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Observational Study
. 2024 May;51(5):583-595.
doi: 10.1111/jcpe.13943. Epub 2024 Feb 26.

Tooth loss during supportive periodontal care: A prospective study

Fatemah Hasan  1 , Antonio Magan-Fernandez  1   2 , Aliye Akcalı  3   4 , Chuanming Sun  5 , Nikos Donos  4 , Luigi Nibali  1
Affiliations
Observational Study

Tooth loss during supportive periodontal care: A prospective study

Fatemah Hasan et al. J Clin Periodontol. 2024 May.

Abstract

Aim: To assess periodontal stability and the association between tooth- and patient-related factors and tooth loss during supportive periodontal care (SPC).

Materials and methods: A prospective observational study was carried out on previously treated periodontitis patients followed up for 5 years in SPC. The risk profile (low, moderate, high) of each patient based on periodontal risk assessment (PRA) scoring at baseline was evaluated, and tooth loss rates were analysed.

Results: Two hundred patients were included in the study, and 143 had 5-year follow-up data available for analysis. The overall annual tooth loss per patient was 0.07 ± 0.14 teeth/patient/year. Older age, smoking, staging and grading were associated with increased tooth loss rates. Most patients whose teeth were extracted belonged to the PRA high-risk group. Both PRA and a tooth prognosis system used at baseline showed high negative predictive value but low positive predictive value for tooth loss during SPC.

Conclusions: Overall, the tooth loss rate of periodontitis patients in this prospective cohort study under SPC in private practice was low. Both tooth-based and patient-based prognostic systems can identify high-risk cases, but their positive predictive value should be improved.

Keywords: maintenance; periodontitis; prognosis; progression; tooth loss.

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