How do i prevent my toddler from grinding his teeth?

You don't.: It is common for young children to grind their teeth. It usually resolves with time.

Typically no : Treatment is needed in the primary dentition. Children often grind their teeth - some very loudly i hear from parents. Often a response of children with some degree of malocclusion trying to get more comfortable with their bite. If its something that you feel needs to be assessed then best to see a pedodontist.

You can't: Tooth grinding in children is normal. They will grow out of it. Do not worry.