In Vitro Assessment of Dimensional Alterations of Worn Human Incisors
Journal Title: PARIPEX-Indian Journal of Research - Year 2015, Vol 4, Issue 10
Abstract
Tooth wear is recognized as an increasing clinical problem due to increases in life expectancy and the duration of tooth retention. The aim of this study was to assess various methods for evaluating dimensional changes in worn human incisors over different time periods. In total, 100 extracted human incisors were divided into two groups, termed “enamel” and “enamel-dentin.” The incisal edges of the teeth were abraded gradually four successive times in a specially modified mechanical two-body surface grinder. Before and after each grinding, the dimensional changes in the teeth were evaluated by an ultrasonic system, digital radiography, digital photography, and digital modeling. Digital micrometer was used as the control method. Control method and ultrasonic system were able to diagnose worn enamel accurately and reproducibly in both the laboratory and clinical practice over different time periods to a depth of 50μm (p<0.01). Digital radiography, digital photography, and digital modeling methods could only diagnose dimensional differences at 100μm or greater (p>0.05). As a non-destructive, sensitive and accurate method ultrasonic system seems to be a promising diagnostic tool for measuring early stages of tooth wear and tracking dimensional changes.
Authors and Affiliations
Bora Korkut, Funda Yanikoglu, Dilek Tagtekin
Keywords
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