No: Chewing gun doesn't strengthen the teeth. However constant chewing can lead to TMJ issues. The jaw joint will be affected eventually. The teeth usually are not affected.
Answered 6/10/2014
5.5k views
Sugar Free: Yes, as long as it is sugar-free or uses a sugar substitute like xylitol or sorbitol.
Answered 12/8/2012
5.4k views
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