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Integrated Diabetes and Oral Health Care in Oman
Sponsor: Oman Ministry of Health
Summary
Type 2 diabetes mellitus (T2DM) and periodontal (gum) disease are closely related conditions that may negatively affect each other. However, oral health is not routinely integrated into diabetes self-management education. This study will evaluate whether a structured diabetes-oral health educational intervention based on the Health Belief Model can improve glycaemic control, periodontal health, self-management behaviours, and quality of life among adults with T2DM in Oman. This multicentre randomized controlled trial will include 290 adults with T2DM. Participants will be randomly assigned to either an intervention group or a control group. The intervention group will receive six individual, structured diabetes-oral health education sessions over 12 weeks in addition to usual care. The control group will continue to receive standard diabetes care and education. Participants will be followed for 12 months. The primary outcome is change in glycated haemoglobin (HbA1c) from baseline to 12 months. Secondary outcomes include periodontal health, diabetes and oral-health self-care behaviours, Health Belief Model constructs, quality of life, psychological well-being, diabetes distress, healthcare utilization, and healthcare costs. The study will also assess the cost-effectiveness of the intervention. Exploratory components will assess previously undiagnosed periodontal disease and examine associations between periodontal changes and the oral microbiome.
Official title: Cost-Effectiveness and Implementation of Integrated Diabetes-Oral Health Care in Oman: A Health Belief Model-Based Intervention to Enhance Clinical, Behavioral, and Exploratory Oral Microbiome in Health System Outcomes in Type 2 Diabetes
Key Details
Gender
All
Age Range
35 Years - Any
Study Type
INTERVENTIONAL
Enrollment
290
Start Date
2026-09-01
Completion Date
2028-09-01
Last Updated
2026-09-09
Healthy Volunteers
No
Conditions
Interventions
Health Belief Model-Based Integrated Diabetes-Oral Health Educational Intervention
Participants will receive an individualized Health Belief Model-based integrated diabetes-oral health educational intervention in addition to routine diabetes care. The intervention consists of six individual face-to-face educational sessions delivered over 12 weeks, with each session lasting approximately 30 minutes. The sessions address diabetes and oral health risk awareness, severity and consequences of periodontal disease, benefits of glycaemic control and oral hygiene, barriers to oral health self-care and practical solutions, brushing and interdental cleaning and self-monitoring skills, and maintenance planning and relapse prevention. Each session includes structured educational material, individualized advice, and simple goal-setting.
Standard Diabetes Education and Routine Care
Participants will receive standard diabetes education and routine clinical care provided by existing diabetes services. Routine education includes advice on diet, medication adherence, physical activity, and blood glucose monitoring. Participants will not receive the structured Health Belief Model-based integrated diabetes-oral health educational intervention.