PMID: 12766204May 27, 2003Paper

Root resorption related to hypofunctional periodontium in experimental tooth movement

Journal of Dental Research
S SringkarnboriboonK Soma

Abstract

Orthodontic movement of non-occluding teeth may result in undesirable apical root resorption. These teeth present with a histologically altered periodontium and are considered to be hypofunctional. The purpose of this study was to compare the amount of root resorption associated with a normal and a hypofunctional periodontium in rats during experimental tooth movement caused by heavy continuous force. The mandibular first molar was induced into a non-occluding condition in the hypofunctional periodontium group. Mesial orthodontic force was applied by means of 50-gram-force closed-coil springs for 15 days in both groups. The active root-resorption lacunae from histological sections, identified by tartrate-resistant acid phosphatase, were measured in terms of length, depth, and area. The results showed that the amount of root resorption was significantly greater in teeth with a hypofunctional periodontium than in those with a normal periodontium (p < 0.05). These results suggest that orthodontic movement of non-occluding teeth should be performed with caution.

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Citations

Oct 12, 2011·Proceedings of the National Academy of Sciences of the United States of America·Helder Gomes RodriguesLaurent Viriot
Jan 12, 2013·European Journal of Orthodontics·Masahide MotokawaKazuo Tanne
Oct 4, 2006·The Journal of Histochemistry and Cytochemistry : Official Journal of the Histochemistry Society·Xianghong LuanThomas G H Diekwisch
Jun 14, 2014·PloS One·Hidetaka HayashiToshitsugu Kawata
Jun 22, 2012·The Angle Orthodontist·Risa Usumi-FujitaTakashi Ono
Nov 13, 2009·The Angle Orthodontist·Naoki ShibutaniKunimichi Soma
Feb 2, 2016·International orthodontics·Rajae ElhaddaouiLoubna Bahije
May 20, 2015·The Angle Orthodontist·Akiko HayashiToshitsugu Kawata
Nov 1, 2006·Dental Traumatology : Official Publication of International Association for Dental Traumatology·Paulo Ferreira Garcia FilhoRenato Menezes
Nov 1, 2012·Korean Journal of Orthodontics·Xingfu BaoDongsheng Yu
Apr 27, 2017·European Journal of Orthodontics·Yoshiro MatsumotoTakashi Ono
Sep 23, 2018·Journal of Orofacial Orthopedics = Fortschritte Der Kieferorthopädie : Organ/official Journal Deutsche Gesellschaft Für Kieferorthopädie·Juan-Juan JiYong Shen
Dec 24, 2005·European Journal of Orthodontics·Riyad A Al-QawasmiW Eugene Roberts
Apr 22, 2006·American Journal of Orthodontics and Dentofacial Orthopedics : Official Publication of the American Association of Orthodontists, Its Constituent Societies, and the American Board of Orthodontics·Vinod Krishnan, Ze'ev Davidovitch

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