Proximal attrition facets: morphometric, demographic, and aging characteristics

Although interproximal attrition is considered to be limited in modern populations, it has important clinical implications. However, in contrast to occlusal attrition, proximal attrition receives limited scientific attention. The main purpose of the current study was to fill this void. Seven‐hundred...

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Bibliographic Details
Published in:European journal of oral sciences 2014-08, Vol.122 (4), p.271-278
Main Authors: Sarig, Rachel, Hershkovitz, Israel, Shvalb, Nir, Sella-Tunis, Tatiana, May, Hila, Vardimon, Alexander D.
Format: Article
Language:English
Subjects:
Adolescent
Adult
African Americans
Age Factors
Aged
attrition facet
Bicuspid - pathology
Cohort Studies
dental wear
Dentistry
European Continental Ancestry Group
Female
Humans
Male
Middle Aged
Molar - pathology
occlusal attrition
Odontometry - methods
Photography, Dental - methods
Sex Factors
Tooth Attrition - pathology
Tooth Crown - pathology
Young Adult
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Summary:Although interproximal attrition is considered to be limited in modern populations, it has important clinical implications. However, in contrast to occlusal attrition, proximal attrition receives limited scientific attention. The main purpose of the current study was to fill this void. Seven‐hundred and sixty‐five teeth were collected from 255 skulls of subjects 18–75 yr of age. For each individual, three mandibular teeth (the first and second premolars and the first molar) were examined for proximal attrition facets (PAFs). The results provide detailed information on the size, shape, and location of the facets according to age cohort, gender, and ethnicity. The validity of the method used to measure the facets was also examined. The major findings were as follows: PAFs are usually located on the upper half of the crown proximal aspect; in each tooth, the mesial facet is more lingually positioned and the distal facet is more buccally positioned; the majority of the facets are subrectangular in shape; the size of the facets tends to increase in an anteroposterior direction (from premolars to molars); and facet size and location are age‐ and sex‐dependent and ethnicity‐independent. It is our recommendation that dentists bear in mind that interproximal attrition is a dynamic, long‐term process and needs to be considered in many clinical scenarios.
ISSN:0909-8836
1600-0722
DOI:10.1111/eos.12135