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Online ISSN 1827-174X
Vescini F., Morselli Labate A. M., Buffa A., Ripani R., Caudarella R.
Aim. We evaluated whether the number of teeth lost is associated with risk factors for osteoporosis and whether bone mass measurements can add further information.
Methods. A total of 455 healthy women were enrolled. All the subjects filled in a questionnaire on risk factors for osteoporosis. The bone mineral density (BMD) was measured both by dual X-ray absorptiometry (DXA) and quantitative ultrasound measurements (QUS).
Results. On the basis of the questionnaire score 65.1% of the subjects were in the low risk category, 11% in the moderate risk category, 19.3% in the fairly high risk category and 4.6% in the high risk category. Close relationships (P<0.001) were observed between bone mass loss and the questionnaire risk categories. The number of teeth lost significantly increased from normal to osteoporosis groups. High correlations were also found between osteosonographic parameters and the number of teeth lost. Among questionnaire items a significant positive correlation was found only between the number of teeth lost and both age class (P<0.001) and years since menopause (P<0.001). A multiple regression showed that only age class (P<0.001) and ultrasound bone profile index (UBPI) (P=0.041) were independently linked to tooth loss.
Conclusion. The results obtained showed that age is the main determinant of tooth loss and that QUS adds further information in identifying patients at a higher risk of tooth loss.
language: English, Italian