The black color in the middle of the teeth may be related to physiological pigmentation, or it may be caused by dental caries, dental calculus and other reasons.
1. Physiological pigmentation: for example, long-term consumption of large amounts of pigmented or heavily pigmented food, and do not pay attention to dental hygiene, not often brushing, which can easily lead to localized pigmentation of the teeth, it may lead to the middle of the teeth black.
2. Dental caries: due to local dental caries, it is easy to lead to local dental tissue corruption, which may cause the middle of the teeth black, may also be accompanied by oral odor, toothache and other symptoms.
3. Dental calculus: It is usually caused by various food debris remaining in the crown and surface area of the tooth for a long time, leading to the gathering of bacteria and the formation of plaque. It may cause black color in the middle of the teeth, and may also be accompanied by bad breath, loose teeth and other symptoms.
The black color in the middle of the teeth may also be caused by other reasons. After eliminating physiological factors, you should consult a doctor as soon as possible to clarify the cause and give targeted treatment.