COMPARISON OF PREGNANT MOTHER’S KNOWLEDGE BEFORE AND AFTER CONSELING ABOUT PREVENTION CARIES OF THE CHILD'S PRIMARY TEETH Wahdini Tri Annisa Dentistry Study Faculty of Medicine Sriwijaya University Abstract Background: Based on Indonesia data Basic Health Research (RISKEDES) in 2018 41,1 % of children aged 3-4 years in Indonesian had experienced of dental caries. Efforts of prevetion on carie…