A Comparison of Three Different Modalities in Improving Oral Hygiene in Adult Orthodontic Patients - A Randomized Controlled Trial
Objectives: The objective of the study is to compare outcomes in terms of Bleeding index (BI), Gingival Index (GI) and Orthodontic Plaque Index (OPI) with videographic and plaque disclosing tablets versus verbal instruction in adult orthodontic patients undergoing fixed appliance treatment
Methods: Adult orthodontic patients were recruited who fulfilled the inclusion criteria in this four-week long randomized control trial. The subjects were randomly allocated to three groups i.e. video, plaque disclosing tablet and verbal group. Pre- and post-interventional measurements were taken at two intervals only for Bleeding Index (BI), Gingival Index (GI) and Orthodontic Plaque Index (OPI). The one-way ANOVA and paired t-test were used to evaluate the differences between the three groups. Post-stratification one-way ANOVA was used for age, gender and education level to assess the mean change in the BI, GI and OPI. Simple linear regression was applied to predict the factors associated with good oral hygiene.
Results: The mean change in the oral hygiene indices score were assessed and we found no statistically significant difference among the three interventional groups. Pre- and post-interventional results showed statistically significant improvement in the oral hygiene indices for video and plaque disclosing tablet group. Post-stratification one-way ANOVA showed no statistically significant difference for age, gender and education level on oral hygiene indices. Simple linear regression showed that video group produced significantly higher mean OPI change as compared to other groups.
Conclusions: Visual aid performed better as compared to the verbal group. Gender, age and education level had no statistically significant impact on the oral hygiene indices. Longer follow-ups will be required to see the long-term effects of these interventions