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Risk Factors for Tooth Loss in Patients 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

In this retrospective study, we identified risk factors for tooth loss in patients undergoing mid–long-term maintenance therapy. We surveyed 674 maintenance patients for ≥5 years after active treatment who visited a dental clinic between January 2015 and December 2016. Of these, 265 were men (mean age 54.6 ± 8.0 years old) and 409 were women (mean age 54.0 ± 7.9 years old). Study variables included patient compliance, sex, number of teeth lost, cause of tooth loss (dental caries, periodontal disease, root fracture, others, vital or non-vital teeth), age at start of maintenance, number of remaining teeth at start of maintenance, smoking, use of salivary secretion inhibitors, presence of diabetes mellitus, condition of periodontal bone loss, and use of a removable denture. Most lost teeth were non-vital teeth (91.7% of all cases) and the most common cause of tooth loss was tooth fracture (62.1% of all cases). A statistically significant risk factors for tooth loss was number of remaining teeth at the start of maintenance ( p = 0.003).

Suggested Citation

  • 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.
    • Handle: RePEc:gam:jijerp:v:17:y:2020:i:17:p:6258-:d:405218
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    Cited by:

    1. 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.

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