TY - JOUR AU - Khani-Varzegani, Fatemeh AU - Erfanparast, Leila AU - Asghari-Jafarabadi, Mohammad AU - Shokravi, Marziyeh AU - Azabdaftari, Fariba AU - Parto, Marziyeh AU - Shokrvash, Behjat PY - 2017 DA - 2017/08/02 TI - Early occurrence of childhood dental caries among low literate families JO - BMC Research Notes SP - 366 VL - 10 IS - 1 AB - The purpose of this cross-sectional study was to identify the oral health status and influencing factors in preschool children in Tabriz, Iran. A total of 756 children from 20% of the total district preschools were selected using a two-step random sampling procedure. Questionnaires were used to collect demographic and socio-economic data. Oral exams were conducted by a single pediatric dentist to assess the children’s oral health, and to determine the number of decayed, missing, and filled teeth (dmft) according to the World Health Organization’s (WHO) definition of caries. SN - 1756-0500 UR - https://doi.org/10.1186/s13104-017-2698-2 DO - 10.1186/s13104-017-2698-2 ID - Khani-Varzegani2017 ER -