NCT02568917.

Trial name or title	Effectiveness of ART and conventional treatment ‐ practice‐based clinical trial
Methods	Design: parallel RCT, single blind Country: Brazil
Participants	Inclusion criteria Children aged 6‐14 years In good health Spontaneous demand for treatment by parents or legal guardians Whose parents or legal guardians accept and sign the consent form With ≥ 1 occlusal or occlusal proximal caries lesion in primary or permanent molars Only occlusal and/or occlusal‐proximal surfaces with caries lesions with dentin involvement Exclusion criteria Severe behavioural issues Presence of fistula or abscess near the selected tooth Presence of pulp exposure in the selected tooth Presence of mobility in the selected tooth
Interventions	Two treatment arms: Group 1: ART using H‐GIC (Ketac Molar Easy Mix). No local anaesthesia will be used. Infected carious tissue will be removed with hand instruments. Group 2: CT using composite Resin (Bulk Fill). Local anaesthesia can be used if necessary. Access to caries lesion will be done using a round bur. Infected carious tissue will be removed with hand instruments.
Outcomes	Primary outcome Restoration survival Secondary outcome Longevity of the tooth Cost‐efficacy assessment Preference of the treatments by dentists
Starting date	January 2016
Contact information	Professor Daniela P Raggio danielar@usp.br
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