Oral Health Milestones – Baby’s First Year Posted on July 5, 2022 in Kid's Health During your child’s first year of life, they will transform from a snuggly baby to an energetic toddler. Whether it’s lifting their head without support, sitting up, or walking on their own, each milestone is exciting for parents. Babies also have many oral health milestones in their first year. Although they are born without visible teeth, the inside of a baby’s mouth is going through some major changes as they grow. Check out the infographic below for more information about oral health milestones in the first year.