Theories that Underlie the Prevalence of Third Molar Impaction: New Theory
Journal Title: IOSR Journal of Dental and Medical Sciences (IOSR-JDMS) - Year 2018, Vol 17, Issue 10
Abstract
Purpose: The purpose of this comprehensive review was to introduce a new theory to explain the increased prevalence of impacted third molar. Hypothesis: The new theory being the mechanical theory which hypothesizes that modernization is related to a reduction in the functional activities of the jaw which in turn negatively impacted the structure of the jaw, mandibular teeth line. Materials and Methods: A comprehensive review of the literature on the theories that explained the prevalence of tooth impactions was conducted, using a PubMed and Cochrane databases. Results and Discussion: Based on the information that were reviewed, it was found that two theories that explained the prevalence of third molar impactions; being the evolution and growth theories. However, it was noticeable that modern societies possess higher prevalence of third molar tooth impaction and temporomandibular joint dysfunction. During the transition, from a traditional society to a modern one, societal factors and peoples’ quality of life changes people’s eating behavior and the associated activities of the mastication apparatus, hence, all contributed to reduction of the jaw activities. Conclusions: The proposed mechanical theory is an added value to explain the impact of modernization on the prevalence of impacted third molar.
Authors and Affiliations
Alhanouf Alkhuraiji, AfrahAlkhuraiji Ph. D, Al-Said Haffor Ph. D
Keywords
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- EP ID EP402584
- DOI 10.9790/0853-1710095456.
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