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Micro-implant Anchorage in Adults with Type of Open Bite Treatment

Author: SongLei
Tutor: QuHong
School: Dalian Medical University
Course: Clinical Stomatology
Keywords: Adult Bone -type open bite Micro- implants Anchorage Down molars
CLC: R783.5
Type: Master's thesis
Year: 2011
Downloads: 27
Quote: 0
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Abstract


Objective : To investigate the micro- implant anchorage in adult bone type open bite treatment process down molars clinical results. Methods: Dental Clinic in 2008 , Dr. Dalian admitted to adult severe bone type open bite patients with one case . Female , age 21 years ; maximum anterior open bite at 8mm, open bite range 16-26/36-46 , bony III degree open bite ; molars for the past relations , narrow upper arch , lower arch large, posterior occlusal edge was right ; former alveolar hypoplasia , alveolar development after excessive downward after mandibular rotation, reverse Spee curve ; mandibular midline misalignment . Credited model before and after treatment , cephalometric measurements films, observed molar volume down , anterior overbite , coverage, molar relationship , face lower 1/ 3 height. Full mouth straight wire fixed appliance and maxillary molar buccal , palatal sides of the mandibular molar buccal implantable micro- implants as anchorage down molars , upper and lower front teeth recovered , thereby reducing the vertical height of the posterior region , increasing ago dental overbite , open bite lift , correct mouth breathing bad habits to achieve good clinical results. Results: The treatment course of 26 months. Full dentition arranged in neat rows , the upper and lower anterior open bite lifted , the gap closed ; establish a normal overbite , covering relations ; maxillary molars down 2.5mm, mandibular molars down 1.5mm; upper and lower front teeth adduction , anterior overbite deepened ; upper and lower incisor protrusion distance , protrusion reduction ; right molar relationship is neutral , neutral remote left molar relations ; posterior teeth were on edge occlusion ; jaw forward on the counter-clockwise , below 1 /3 of the height reduction . Conclusions : 1. Through this case micro- implant anchorage can be drawn perpendicular to receive orthodontic force . (2) in order to suppress the micro- implants as anchorage teeth, correction of skeletal open bite for good clinical results. 3 micro- implants as anchorage -dependent patients without co- degrees . 4 micro- implant anchorage can be an effective treatment requires surgery or critical part of the difficult cases.

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CLC: > Medicine, health > Oral Sciences > Oral orthotics > Journal of Orthodontics
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