Effectiveness of the Oral Health Care Program in Older People with Type 2 Diabetes Mellitus Muang District, Nakhon Ratchasima Province: A Randomized Controlled Trial

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Namon Phetnin
Tippanart Vichayanrat
Chuchai Anunmana


This study aimed to assess the effectiveness of the oral health care program with type 2 diabetes mellitus to improve oral health perception, oral hygiene and glycemic status among older patients. An experimental study was conducted in two health centers in Muang district, Nakhon Ratchasima Province between July 2019 and October 2019. Thirty-five uncontrolled diabetic older patients with chronic periodontitis in each health center were recruited. The intervention group (Yangyai health center) attended four times of the oral health care program that applied from the Health Belief Model. The control group (Khok Krut health center) received the routine program. Outcomes were assessed for the Health Belief Model questionnaires, oral hygiene and glycemic status (HbA1c) at baseline and three months, respectively. Data were analysed by using a descriptive statistic, chi-square, independent t-test, paired t-test. The p-value <0.05 was considered statistically significant. After the three months follow-up, independent t-test analysis showed significant differences in the Health Belief Model scores, oral hygiene index (Simplified Oral Hygiene Index (OHI-S)) and HbA1c between the intervention group and control group (p<0.05). Paired t-test analysis showed that, at three months, the intervention group improved significantly from baseline to final visit in the Health Belief Model scores (p≤0.001), reduced oral hygiene index from 3.31±1.04 to 0.88±0.46 (p<0.001), and reduced HbA1c level from 8.94±1.95% to 8.08±1.66% (p<0.001).This oral health care program in older people with type 2 diabetes through the Health Belief Model can improve oral health perception, oral hygiene and decreased glycemic status.


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Phetnin N, Vichayanrat T, Anunmana C. Effectiveness of the Oral Health Care Program in Older People with Type 2 Diabetes Mellitus Muang District, Nakhon Ratchasima Province: A Randomized Controlled Trial. Khon Kaen Dent J [Internet]. 2020 Aug. 25 [cited 2023 Jan. 29];23(2):1-10. Available from: https://he01.tci-thaijo.org/index.php/KDJ/article/view/237407
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