Teeth Black Spots

Introduction Some people drink or eat foods that are easy to dye for a long time, or long-term exposure to certain minerals, such as long-term use of potassium permanganate water to gargle, silver nitrate treatment of oral diseases can be exposed to mercury. Both can make the teeth black. Contact with iron, sulfur and other substances, it is easy to make the teeth appear black and green. In addition, enamel hypoplasia, dentin hypoplasia, hereditary opal teeth, dental fluorosis, tetracycline teeth, dental caries, etc. can make the teeth yellow, brown, black.

Cause

Causes of dark spots on teeth

There are many reasons for the abnormal color of the teeth, which may be due to innate causes or acquired. The coloration of the teeth caused by congenital causes is that most teeth have symmetry color changes when the teeth erupt. Commonly, there are dental fluorosis, tetracycline teeth, and enamel hypoplasia. The coloration of the teeth caused by the acquired causes is that the color of the teeth is normal when the teeth erupt. After the bad stimulation, the color of the individual teeth gradually changes, such as the occurrence of dental caries or trauma.

an examination

Related inspection

Oral endoscopic oral X-ray examination

Examination of dark spots of teeth

The teeth appear black and green, and the teeth are yellow, brown, and black.

The surface of the tooth is covered with a layer of enamel, which is transparent or translucent, and its deep part is dentin, which is pale yellow. The color of the teeth is related to the degree of calcification of the enamel. The higher the degree of calcification, the more transparent the enamel, and the true nature of the deep dentin through it makes the teeth pale yellow.

Differential diagnosis

Symptoms of tooth dark spots

White to brown plaque on the teeth: The clinical manifestations of fluorosis are characterized by white to brown patches on the enamel erupted during the same period, and severe enamel defects are also present. Clinically, it is divided into three types: white (milk), pigmented (moderate) and defective (severe) according to its light, medium and severe.

The teeth are brownish black: the color of the teeth changes abnormally and appears brownish black. Coloration in the teeth is the discoloration of the teeth caused by the tissue structure or nutrient change of the teeth. Common necrosis of the pulp, enamel enamel and drug deposition cause tooth discoloration. Coloring outside the teeth means that the surface of the teeth is pigmented.

Yellow teeth: The teeth appear yellow due to various reasons.

Abnormal color of teeth: Because the surface of the tooth is covered with a layer of enamel, it is transparent or translucent, and its deep part is dentin, which is pale yellow. The color of the teeth is related to the degree of calcification of the enamel. The higher the degree of calcification, the more transparent the enamel is, and the true color of the deep dentin through it makes the teeth pale yellow, and the color of the teeth is abnormal in various dental diseases.

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