Teeth can be scraped off a layer of white stuff may be teeth soft scale or calculus, shedding enamel, etc..
1. Tooth soft scale or calculus: mainly a mixture of food debris, shed epithelium of the oral mucosa and bacteria, especially for patients who do not brush their teeth regularly, which will lead to a large amount of material accumulated on the surface of the teeth. Over time, it is easy to form dental calculus and plaque, which can cause some undesirable irritation to the gums.
2. Shedding enamel: When teeth are damaged by gravity, the enamel on the surface of the teeth is usually damaged, leading to the phenomenon of enamel mottling appearing to fall off. As a result, a white layer can be scraped off the teeth.
Teeth can be scraped off a layer of white stuff on the reason there are many, it is recommended that the patient should consult a doctor in a timely manner, after the cause of the disease is clear and standardized treatment.