Ultrasound scaling has the advantage of saving time and effort. Generally, it can complete the supragingival scaling of the whole mouth teeth in about an hour.
After ultrasonic scaling, probes are also used to examine carefully whether there are missing odontolith. If there are some small odontolith and adjacent odontolith left behind, manual instruments are also used to remove them.
In addition, some patients are not suitable for ultrasonic scaling. Patients with infectious diseases such as tuberculosis, hepatitis B antigen positive, HIV infection and other patients disable the ultrasonic cleaning machine, because the spray generated will pollute the operating area and surrounding environment. Patients with respiratory diseases should not use ultrasonic scaling machines, such as patients with respiratory depression and patients with chronic lung disease. Ultrasound dental cleaner is generally forbidden in patients wearing cardiac pacemaker to avoid disturbance of pacemaker's work and other symptoms.
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