Long-term unexplained pain may be caused by a cracked tooth, cracked teeth crack because often deep within the structure of dentin, while the crown surface of the non-physiological small cracks, often can not easily be found and ignored, so long as that unexplained pain, clinicians should be given adequate attention, check for cracked teeth.
Cracked teeth occur in the maxillary molar up to the mandibular second molar and maxillary premolar; first molar was significantly more than the second molar, mesial palatal tip (ie commitment to the maximum occlusal force of the tip) more likely. Teeth under Dental Artcles occlusal force stress concentration, crack their low intensity, large cusp inclination, occlusal force trauma are cracked teeth fracturing factor.
If the elderly molars and premolars for a longer time chewing pain and cold pain, irritability history of biting or causing pain in a particular area and there was a history of injury Ge hard objects that may occur Teeth crack. The following features: cracked occlusal groove fit with the development and extends over the edge of the ridge; cracked iodine can be stained or radiographic inspection details see the shadow of the body-depth teeth, teeth with the jaw with the same name occurs often symmetrical; suffering from teeth together abnormal wear and face steep cusp with lateral percussion pain and biting pain clinics; often at the cracked tooth pigmentation, can be complicated by caries, or secondary pulp congestion, pulpitis, pulp necrosis and root tip inflammation.
For superficial cracked tooth, no obvious symptoms, with normal pulp vitality, for occlusal adjustment therapy can also be prepared hole, rubbed off crack for preventive filling; for deep cracks or pulp lesions, while in the endodontic treatment of a large number of adjustments cusp slope, completely remove the teeth are exposed to fracturing force, full crown restoration after treatment in a timely manner; beginning pulp treatment can be done to protect the crowns with glue ring, endodontic treatment is completed timely for full crown restoration is essential.
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