Cavity: Most likely there is tooth decay in the vicinity that weakened the tooth, or a filling that left the tooth structure thin. See a dentist.
Answered 2/28/2013
5.3k views
See below: Were there fillings in the molars? Any pain or swelling around them? May have had tooth decay or hairline fracture in tooth. See dentist for thorough exam. S/he can then better tell u what happened & why. Do you get adequate calcium & vitamin d, magnesium, & phosphorus in your diet? They're needed for strong teeth.
Answered 12/10/2013
5.3k views
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