Document Detail

Spontaneous changes in the rotation of premolar teeth from eruption until the established dentition.
MedLine Citation:
PMID:  1748187     Owner:  NLM     Status:  MEDLINE    
The aim of this study was to investigate whether the rotation of teeth changed from the point of eruption until the established dentition. The first 50 cases with adequate records enrolled in the Belfast Growth Study were selected, and the premolar rotation was measured at the point of eruption and again at age 15 in the established dentition. All premolars in a quadrant with early loss of the deciduous predecessors, early loss of the first permanent molars or absence of premolars, were disregarded. The results showed that the second premolars in both the upper and lower arches which erupted rotated had a tendency to improve over the observed period. Upper and lower first premolars which erupt rotated show the same tendency to improve, but to a lesser extent and less frequently than the second premolars. There seemed to be cases where a premolar deteriorated over the period, especially the first premolars.
R E McMullan; A Richardson
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  European journal of orthodontics     Volume:  13     ISSN:  0141-5387     ISO Abbreviation:  Eur J Orthod     Publication Date:  1991 Oct 
Date Detail:
Created Date:  1992-01-17     Completed Date:  1992-01-17     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  7909010     Medline TA:  Eur J Orthod     Country:  SCOTLAND    
Other Details:
Languages:  eng     Pagination:  392-6     Citation Subset:  D; IM    
Orthodontic Department, School of Dentistry, Royal Victoria Hospital, Belfast.
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MeSH Terms
Bicuspid / physiology*
Time Factors
Tooth Eruption / physiology*
Tooth Mobility / physiopathology

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

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