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RGO.Revista Gaúcha de Odontologia (Online)
On-line version ISSN 1981-8637
Abstract
TIAGO, Carollyne Mota; PREVIDENTE, Luis and NOUER, Paulo Roberto Aranha. Molar intrusion with orthodontic mini-implants: case reports. RGO, Rev. gaúch. odontol. (Online) [online]. 2016, vol.64, n.3, pp. 327-332. ISSN 1981-8637.
Intraoral skeletal anchorage may be obtained by means of mini-implants that allow simpler and more effective orthodontic biomechanics. These devices have become increasingly popular, particularly because their use requires little cooperation from the patient. Three clinical cases were presented, in which the efficiency of mini-implants for maxillary and mandibular molar intrusion was demonstrated. In all treatments, the authors sought to insert the mini-implants in the vestibular and lingual regions to obtain better torque control of the tooth, thereby avoiding undesirable momentum, rotation and tipping. Therefore, the intrusive forces with a force intensity ranging between 150g and 200g, were obtained by means of chain elastics, always passing through the center of resistance of the molars to be moved. In the cases treated, there was intrusion with over-correction in a mean period of six, and maximum of seven months, thus allowing better rehabilitation of the patient submitted to previous orthodontic treatment, and after conclusion of this phase, good stability of the mechanics used.
Keywords : Dental implantation.; Orthodontics.; Tooth movement..