Third molars and dental crowding: different opinions of orthodontists and oral surgeons among Italian practitioners.

Authors:
Dr Valentina Lanteri, DDS, MS, PhD
Dr Valentina Lanteri, DDS, MS, PhD
University of Milano Department of Biomedical, Surgical and Dental Sciences, Unit of Orthodontics and Pediatric Dentistry School of Dentistry
Post Doc Researcher
Orthodontics, Paediatric Dentistry
Milano | Italy

Prog Orthod 2014 Nov 22;15:60. Epub 2014 Nov 22.

Background: The role of third molars as a cause of incisor crowding, especially in the lower arch, continues to be controversial. The aim of this work is to compare opinions of Italian oral surgeons and orthodontists on this topic.

Methods: One hundred ninety-three Italian practitioners of the Society of Orthodontics (SIDO) and the Italian Society of Oral Surgery (SICOI) were asked to fill out an online questionnaire made up of six questions. Practitioners were asked to express their opinion on the relation between upper and lower third molar eruption and anterior crowding.

Results: One hundred sixty-six members of both societies completed the online research survey; response rate (RR) was 86%. There were no statistically significant differences between the two groups (P > 0.005). Both agree not to believe that third molars create a force responsible for anterior crowding in the upper (82.5% orthodontists, 83.8% surgeons) and in the lower arch (52.6% orthodontists, 63.8% surgeons). Both agree also not to consider the upper (89.7% orthodontists, 82.1% surgeons) and lower (58.8% orthodontists, 63.2% surgeons) third molar extraction useful to prevent crowding.

Conclusions: Italian orthodontists and oral surgeons have the same opinion on the role of the third molar in causing anterior crowding. The majority of both groups of clinicians do not consider their preventive extraction useful in order to prevent anterior crowding.

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Source
http://dx.doi.org/10.1186/s40510-014-0060-yDOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4240869PMC
November 2014
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