Silver diamine fluoride modified atraumatic restorative treatment compared to conventional restorative technique on carious primary molars-A randomized controlled trial.

To compare the success of silver diamine fluoride-modified atraumatic restorative technique (SMART) with that of the conventional drill and fill method in restoring carious lesions in primary molars. Children (4-8years old) reporting to a tertiary care hospital setting with asymptomatic cavitated dentinal carious lesions in primary molars were randomly allocated to two groups; SMART and Conventional; and subsequently restored with Glass Ionomer Cement (GIC). Follow-up evaluations were carried out by blinded independent evaluator at 6-months intervals to assess the status of restorations. Primary outcome was the success of restorations at 24 months and the secondary outcome was the child's behaviour and acceptance of the treatment at the time of interventions. Two sample Z-test of proportion, logistic regression analysis and Chi-square test were used to compare the outcomes in two groups. A total of 226 children (SMART group, 112 and conventional, 114) were included with 280 and 282 GIC restorations placed by the SMART and the conventional method respectively. At 24-months, 459 (81.6 %) primary molars were available for evaluation. Success rates of restorations was 38.4 % and 45.8 % % in SMART and conventional groups respectively (p = 0.105). The rate of acceptability of treatment in the SMART and conventional group was 79 % and 56 % (p<0.001) respectively. There was no significant difference in the success rates of GIC restorations by SMART and conventional technique in carious primary molars at 24 months. SMART was better accepted by children as compared to the conventional restorative technique. SMART can be an alternative option to treat the asymptomatic carious lesions in primary molars and is well accepted by children than the conventional drill and fill technique thus implying that it has a useful role in un-cooperative children.

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Declaration of Competing Interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.