“…Oral health conditions in high-income countries have improved. However, dental caries continues to be a major public health problem [ 1 ], especially in low- and middle-income countries [ 2 , 3 , 4 ]. Dental decay is very common in childhood [ 5 ], and if left untreated, the disease advances, with a significant impact on the child's general health, development, quality of life, productivity, school attendance and educational performance, maybe even resulting in hospitalization [ 6 , 7 , 8 ].…”