International Poster Journal of Dentistry and Oral Medicine
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Int Poster J Dent Oral Med 14 (2012), No. 2     15. June 2012
Int Poster J Dent Oral Med 14 (2012), No. 2  (15.06.2012)

Poster 591, Language: English


Microscrew biomechanics of maxillary posterior segment intrusion
Felicita, A. Sumathi
Intrusion of the maxillary posterior segment has always been a challenge to the orthodontic community. Definitive intrusion of the maxillary posterior segment is feasible only by means of orthognathic surgery. Miniscrew implants offer a paradigm change in treatment mechanics of intrusion of the posterior segment alleviating extensive surgical management. The following poster highlights the different types of intrusion of the maxillary posterior segment and the their indication. The biomechanics involved in first order, second order and third order control have been enumerated. The disadvantages of each mechanics are put forth. Comparing the different biomechanics in three dimensions of space (first order, second order, thrid order) the ideal appliance system for three dimensional control has been put forth.

Keywords: miniscrew, intrusion, posterior segment

Conference/Exhibition:
17-19 Dec, 2010
45th Indian Orthodontic Conference
Mangalore