Note that five people which is not suitable for scaling

1. Patients with malignant tumors gums should not accept the conventional scaling, in order to avoid local spread and distant spread of tumor spread.

2. People with bleeding disorders, such as patients with thrombocytopenia, leukemia, blood clotting mechanism in these patients is not good, after scaling bleeding more easily. Uncontrolled type 2 diabetes, after scaling the mouth as easily lead to local infection.

3. With active angina pectoris, myocardial infarction within six months and the attack had failed to effectively control hypertension and heart failure patients not receiving conventional scaling treatment. As the ultrasonic stimulation and discomfort when scaling, may lead to illness.

If the installation of the artificial heart pacemaker but not suitable for ultrasonic cleaning teeth. For these patients, the amount should be pre-application dental instruments procoagulant drugs to control blood clotting speed, in order to avoid scaling when the bleeding and infection.

4. People with acute infectious diseases, such as acute active hepatitis, tuberculosis, etc., these people should wait until the disease has stabilized before reaching the hospital for scaling. Scaling for the disease should be clear to the doctor, the doctor should do a good job-related aspects of the protection and rigorous disinfection of equipment for use or discard. On the one hand because of their condition, addition also to avoid infecting others.

5. Local inflammation of oral soft tissue of patients in the acute phase should be over after the acute phase of scaling, in order to avoid aggravating local inflammation or spread through blood diffusion.