What are the side effects of tooth cleaning?

The most common way to clean teeth is: ultrasonic cleaning. The principle is to make the dental calculus attached to the tooth surface or gingival margin loose, loose, fall off, and may show the following conditions after cleaning: 1. After cleaning, the teeth will be sensitive. This sensitivity is transient and generally weakens or disappears in about a week. 2, teeth will become larger after cleaning, this is because of the pressure of dental calculus for a long time, so that the gingival tissue has atrophied, but after removing dental calculus for a period of time, the gingival tissue will slowly return to normal. 3, if the normal operation in the process of cleaning teeth, will not damage the enamel, cleaning teeth is no harm, and our country's basic medical treatment has included cleaning teeth, cleaning teeth is the most basic requirement to maintain oral hygiene, it is recommended that everyone wash teeth every six months to a year.