Association between tooth loss and adherence to oral maintenance in a dental clinic: A retrospective study of more than 20 years.

Int J Dent Hyg

Department of Preventive Oral Health Care Sciences, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan.

Published: August 2024

Objectives: The relationship between adherence to professional oral maintenance visits and tooth loss is generally accepted in periodontal treatment; however, this relationship has not been clarified in general dental practices. We evaluated the effectiveness of adherence to professional maintenance by a retrospective survey in a private practice.

Methods: We retrospectively extracted data of 395 patients in a general dental practice who had been followed for more than 20 years. For comparisons, two patient groups were created based on oral maintenance rates: a high- (≥75%) and a low- (<75%) adherence groups. Additionally, multiple logistic regression analysis for tooth loss was conducted with the same two adherence groups and three adherence groups (<50%, ≥50% and <75% and ≥75%), adjusting with risk factors including sex, age, decayed, missing, and filled teeth (DMFT), periodontal status, smoking status, and diabetes at the beginning of maintenance.

Results: The number of teeth lost and increased DMFT over time were significantly lower in the high-adherence group than in the low-adherence group. Multiple logistic regression analysis for tooth loss in the two adherence groups yielded an odds ratio (95% confidence interval) of 6.50 (3.73-11.32) in the low-adherence group relative to the high-adherence group. Further analysis with the three adherence groups showed highest risk in the low-adherence group and a higher risk in the moderate-adherence group than the high-adherence group.

Conclusions: Patients with high adherence to maintenance schedules for more than 20 years demonstrated significantly less tooth loss. Dental practitioners should promote high adherence to professional maintenance in general dental practices.

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Source
http://dx.doi.org/10.1111/idh.12719DOI Listing

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