Along with favorite blankets, teddy bears, and nap time, thumb-sucking can be one of the most comforting aspects of childhood. According to a recent report, between 75% and 95% of infants suck their thumbs, so chances are there's a thumb-sucker (or a former thumb-sucker) in your family. Is this cause for worry? More Info: https://www.tltpediatricdentistry.com/thumb-sucking