishment of Biologic Width. A Systematic Review and Exploratory Randomized Trial
Zenóbio, Elton Gonçalves / Moreira, Ricardo Carneiro / Soares, Rodrigo Villamarin / Feres, Magda / Chambrone, Leandro / Shibli, Jamil Awad
This study assessed the use of orthodontic extrusion (OE) for biologic width reestablishment (BWR) and compared two protocols for BWR: periodontal flap surgery (FS) performed either before (FS + OE) or after (OE + FS) extrusion. Databases were screened up to March 2013 for studies on OE, and outcomes from 13 patients treated by OE + FS or FS + OE were assessed. The results of the literature showed that OE + fiberotomy led to a greater amount of root extrusion than OE alone. The clinical/radiographic assessment demonstrated no significant differences between groups (P > .05). Within groups, there was an improvement in the keratinized tissue (P = .034) and in probing depth (P = .025) for OE + FS.