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Erschienen in: Current Osteoporosis Reports 4/2018

30.06.2018 | Craniofacial Skeleton (WE Roberts, Section Editor)

Extra-Alveolar Bone Screws for Conservative Correction of Severe Malocclusion Without Extractions or Orthognathic Surgery

verfasst von: Chris C. H. Chang, Joshua S. Y. Lin, H. Y. Yeh

Erschienen in: Current Osteoporosis Reports | Ausgabe 4/2018

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Abstract

Purpose of Review

Evaluate management of challenging malocclusions conservatively (no extractions or orthognathic surgery).

Recent Findings

Most malocclusions have a predominately environmental etiology. Optimal esthetics and function are restored by aligning the dentition over the apical base of bone at the appropriate vertical dimension of occlusion (VDO). Extra-alveolar (E-A) anchorage is achieved at three intraoral sites: mandibular buccal shelf (MBS), infrazygomatic crest (IZC), and anterior ramus. MBS and IZC bone screws effectively anchor the conservative correction of severe dental and skeletal malocclusions. All bone screw sites are effective for anchoring lever arms to recover impacted teeth. Rather than extracting teeth, E-A anchorage corrects crowding by retracting the posterior segments to increase arch length. Skeletal malocclusion is corrected by aligning teeth over the apical base of bone and restoring the VDO by retracting and posteriorly rotating the dental arches as segments.

Summary

Challenging dental and skeletal malocclusions can be treated routinely via determinate mechanics anchored with E-A bone screws.
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Metadaten
Titel
Extra-Alveolar Bone Screws for Conservative Correction of Severe Malocclusion Without Extractions or Orthognathic Surgery
verfasst von
Chris C. H. Chang
Joshua S. Y. Lin
H. Y. Yeh
Publikationsdatum
30.06.2018
Verlag
Springer US
Erschienen in
Current Osteoporosis Reports / Ausgabe 4/2018
Print ISSN: 1544-1873
Elektronische ISSN: 1544-2241
DOI
https://doi.org/10.1007/s11914-018-0465-5

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