Document Detail


Bilateral asymmetry in the tooth relationships of orthodontic patients.
MedLine Citation:
PMID:  17685774     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
OBJECTIVE: To quantify the nature and extent of bilateral dentoalveolar asymmetries in routine adolescent orthodontic patients. MATERIALS AND METHODS: Eight left-right pairs of occlusal dimensions were measured from dental casts (n=211 subjects) with proportionate samples of class I, II, and III malocclusions. RESULTS: Directional asymmetry is a subtle, but pervasive feature of the dental arches, with systematically larger dimensions on the left side. Prior studies attribute this sidedness to compensations for hemispheric laterality. Patient's sex did not influence the magnitude of asymmetry, but patients with class II malocclusion exhibited significantly greater asymmetries, particularly in the anterior segment. Inspection suggests that this is attributable to the lack of coupling and guidance of the teeth between the jaws. There is a significant association between the severity of class II buccal-segment relationship and the extent of left-right asymmetries. CONCLUSION: Clinically, these lateralities need to be anticipated, particularly in class II malocclusions, and incorporated into the treatment plan.
Authors:
Edward F Harris; Katherine Bodford
Related Documents :
21651504 - Implementation of a new csf dynamic device: a multicenter feasibility study in 562 pati...
299664 - Cervical myelography by lateral cervical and lumbar injection of metrizamide. a compari...
9085284 - Corpectomy for multi-level cervical spondylosis and ossification of the posterior longi...
20427824 - Curve length, curve form, and location of lower-end vertebra as a means of identifying ...
2795564 - Value of repeat cytology at the time of colposcopy for the evaluation of cervical intra...
23211144 - Diplopia and visual impairment as presenting symptoms of shunt failure in association w...
Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  The Angle orthodontist     Volume:  77     ISSN:  0003-3219     ISO Abbreviation:  Angle Orthod     Publication Date:  2007 Sep 
Date Detail:
Created Date:  2007-08-09     Completed Date:  2007-10-29     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0370550     Medline TA:  Angle Orthod     Country:  United States    
Other Details:
Languages:  eng     Pagination:  779-86     Citation Subset:  D; IM    
Affiliation:
Department of Orthodontics, University of Tennessee, Memphis 38163, USA. eharris@utmem.edu
Export Citation:
APA/MLA Format     Download EndNote     Download BibTex
MeSH Terms
Descriptor/Qualifier:
Adolescent
Adult
Analysis of Variance
Cephalometry
Child
Dental Arch / pathology*
Dental Models
Facial Asymmetry / complications,  pathology*
Female
Functional Laterality
Humans
Male
Malocclusion / complications,  pathology*
Sex Factors

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


Previous Document:  Microbiological evaluation of 0.2% chlorhexidine gluconate mouth rinse in orthodontic patients.
Next Document:  Incisal and soft tissue effects of maxillary premolar extraction in class II treatment.