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Tooth loss and mandibular osteopenia

A Taguchi1, K Tanimoto, Y Suei

  • 1Department of Oral and Maxillofacial Radiology, Hiroshima University, School of Dentistry, Japan.

Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology, and Endodontics
|January 1, 1995
PubMed
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Mandibular bone mass, measured by mandibular cortical width, is linked to tooth loss, particularly in older women. Maintaining teeth may help preserve bone density in females.

Area of Science:

  • Dental Anthropology
  • Gerontology
  • Osteology

Background:

  • Tooth loss is a common issue in aging populations.
  • Mandibular bone mass is crucial for oral health and function.
  • Previous research has explored factors influencing mandibular bone density.

Purpose of the Study:

  • To investigate the relationship between mandibular bone mass and tooth loss in adults without specific confounding conditions.
  • To examine how age, sex, and tooth count correlate with mandibular bone mass.

Main Methods:

  • Panoramic radiographs were used to assess mandibular cortical width in 269 patients.
  • Mandibular bone mass was quantified by measuring the mental region's cortical width.
  • Statistical analyses explored correlations between bone width, age, sex, and the number of teeth present.

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Main Results:

  • No significant correlation was found between tooth count and mandibular cortical width in males.
  • In women aged 70-79, a higher tooth count (≥15) was associated with significantly greater mandibular cortical width.
  • A positive correlation was observed between decreased mandibular bone mass and tooth loss in female subjects.

Conclusions:

  • Tooth loss may contribute to reduced mandibular bone mass, especially in postmenopausal women.
  • Preserving natural dentition could be important for maintaining mandibular bone density in older females.
  • Further research is warranted to understand the causal mechanisms and implications for oral health interventions.