SEHAT Virtual Oral Health Promotion for School Adolescents in Pakistan

This study is a cluster randomized trial evaluating the effectiveness of the SEHAT (School-Based Education for Oral Health Awareness Using Advanced Telecommunication Technology) intervention among adolescents aged 11-14 years in public schools in Rawalpindi, Pakistan. The trial aims to improve oral health behaviors, knowledge, and clinical outcomes, including plaque and gingival scores.

Schools (clusters) will be randomly assigned to one of three groups: virtual SEHAT intervention, conventional in-person oral health education, or control (no intervention). The virtual intervention will deliver structured 30-minute sessions via Zoom, incorporating interactive elements, culturally relevant content, and reinforcement strategies, while the conventional group will receive the same content through face-to-face classroom instruction.

Outcome assessments will include clinical oral health measures (plaque and gingival indices) and self-reported oral health knowledge and behaviors, collected at baseline, post-intervention, and at follow-up timepoints to evaluate short- and medium-term effects. The study will also explore sustained engagement, feasibility, and acceptability of digital oral health education in resource-constrained school settings.

This trial addresses gaps in evidence regarding digital oral health interventions in low-resource settings, particularly for adolescents, and will provide data to guide scalable, culturally adapted, school-based oral health promotion strategies.

Inclusion criteria

For the Schools/grades:

• Public high schools situated in the urban and rural areas of the Rawalpindi city, Punjab, Pakistan to account for the regional variations.
• Single-gender schools housing classes 6th to 10th.
• A minimum total enrollment of 300 - 500 students
• A minimum of 30 students per section in the targeted grades (6th, 7th, and 8th).
• The schools that sign an agreement to

• Participate in the trial
• Be randomized to any of the study arms
• Assign the trial related tasks to the teachers. For study participants.
• Currently enrolled students in 6th, 7th and 8th grades.
• Diverse socioeconomic backgrounds
• Students with parental and personal informed consent to participate in the trial

Exclusion criteria

• Students currently undergoing active orthodontic treatment.
• Students with physical or cognitive impairments that prevent the use of digital interfaces.
• Students with systemic medical conditions that manifest as oral health complications.