Infant oral health audio-visual aid for pregnant women

Methods: The audio-visual aid containing evidence-based information about infant oral health care and early childhood caries prevention has been developed and test in 91 pregnant women having prenatal care at U-Thong hospital, Suphanburi province during October 1, 2008 to November 30, 2008. A questionnaire was developed to test knowledge and attitude of expectant mother before and after viewing the audio-visual aid. The efficiency and effectiveness index of the audio-visual aid were determined. The differences of knowledge score were tested with Wilcoxon match-pair signed-ranks test. Kruskal-Wallis test and Mann-Whitney test were used to determine factors related to knowledge score.

Results: The efficiency of an audio-visual aid was 87/70 and effectiveness index was 0.64. The pregnant women significantly improved their infant oral health knowledge (p < 0.05). The pre-test and post-test knowledge scores were statistically significantly related to educational level (p < 0.05). The differences between pre-test and post-test knowledge scores were statistically significant related to number of children (p < 0.05). Approximately or more than 80 percent of the participants rated proper timing, speed and contents of audiovisual aid, and highly satisfaction on narration, illustration, easy understanding, interesting presentation, and useful.

Conclusions: This infant oral health educational audio-visual aid promises to be an effective tool for pregnant women in providing anticipatory guidance regarding infant oral health care to prevent early childhood caries.:oral health care to prevent early childhood caries.