Third molars in orthodontics and its controversies.
Journal Title: International Journal of Dental Science and Innovative Research (IJDSIR) - Year 2019, Vol 2, Issue 2
Abstract
Presence or absence of third molars is genetically predetermined and that the etiology for the eruption or impaction of third molars appears to be multifactorial. Literature review reveals numerous theories and postulates regarding the third molars. However, its role in orthodontic therapy is unclear and evasive. Thus the aim of this study was to present a contemporary mini-review of literature so as to extrapolate if third molars do really have an impact on orthodontic treatment. Internationally peer reviewed and indexed referenced articles dealing with third molar eruption and impaction and their effects on orthodontic diagnosis and treatment planning were segregated and perused. Evidence gleaned was inconclusive as to whether third molars are the main causative factors of anterior crowding or that prophylactic extractions may ameliorate impactions. However, it was deemed mandatory that impacted third molars be extracted or extraction of the same be advocated as a routine protocol procedure prior to orthognathic surgery. It was also undeniable that certain pertinent risk factors played a vital role in its eruption and impaction. This mini review has attempted to look into a few pertinent issues regarding third molar eruption/impaction and its impact on orthodontic treatment planning. Clear scientific evidence is still lacking in pinpointing the role of third molars in mandibular anterior crowding or whether extractions of premolars or molars would prevent impactions. Exhaustive systematic review would definitely help us in finding answers to these elusive issues in the near future.
Authors and Affiliations
Dr. A. Arif Yezdani
Keywords
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