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QJM. 2014 Oct;107(10):805-12. doi: 10.1093/qjmed/hcu078. Epub 2014 Apr 10.

Periodontal disease with treatment reduces subsequent cancer risks.

Author information

1
From the Department of Medical Imaging and Radiology, Shu-Zen Junior College of Medicine and Management, Department of Radiation Oncology, Zuoying Branch of Kaohsiung Armed Forces General Hospital, Kaohsiung, Management Office for Health Data; China Medical University Hospital, Department of Oral and Maxillofacial Surgery, Buddhist Tzu Chi General Hospital, Taichung Branch, Department of Nuclear Medicine and PET Center, China Medical University Hospital and Graduate Institute of Clinical Medicine Science and School of Medicine, College of Medicine, China Medical University, Taichung, Taiwan.
2
From the Department of Medical Imaging and Radiology, Shu-Zen Junior College of Medicine and Management, Department of Radiation Oncology, Zuoying Branch of Kaohsiung Armed Forces General Hospital, Kaohsiung, Management Office for Health Data; China Medical University Hospital, Department of Oral and Maxillofacial Surgery, Buddhist Tzu Chi General Hospital, Taichung Branch, Department of Nuclear Medicine and PET Center, China Medical University Hospital and Graduate Institute of Clinical Medicine Science and School of Medicine, College of Medicine, China Medical University, Taichung, Taiwan From the Department of Medical Imaging and Radiology, Shu-Zen Junior College of Medicine and Management, Department of Radiation Oncology, Zuoying Branch of Kaohsiung Armed Forces General Hospital, Kaohsiung, Management Office for Health Data; China Medical University Hospital, Department of Oral and Maxillofacial Surgery, Buddhist Tzu Chi General Hospital, Taichung Branch, Department of Nuclear Medicine and PET Center, China Medical University Hospital and Graduate Institute of Clinical Medicine Science and School of Medicine, College of Medicine, China Medical University, Taichung, Taiwan d10040@mail.cmuh.org.tw.

Abstract

AIM:

The aim of our study was to evaluate the relationship between routine treatment of periodontal disease (PD) and the subsequent risks for cancers in Taiwan.

METHODS:

Study participants were selected from the Taiwan National Health Insurance (NHI) system database. The PD with a routine treatment cohort contained 38 902 patients. For each treatment cohort participant, two age- and sex-matched comparison (control) cohort participants were randomly selected. Cox's proportional hazards regression analysis was used to estimate the effects of PD with treatment on the subsequent risk of cancer.

RESULTS:

The overall risk of developing cancer was significantly lower in the treatment cohort than in the patients without treatment (adjusted Hazard ratio = 0.72, 95% confidence interval = 0.68-0.76). The risks of developing most gastrointestinal tract, lung, gynecological and brain malignancies were significantly lower in the treatment cohort than in the comparison cohort. In contrast, the risks of prostate and thyroid cancers were significantly higher in the treatment cohort than in the comparison cohort.

CONCLUSIONS:

Our findings suggest that PD with treatment is associated with a significantly reduced overall risk of cancer and reduced risks of certain types of cancers.

PMID:
24722845
DOI:
10.1093/qjmed/hcu078
[Indexed for MEDLINE]
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