Dental treatments, tooth extractions, and osteonecrosis of the jaw in Japanese patients with rheumatoid arthritis: results from the IORRA cohort study

Takefumi Furuya, Shigeru Maeda, Shigeki Momohara, Atsuo Taniguchi, Hisashi Yamanaka

Research output: Contribution to journalArticle

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Abstract

This study aimed to evaluate dental treatments, tooth extractions, and osteonecrosis of the jaw (ONJ) in Japanese patients with rheumatoid arthritis (RA). Patients with RA enrolled in our cohort completed self-administered questionnaires, which included questions regarding their dental treatments, tooth extractions by dentists during the past 6 months, and past history of ONJ. The history of ONJ was validated with the patients’ medical records. Logistic regression was used to determine the association of variables with dental treatments and tooth extractions during the past 6 months. Among 5695 Japanese patients with RA who responded to the questionnaires (mean age, 61.0 years; 85.6 % female), 2323 patients (40.8 %) and 378 patients (6.6 %) reported having had dental treatments and tooth extractions performed by a dentist within the past 6 months, respectively. In multivariate models, advanced age was significantly (P <0.0001) associated with both dental treatments and tooth extractions during the prior 6-month period, and ever smoking was significantly (P = 0.023) correlated with tooth extractions during that time. Among patients who reported a history of ONJ, we confirmed five cases of ONJ with patient medical records. The prevalence of ONJ was 0.094 % among all RA patients and 0.26 % among female RA patients ≥65 years of age (n = 1888). Our data suggest that more than a few Japanese patients with RA have dental complications that require care by dentists, and that Japanese rheumatologists and dentists should cooperate to improve dental health in patients with RA.

Original languageEnglish
Pages (from-to)1-7
Number of pages7
JournalJournal of Bone and Mineral Metabolism
DOIs
Publication statusAccepted/In press - Jul 2 2016

Fingerprint

Tooth Extraction
Osteonecrosis
Jaw
Rheumatoid Arthritis
Tooth
Cohort Studies
Dentists
Therapeutics
Medical Records
Logistic Models

Keywords

  • Dental health
  • Japanese
  • Medication-related osteonecrosis of the jaw (MRONJ)
  • Rheumatoid arthritis
  • Tooth extraction

ASJC Scopus subject areas

  • Endocrinology
  • Endocrinology, Diabetes and Metabolism
  • Orthopedics and Sports Medicine

Cite this

Dental treatments, tooth extractions, and osteonecrosis of the jaw in Japanese patients with rheumatoid arthritis : results from the IORRA cohort study. / Furuya, Takefumi; Maeda, Shigeru; Momohara, Shigeki; Taniguchi, Atsuo; Yamanaka, Hisashi.

In: Journal of Bone and Mineral Metabolism, 02.07.2016, p. 1-7.

Research output: Contribution to journalArticle

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