Teeth staining can occur due to a number of natural causes such as hereditary factors, individual metabolism, age, etc. The most common factor is not among these, however. Stains develop on the teeth in the form of ‘extrinsic (external) staining’ which can be caused by one’s dietary regimen and the use of various substances.
There is another category, known as ‘intrinsic (internal) staining, which occurs on the inside of the tooth. The intrinsic staining develops while the tooth is forming. It is caused by certain antibiotics, such as tetracycline, some minerals, such as fluoride, fever or any of a number of irregularities associated with tooth formation. Infections in pregnant women may also result in staining in the infant as they may affect the enamel’s development.
Some dental materials, such amalgams and materials that contain silver sulfide can cause a gray-black staining to develop. Medications such as antipsychotic drugs, antihistamines, and antihypertensive medications have been associated with staining as well. Diseases that affect the dentin and enamel may result in discoloration. In addition, staining can be caused by chemotherapy and neck and head radiation.
Do any of these apply to you?
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