Abstract
Background: To compare the effectiveness of braille text and audio tactile performance technique in improving
the oral hygiene among 10–17 year old visually impaired school children in Chennai city.
Materials and Methods: Baseline oral hygiene status was assessed among 112 children using Plaque Index and
Gingival Index. Oral health education was given to 56 children through Braille text and to 56 children through
Audio Tactile performance technique. Follow up plaque index and gingival index scores were evaluated after 3
months. Wilcoxon signed rank test and Mann-Whitney U test were used to assess inter and intra group differences.