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International Journal of Periodontics & Restorative Dentistry



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Int J Periodontics Restorative Dent 26 (2006), No. 1     25. Jan. 2006
Int J Periodontics Restorative Dent 26 (2006), No. 1  (25.01.2006)

Page 86-93, PubMed:16515100

Orthodontic Extrusion With or Without Circumferential Supracrestal Fiberotomy and Root Planing
Carvalho, Cássio Volponi/Bauer, Flávio Paim Falcao/Romito, Giuseppe Aleandre/Micheli, Giorgio De
The aim of this randomized clinical trial was to carry out a biometric comparison between the orthodontic extrusion (OE, group B) technique and OE combined with fiberotomy and root planing (OEFRP, group A). Twenty single-root teeth were extruded and assigned to two different groups. In both groups, fixed orthodontic appliances were activated weekly during the course of 3 weeks. After activation, the extruded teeth were maintained in retention for a period of 8 weeks. In group A, along with weekly activation, fiberotomy and root planing were carried out on the top of the alveolar bone crest. Statistical analysis revealed that the amount of dental structure exposed was greater in group A, where the gingival margin and bone tissue remained stable (P < .05). Group B presented coronal migration of the gingival tissue and bone tissue of 2 mm and 1.5 mm, respectively.