Both. Gum with sugar can cause cavities. Excessive chewing can cause jaw and muscle pain and lead to tmj\tmd problems. Gum with xylitol has been shown to reduce bacteria that lead to acid formation and caries (cavities). Discuss these issues with your own dentist for the best advice for your particular circumstances.
Can you tell me if eating chewing gum is good for health or bad for health especially the dental health?
Good. Especially one containing xylitol. Read more...