Child's toothbrushing habits linked to mother's mental health A mother's mental health may play a larger role in a child's toothbrushing habits than previously thought. It is no secret that brushing your teeth twice a day is highly effective in promoting healthy teeth and gums. The International Association of Pediatric Dentistry advocates brushing with toothpaste containing fluoride to prevent decayed, missing, or filled teeth - known as childhood dental caries (ECC) - in children. Parents are instrumental in instilling good dental habits in their children. Related Stories In Japan, there is a worryingly high prevalence of ECC among children aged 3 years old. Postpartum depression and/or lack of affection caused by bonding disorders hamper a mother's ability to cultivate healthy dental practices in children, and researchers were keen to explore this link.