① Ultrasound scaling should not be used in special populations:
A. It is forbidden to be used in patients with cardiac pacemakers, so as to avoid symptoms such as dizziness and arrhythmia caused by the interference of electromagnetic radiation. The new pacemaker has a barrier function and will not be disturbed by ultrasonic cleaning. Patients with a pacemaker are not banned;
B. It is also not suitable for people with infectious diseases such as hepatitis, tuberculosis, AIDS, etc. to use ultrasonic cleaning to prevent blood and pathogenic bacteria from polluting the air of the clinic with the spray.
②The patient must be rinsed with an antibacterial solution, such as 3% hydrogen peroxide solution or 0.12% chlorhexidine solution, for 1 minute before ultrasonic scaling to reduce the number of bacteria in the spray and prevent the occurrence of bacteremia.
③ Medical staff should take protective measures during treatment, such as wearing masks, hats, protective goggles, gloves, etc., to reduce exposure to blood and microorganisms.
④The angle and pressure of the working tip to the tooth surface: The angle of the working tip and the pressure of the working tip to the tooth surface are the most important factors that cause tooth tissue defects. In order to prevent excessive damage to the tooth tissue, it is generally recommended to use about 0.5 For the lateral force of N, try to use medium and low gears, and the working tip should be parallel to the tooth surface as much as possible.
⑤ Try to avoid causing dentin sensitivity: Ultrasound tip on the demineralized tooth surface will cause sensitive symptoms of patients, such as some early caries, enamel dysplasia, etc. on the tooth surface, especially in the tooth neck. Correctly mastering the use of ultrasonic scaler can reduce the occurrence of dentin hypersensitivity.
⑥ The metal ultrasonic instrument working head cannot be used for cleaning the surface of titanium implants, because the metal head will damage the surface structure of titanium implants, resulting in easy deposition of plaque, nor can it be used for porcelain restorations or adhered restorations, because there may be If the porcelain is cracked or the adherend is loosened, a non-metal ultrasonic working head such as a plastic working head can be used instead.
⑦It is extremely important to disinfect the mobile phone and working head of the ultrasonic scaler to avoid cross infection. Each patient should replace the high-pressure sterilized mobile phone, empty the water in the back pipe of the mobile phone before starting the treatment, and use a strong suction device to absorb the liquid during the treatment process, which can reduce the bacteria-carrying aerosol in the clinic. In addition, the spittoons and dental chairs used by patients need to be disinfected in time, and the clinics should also be disinfected regularly. Institutions with conditions should be equipped with air filters to prevent cross-infection and nosocomial infection.
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