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Risk Factors for Tooth Loss in Patients with ≥25 Remaining Teeth Undergoing Mid-Long-Term Maintenance: A Retrospective Study

Author

Listed:
  • Hiroo Kawahara

    (Department of Stomatognathic Function and Occlusal Reconstruction, Graduate School of Biomedical Sciences, Tokushima University, 3-18-15 Tokushima, Tokushima 770-8504, Japan
    Kawahara Dental Clinic, 1-128 Muneshige, Mima, Tokushima 771-2104, Japan)

  • Miho Inoue

    (Department of Stomatognathic Function and Occlusal Reconstruction, Graduate School of Biomedical Sciences, Tokushima University, 3-18-15 Tokushima, Tokushima 770-8504, Japan)

  • Kazuo Okura

    (Department of Stomatognathic Function and Occlusal Reconstruction, Graduate School of Biomedical Sciences, Tokushima University, 3-18-15 Tokushima, Tokushima 770-8504, Japan)

  • Masamitsu Oshima

    (Department of Stomatognathic Function and Occlusal Reconstruction, Graduate School of Biomedical Sciences, Tokushima University, 3-18-15 Tokushima, Tokushima 770-8504, Japan)

  • Yoshizo Matsuka

    (Department of Stomatognathic Function and Occlusal Reconstruction, Graduate School of Biomedical Sciences, Tokushima University, 3-18-15 Tokushima, Tokushima 770-8504, Japan)

Abstract

Tooth loss represents a diffused pathologic condition affecting the worldwide population. Risk factors have been identified in both general features (smoking, diabetes, economic status) and local tooth-related factors (caries, periodontitis). In this retrospective study, we examined the data of 366 patients with a large number of remaining teeth (≥25) undergoing maintenance therapy in order to identify specific risk factors for tooth loss. The number of remaining teeth, number of non-vital teeth, and number of occlusal units were investigated for their correlation with tooth loss. The mean follow-up of patients was 9.2 years (range 5 to 14). Statistically significant risk factors for tooth loss were identified as number of remaining teeth at baseline ( p = 0.05), number of occlusal units ( p = 0.03), and number of non-vital teeth in posterior regions ( p < 0.001). Multiple logistic regression showed that the number of occlusal units and number of non-vital teeth in the posterior regions were significantly associated with a greater risk of tooth loss (odds ratio 1.88 and 3.17, respectively). These results confirm that not only the number of remaining teeth, but also their vital or non-vital status and the distribution between the anterior and posterior regions influence the long-term survival.

Suggested Citation

  • Hiroo Kawahara & Miho Inoue & Kazuo Okura & Masamitsu Oshima & Yoshizo Matsuka, 2021. "Risk Factors for Tooth Loss in Patients with ≥25 Remaining Teeth Undergoing Mid-Long-Term Maintenance: A Retrospective Study," IJERPH, MDPI, vol. 18(13), pages 1-8, July.
    • Handle: RePEc:gam:jijerp:v:18:y:2021:i:13:p:7174-:d:588465
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    References listed on IDEAS

    as
    1. Hiroo Kawahara & Miho Inoue & Kazuo Okura & Masamitsu Oshima & Yoshizo Matsuka, 2020. "Risk Factors for Tooth Loss in Patients Undergoing Mid-Long-Term Maintenance: A Retrospective Study," IJERPH, MDPI, vol. 17(17), pages 1-11, August.
    2. Camilla Preda & Andrea Butera & Silvia Pelle & Eleonora Pautasso & Alessandro Chiesa & Francesca Esposito & Giacomo Oldoini & Andrea Scribante & Anna Maria Genovesi & Saverio Cosola, 2021. "The Efficacy of Powered Oscillating Heads vs. Powered Sonic Action Heads Toothbrushes to Maintain Periodontal and Peri-Implant Health: A Narrative Review," IJERPH, MDPI, vol. 18(4), pages 1-17, February.
    3. Pier Carmine Passarelli & Stefano Pagnoni & Giovan Battista Piccirillo & Viviana Desantis & Michele Benegiamo & Antonio Liguori & Raffaele Papa & Piero Papi & Giorgio Pompa & Antonio D’Addona, 2020. "Reasons for Tooth Extractions and Related Risk Factors in Adult Patients: A Cohort Study," IJERPH, MDPI, vol. 17(7), pages 1-12, April.
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