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Oral hygiene may be a key factor in diabetes risk, new data from a Korean national health database suggest.
“Frequent tooth brushing may be an attenuating factor for the risk of new-onset diabetes, and the presence of periodontal disease and increased number of missing teeth may be augmenting factors,” wrote Yoonkyung Chang, MD, of the Department of Neurology, Mokdong Hospital, Ewha Womans University College of Medicine, Seoul, South Korea, and colleagues.
they continued in an article published online in Diabetologia.
Periodontal disease involves inflammatory reactions that affect the surrounding tissues of the teeth. Inflammation, in turn, is an important cause of diabetes because it increases insulin resistance and endothelial dysfunction, Dr. Chang and colleagues explained.
They analyzed data gathered during 2003-2006 from 188,013 individuals from the Korean National Health Insurance System – Health Screening Cohort who had complete data and did not have diabetes at baseline. Oral hygiene behaviors, including frequency of tooth brushing, and dental visits or cleanings, were collected by self-report.
Over a median follow-up of 10 years, there were 31,545 new cases of diabetes, with an estimated overall 10-year event rate of 16.1%. The rate was 17.2% for those with periodontal disease at baseline, compared with 15.8% for those without, which was a significant difference even after adjustments for multiple confounders (hazard ratio, 1.09; P less than .001).
Compared with patients who had no missing teeth, the event rate for new-onset diabetes rose from 15.4% for patients with 1 missing tooth (HR, 1.08; P less than .001) to 21.4% for those with 15 or more missing teeth (HR, 1.21; P less than .001).
Professional dental cleaning did not have a significant effect after multivariate analysis. However, the number of daily tooth brushings by the individual did. Compared with brushing 0-1 times/day, those who brushed 3 or more times/day had a significantly lower risk for new-onset diabetes (HR, 0.92; P less than .001).
In subgroup analyses, periodontal disease was more strongly associated with new-onset diabetes in adults aged 51 years and younger (HR, 1.14), compared with those who were 52 years or older (HR, 1.06).
The study was supported by a grant from the Basic Science Research Program through the National Research Foundation of Korea funded by the Ministry of Education. The authors reported no relevant financial relationships.
This article first appeared on Medscape.com.
Oral hygiene may be a key factor in diabetes risk, new data from a Korean national health database suggest.
“Frequent tooth brushing may be an attenuating factor for the risk of new-onset diabetes, and the presence of periodontal disease and increased number of missing teeth may be augmenting factors,” wrote Yoonkyung Chang, MD, of the Department of Neurology, Mokdong Hospital, Ewha Womans University College of Medicine, Seoul, South Korea, and colleagues.
they continued in an article published online in Diabetologia.
Periodontal disease involves inflammatory reactions that affect the surrounding tissues of the teeth. Inflammation, in turn, is an important cause of diabetes because it increases insulin resistance and endothelial dysfunction, Dr. Chang and colleagues explained.
They analyzed data gathered during 2003-2006 from 188,013 individuals from the Korean National Health Insurance System – Health Screening Cohort who had complete data and did not have diabetes at baseline. Oral hygiene behaviors, including frequency of tooth brushing, and dental visits or cleanings, were collected by self-report.
Over a median follow-up of 10 years, there were 31,545 new cases of diabetes, with an estimated overall 10-year event rate of 16.1%. The rate was 17.2% for those with periodontal disease at baseline, compared with 15.8% for those without, which was a significant difference even after adjustments for multiple confounders (hazard ratio, 1.09; P less than .001).
Compared with patients who had no missing teeth, the event rate for new-onset diabetes rose from 15.4% for patients with 1 missing tooth (HR, 1.08; P less than .001) to 21.4% for those with 15 or more missing teeth (HR, 1.21; P less than .001).
Professional dental cleaning did not have a significant effect after multivariate analysis. However, the number of daily tooth brushings by the individual did. Compared with brushing 0-1 times/day, those who brushed 3 or more times/day had a significantly lower risk for new-onset diabetes (HR, 0.92; P less than .001).
In subgroup analyses, periodontal disease was more strongly associated with new-onset diabetes in adults aged 51 years and younger (HR, 1.14), compared with those who were 52 years or older (HR, 1.06).
The study was supported by a grant from the Basic Science Research Program through the National Research Foundation of Korea funded by the Ministry of Education. The authors reported no relevant financial relationships.
This article first appeared on Medscape.com.
Oral hygiene may be a key factor in diabetes risk, new data from a Korean national health database suggest.
“Frequent tooth brushing may be an attenuating factor for the risk of new-onset diabetes, and the presence of periodontal disease and increased number of missing teeth may be augmenting factors,” wrote Yoonkyung Chang, MD, of the Department of Neurology, Mokdong Hospital, Ewha Womans University College of Medicine, Seoul, South Korea, and colleagues.
they continued in an article published online in Diabetologia.
Periodontal disease involves inflammatory reactions that affect the surrounding tissues of the teeth. Inflammation, in turn, is an important cause of diabetes because it increases insulin resistance and endothelial dysfunction, Dr. Chang and colleagues explained.
They analyzed data gathered during 2003-2006 from 188,013 individuals from the Korean National Health Insurance System – Health Screening Cohort who had complete data and did not have diabetes at baseline. Oral hygiene behaviors, including frequency of tooth brushing, and dental visits or cleanings, were collected by self-report.
Over a median follow-up of 10 years, there were 31,545 new cases of diabetes, with an estimated overall 10-year event rate of 16.1%. The rate was 17.2% for those with periodontal disease at baseline, compared with 15.8% for those without, which was a significant difference even after adjustments for multiple confounders (hazard ratio, 1.09; P less than .001).
Compared with patients who had no missing teeth, the event rate for new-onset diabetes rose from 15.4% for patients with 1 missing tooth (HR, 1.08; P less than .001) to 21.4% for those with 15 or more missing teeth (HR, 1.21; P less than .001).
Professional dental cleaning did not have a significant effect after multivariate analysis. However, the number of daily tooth brushings by the individual did. Compared with brushing 0-1 times/day, those who brushed 3 or more times/day had a significantly lower risk for new-onset diabetes (HR, 0.92; P less than .001).
In subgroup analyses, periodontal disease was more strongly associated with new-onset diabetes in adults aged 51 years and younger (HR, 1.14), compared with those who were 52 years or older (HR, 1.06).
The study was supported by a grant from the Basic Science Research Program through the National Research Foundation of Korea funded by the Ministry of Education. The authors reported no relevant financial relationships.
This article first appeared on Medscape.com.