| A novel approach in treatment of maxillary deficiency by reverse chin cup. | |
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MedLine Citation:
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PMID: 20687313 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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The aim of this study was to evaluate the effectiveness of a newly designed small-sized extraoral appliance on Class III malocclusion and maxillary deficiency in growing patients. The case series included 10 patients (4 males, 6 females) with a mean age of 8.9 +/- 1.72 years who suffered from maxillary deficiency. All the patients were treated with an extra oral appliance which was named as reverse chin cup. This appliance consisted of a high pull cap, a chin cup with two vertical hooks, a removable appliance on the upper jaw, and two elastics which connected the hooks of the cup to the hooks of the removable appliance. The mean treatment time was 24 +/- 9 months. Mean SNA and ANB were significantly increased by 3.1 degrees +/- 1.6 degrees and 3.5 degrees +/- 1.7 degrees, respectively (p<0.001). The level of significance was set at P<0.05. The increase of SNA angle and ANS-PNS distance (p<0.001) and the decrease of nasolabial angle (P<0.004) indicated that the reverse chin cup was effective in moving the maxilla in a forward position. Moreover, the smaller size of this appliance makes it more favorable for patients. |
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Authors:
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Rahman Showkatbakhsh; A Jamilian |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: International journal of orthodontics (Milwaukee, Wis.) Volume: 21 ISSN: 1539-1450 ISO Abbreviation: Int J Orthod Milwaukee Publication Date: 2010 |
Date Detail:
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Created Date: 2010-08-06 Completed Date: 2010-09-14 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101147228 Medline TA: Int J Orthod Milwaukee Country: United States |
Other Details:
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Languages: eng Pagination: 27-31 Citation Subset: D |
Affiliation:
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School of Dentistry, Shahid Beheshti Medical Sciences University. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Cephalometry
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methods Child Extraoral Traction Appliances* Female Follow-Up Studies Humans Lip / pathology Male Malocclusion, Angle Class III / therapy* Mandible / pathology Maxilla / abnormalities*, pathology Nasal Bone / pathology Orthodontic Appliance Design* Orthodontic Appliances, Removable Retrospective Studies Sella Turcica / pathology Time Factors |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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