Document Detail

Longitudinal evaluation of condylar position in extraction and nonextraction treatment.
MedLine Citation:
PMID:  1951194     Owner:  NLM     Status:  MEDLINE    
In 111 patients pretreatment and posttreatment condylar position was evaluated with corrected tomograms taken with the mandible in centric occlusion. Seventy-nine of the patients were treated by nonextraction procedures and 32 were treated by extraction procedures, 27 of the patients with the extraction of one or more premolars and 5 with the extraction of one or more anterior teeth. When the condylar positions before and after treatment were compared in the entire sample of 111 patients, in the nonextraction patients, in the extraction patients, and in extraction patients relative to nonextraction patients, no statistically significant differences were found. Thus condylar position was stable during treatment and did not behave differently under extraction and nonextraction conditions. On an individual basis, condylar retropositioning, as defined in this study, occurred in only nine of the 222 joints examined and was noted in patients treated both with and without extraction.
A A Gianelly; C K Anderson; J Boffa
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  American journal of orthodontics and dentofacial orthopedics : official publication of the American Association of Orthodontists, its constituent societies, and the American Board of Orthodontics     Volume:  100     ISSN:  0889-5406     ISO Abbreviation:  Am J Orthod Dentofacial Orthop     Publication Date:  1991 Nov 
Date Detail:
Created Date:  1991-12-16     Completed Date:  1991-12-16     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  8610224     Medline TA:  Am J Orthod Dentofacial Orthop     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  416-20     Citation Subset:  D; IM    
Boston University School of Graduate Dentistry, Mass.
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MeSH Terms
Dental Occlusion, Centric
Extraoral Traction Appliances
Longitudinal Studies
Malocclusion / pathology,  therapy
Mandibular Condyle / pathology*
Serial Extraction*
Temporal Bone / pathology
Temporomandibular Joint / pathology

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