Serveur d'exploration sur le patient édenté

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Occlusal stability in shortened dental arches.

Identifieur interne : 008689 ( Main/Exploration ); précédent : 008688; suivant : 008690

Occlusal stability in shortened dental arches.

Auteurs : D J Witter [Pays-Bas] ; N H Creugers ; C M Kreulen ; A F De Haan

Source :

RBID : pubmed:11332527

Descripteurs français

English descriptors

Abstract

Shortened dental arches consisting of anterior and premolar teeth have been shown to meet oral functional demands. However, the occlusal stability may be at risk as a result of tooth migration. The aim of this nine-year study was to investigate occlusal stability in shortened dental arches as a function over time. Occlusal stability indicators were: 'interdental spacing', 'occlusal contacts of anterior teeth in Intercuspal Position', 'overbite', 'occlusal tooth wear', and 'alveolar bone support'. Subjects with shortened dental arches (n = 74) were compared with subjects with complete dental arches (controls, n = 72). Repeated-measurement regression analyses were applied to assess age-dependent variables in the controls and to relate the occlusal changes to the period of time since the treatment that led to the shortened dental arches. Compared with complete dental arches, shortened dental arches had similar overbite and occlusal tooth wear. They showed more interdental spacing in the premolar regions, more anterior teeth in occlusal contact, and lower alveolar bone scores. Since the differences remained constant over time, we conclude that shortened dental arches can provide long-term occlusal stability. Occlusal changes were self-limiting, indicating a new occlusal equilibrium.

DOI: 10.1177/00220345010800020601
PubMed: 11332527


Affiliations:


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Le document en format XML

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<term>Case-Control Studies</term>
<term>Dental Arch (physiopathology)</term>
<term>Dental Occlusion</term>
<term>Female</term>
<term>Follow-Up Studies</term>
<term>Humans</term>
<term>Jaw, Edentulous, Partially (complications)</term>
<term>Jaw, Edentulous, Partially (physiopathology)</term>
<term>Logistic Models</term>
<term>Male</term>
<term>Malocclusion (etiology)</term>
<term>Tooth Attrition (etiology)</term>
<term>Tooth Migration</term>
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<term>Adulte</term>
<term>Analyse de variance</term>
<term>Arcade dentaire (physiopathologie)</term>
<term>Attrition dentaire (étiologie)</term>
<term>Femelle</term>
<term>Humains</term>
<term>Malocclusion dentaire (étiologie)</term>
<term>Migration dentaire</term>
<term>Modèles logistiques</term>
<term>Mâchoire partiellement édentée ()</term>
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<div type="abstract" xml:lang="en">Shortened dental arches consisting of anterior and premolar teeth have been shown to meet oral functional demands. However, the occlusal stability may be at risk as a result of tooth migration. The aim of this nine-year study was to investigate occlusal stability in shortened dental arches as a function over time. Occlusal stability indicators were: 'interdental spacing', 'occlusal contacts of anterior teeth in Intercuspal Position', 'overbite', 'occlusal tooth wear', and 'alveolar bone support'. Subjects with shortened dental arches (n = 74) were compared with subjects with complete dental arches (controls, n = 72). Repeated-measurement regression analyses were applied to assess age-dependent variables in the controls and to relate the occlusal changes to the period of time since the treatment that led to the shortened dental arches. Compared with complete dental arches, shortened dental arches had similar overbite and occlusal tooth wear. They showed more interdental spacing in the premolar regions, more anterior teeth in occlusal contact, and lower alveolar bone scores. Since the differences remained constant over time, we conclude that shortened dental arches can provide long-term occlusal stability. Occlusal changes were self-limiting, indicating a new occlusal equilibrium.</div>
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