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Restoration of the worn dentition

Kapitel i bok
Författare Anders Johansson
Ann-Katrin Johansson
Ridwaan Omar
Gunnar E Carlsson
Publicerad i Paesani DA, editor: Bruxism. Theory and practice
Sidor 415-438
ISBN 978-1-85097-191-7
Publiceringsår 2010
Publicerad vid Institutionen för odontologi
Sidor 415-438
Språk en
Ämnesord abrasion, attrition, Dahl concept, erosion, tooth wear, restorative materials
Ämneskategorier Oral protetik


Tooth wear is a multifactorial process, which can make it difficult to identify a single cause at the individual patient level. Its progress is usually slow which characterizes it as a physiologic condition; when it threatens tooth survival or is of concern to the patient it may be regarded as pathologic. Recognition of the early signs of wear, and especially erosion, could bring about timely prevention and improve the lifespan of teeth. The most obvious feature of wear is shortened clinical crowns, generally accompanied by dentoalveolar compensation. This may complicate definitive conventional rehabilitation, although research, newer technologies and materials offer broader possibilities for rationalization of treatment modalities. Restoration of worn teeth will be needed in only some patients and the measures with which need for treatment is assessed is one of the keys to successful outcomes. In broad terms, the decision to treat or not should be guided by the patient’s stated and/or perceived need, the severity of the wear as determined by morphological changes and the potential for progression in the context of the patient’s age. The decision will in most cases be tempered by the generally complex and expensive nature of rehabilitation of the worn dentition and the known risks of biomechanical failures. The striking lack of evidence regarding long-term outcome of restorative treatment of tooth wear using different methods and materials also calls for caution in decision-making.

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