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Teeth

Teeth

The formation of teeth, also known as odontogenesis, is a complex process that begins in utero, around the sixth week of embryonic development. There are three stages to this process: the bud stage, the cap stage, and the bell stage.
In the bud stage, the tooth germ (an aggregation of cells) starts to form in the developing jawbone. During the cap stage, the tooth germ differentiates into enamel organ, dental papilla, and dental sac, which will later develop into the tooth's enamel, dentin...

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Recommendations for third molar removal: a practice-based cohort study.

Joana Cunha-Cruz¹, Marilynn Rothen, Charles Spiekerman

¹Joana Cunha-Cruz and Charles Spiekerman are with the Department of Oral Health Sciences, Marilynn Rothen is with the Regional Clinical Dental Research Center, Mark Drangsholt is with the Department of Oral Medicine, and Greg J. Huang is with the Department of Orthodontics, School of Dentistry, University of Washington, Seattle. Lyle McClellan is with the Willamette Dental Group, Spokane, WA.

American Journal of Public Health

|February 15, 2014

Summary

General dentists often recommend third molar removal to prevent future issues, not just for current problems. Patient adherence to these recommendations varied, influenced by factors like insurance availability.

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Area of Science:

Dentistry
Oral Surgery

Background:

Third molar (wisdom tooth) management is a common dental procedure.
Understanding dentists' rationale and patient compliance is crucial for effective treatment planning.

Purpose of the Study:

To investigate general dentists' reasons for recommending third molar removal or retention.
To assess patient adherence to dentists' third molar recommendations.

Main Methods:

A 2-year prospective cohort study involving 801 patients (aged 16-22) from 50 general dental practices.
Generalized estimating equations logistic regressions were used to analyze factors influencing recommendations and adherence.

Main Results:

General dentists recommended removal of 1683 third molars, primarily for preventive reasons (79%) or due to unfavorable orientation/eruption (57%).
Retention was recommended for 1244 third molars, often because it was too early to decide (73%) or eruption conditions were favorable.
Patient adherence to removal recommendations was 55%, significantly influenced by insurance availability (88%).

Conclusions:

General dentists frequently recommend third molar removal for prophylactic reasons, independent of existing symptoms or pathology.
Patient adherence to third molar removal recommendations is moderate and linked to practical considerations such as insurance coverage.