This randomized controlled trial aims to compare the clinical effectiveness of four ion-releasing restorative materials in the proximal cavities of primary molars that underwent selective caries removal. The main questions to answer are: * Will there be any difference among the restorative materials clinical succes in the means of modified United States Public Health Services (USPHS) criteria for dental restorations? * Will there be any difference among the restorative materials in the means of preservation of pulpal vitality? Eighty six children (262 teeth), between 5 and 9 years old (7.15±1.14) enrolled for the study. Researchers will compare the clinical performance of restorative materials, (1:Equia Forte HT; 2: Fuji II LC; 3: Cention N; 4: ChemFil Rock), applied to the proximal cavities of primary molars following selective caries removal, according to the modified USPHS criteria. Participants will: \- visit the clinic 1st,3rd,6th,12th,18th,24th,30th and 36th months after the restoration.
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Clinical evaluation of the filling materials according to the modified USPHS criteria
Timeframe: Evaluations were conducted at the 1st, 3rd, 6th, 12th, 18th, 24th, 30th and 36th months.