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Purpose: To evaluate the effectiveness of an oral health mobile application on the oral health knowledge, behavior, and practices (KBP) of child-parent dyads. Methods: This was a pre-post, single-arm, hospital-based pilot study. Fifty-two dyads were assessed for KBP using a selfstructured questionnaire. The oral hygiene of children was evaluated using the plaque index (PI). The Healthy-Smile Swasth-Muskaan mobile application was installed on the phones of participants, and they were encouraged to use the application regularly. After one month of the app instalation, post-KBP and PI were assessed. Results: A significant improvement was seen in the parents' total knowledge, behavior, and oral hygiene practices of the children (P<0.001). A significant reduction was observed in the mean plaque scores of the children (P<0.001). Conclusions: The Healthy-Smile Swasth-Muskaan mobile app is associated with improved oral health knowledge and behavior of the child-parent dyads and improved oral hygiene of children. Further randomized clinical trials are needed to determine the impact of mobile apps on the oral health knowledge, behavior, and practices of parents and children. [ABSTRACT FROM AUTHOR]

Purpose: The purpose of this in vitro study was to investigate the effect of applying silver diamine fluoride (SDF) followed by a saturated solution of potassium iodide (SSKI) on the microtensile bond strength (mTBS) of composite resin to the natural carious dentin of primary molars. Methods: Sixty-nine extracted carious primary molars were randomly allocated to one of the three groups, where the prepared affected dentin was treated with: (1) group A-SDF/SSKI; (2) group B-SDF alone; and (3) group C-deionized water. After restoration with composite resin restorative material, specimens were prepared and tested for µTBS in the universal testing machine. Median bond strengths were compared using the Kruskal-Wallis test. Results: The median (range) values of µTBS in groups A, B, and C were 16.99 (6.55 to 95.60), 17.71 (4.93 to 101.1), and 24.60 (5.29 to 91.7) MPa, respectively. There was no statistically significant difference in the microtensile bond strength among the three groups (P=0.94). Conclusion: The application of either silver diamine fluoride along with a saturated solution of potassium iodide or SDF alone does not have a significant inhibitory effect on the bond strength of the composite resin to carious dentin in vitro. [ABSTRACT FROM AUTHOR]