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Did these teeth have large fillings in them when they cracked? Do you have missing teeth that have not been replaced? Do you grind or clench your teeth while sleeping or while you are awake?
I agree completely with Dr Kats.
My name is***** and I am a General Dental Practitioner with over 10 years experience in NHS and Private Dental Care in the UK.
"Cracking" or Fracturing teeth can be multifactorial. For example, teeth with exceptionally large restorations / fillings can be more prone to weaker "enamel walls' breaking away from around the old filling / restoration.
Another common cause can be habitual / nocturnal bruxing. Bruxing is essentially grinding or clenching the teeth together. The amount of force that a person can apply as a nocturnal bruxist is exceptionally high and the forces applied to the teeth can lead to breaks or fractures.
My treatment modality is as well as crowning the effected teeth (if clinically justified) to provide a Dual Laminate "Guard". This is almost like a mouthguard but is firm on the outside and soft on the inside surface. This protects the wear and tear to the teeth but also spreads the load more evenly away from the teeth them self and thus dramatically decreases the risks of fracture. The can also act as a "habit breaker' which over time can decrease the subconscious grinding.
I hope this helps.
Dr Stuart Todd BDS Glas MJDF RCS EngGeneral Dental Practitioner
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Dr Stuart Todd BDS Glas MJDF RCS Eng