Children ages three years and under should use toothpaste with a fluoride level of about 1,000ppm (parts per million). After three years of age, children should use toothpaste with a fluoride level of 1,350-1,500ppm.
Start brushing your baby's teeth as soon as they show up in the mouth to remove plaque.Use age appropriate toothbrush and toothpaste to brush your baby's teeth. Please use just a smear of toothpaste for children under 3 years and pea sized amount for children 3 - 6 years.
You can use toothbrush as soon as the first tooth is cut. Use just a smear of toothpaste suitable for a one year old. The age range is normally written on the pack of the toothpaste and the brush.
Paediatrician