Contrary to their hard and resistant appearance, teeth may suffer various damages due to pressure and environmental factors, such as cracks. Tooth decay is one of the most common dental problems that can start without obvious symptoms and eventually lead to pain, sensitivity, or even tooth loss. The best orthodontic specialist in Mashhad. The most important and common causes of tooth decay are as follows: ### **Too much pressure when chewing** Chewing hard foods such as ice, nuts or hard candies can cause tiny cracks or even complete tooth breakage.. This pressure is especially common in the back teeth that play a major role in chewing. People who unconsciously grind their teeth while sleeping or in stressful situations are prone to tooth cracks.... Teeth grinding causes constant pressure on the tooth structure.... ### **sudden temperature change** Drinking hot liquids immediately after eating cold food or vice versa causes rapid contraction and expansion of tooth enamel and causes small cracks.... ### **Old or wide fillings** Teeth that have already been restored due to extensive decay are usually weaker and more likely to crack.... ### **impact or accident** Physical injuries caused by a fall, accident or direct blow to the face can cause a fracture or a deep crack in the tooth. **Types of tooth cracks** Dental cracks are divided into different types, which include: Craze Lines: It is usually harmless and does not require special treatment... Vertical crack: May extend to the root of the tooth and is usually accompanied by pain. And how is it treated?. + Check* the causes of its creation** Tooth decay treatment methods The problem of cracked teeth can be treated in various ways, the most important of which are the following: ### ** Polishing or smoothing the crack surface (in surface cracks)** In cases where the cracks are superficial and have only affected the beauty of the tooth, the dentist may improve its appearance by polishing the surface of the tooth. This treatment usually does not require anesthesia... ### **Banding (Composite)** In small and medium cracks, it is common to use resin materials (composite) to fill the crack and restore the natural shape of the tooth.. If the crack is wider or the tooth is not strong enough, the dentist covers the tooth using a ceramic or metal veneer. Dental fillings are filled with special materials... After that, the tooth usually needs a coating. Tooth cracking is a common problem, but it can be prevented and treated... Knowing the causes of this problem, such as chewing hard materials, grinding teeth or sudden impacts, can be very effective in prevention. Fortunately, with the advancement of dental science, there are several treatment methods for managing tooth cracks. More teeth are saved...