How Do you Disinfect A Dental Unit?

Dental chair disinfection process before, during and after dental treatment.
Before opening the dental clinic
- Clean the treatment area and do isolation protection in the contact area of the treatment room.
- Clean the water and sewer lines of the dental chair treatment table by flushing the water line for 2 minutes, suction flushing the saliva sucker for 30 seconds, and flushing the sewer line of the spittoon.
- Prepare and check the required treatment items.
Before dental treatment
- In the presence of the patient, isolate any areas that the dentist and assistant will touch during the procedure with a stain avoidance film and prepare dental disposable materials and related treatment items.
- Medical staff should wear masks and hats before operation, and goggles when there may be spurts of patient blood or body fluids. Prepare personal protective equipment for the patients.
- Basic patient protective equipment includes, anti-smudge chest scarves, goggles, etc.
During the dental treatment
- When wearing gloves to operate, avoid contact with the parts outside the medical anti-fouling film coverage, to reduce the pollution of the surrounding environment.
- In order to reduce the pollution of medical staff gloves to the surrounding environment, the treatment process should be used to avoid pollution isolation technology, change gloves, plus plastic film gloves, after use that is discarded; use disposable paper towels to take things, after use that is discarded; equipment, object table after contamination with 75% alcohol wipe disinfection.
- Try to use strong suction to attract aerosol and saliva to reduce the pollution of the treatment environment.
- When taking and using mixing materials, the materials taken from the container should not be contaminated, and the unused materials should be taken out with dry and clean or sterile instruments and not recycled. When using resin materials, the materials should be placed on cardboard or clean instruments and handed to the dentist, not directly digging out the materials.
- When performing invasive operations, medical and nursing staff should wear latex gloves and follow the principle of aseptic operation.
After dental treatment
- Single-use items are “one person, one use, one discard” and are collected according to the “Medical Waste Management Regulations” after use. This includes gloves, patient chest towels, treatment towels, saliva tubes, medical anti-fouling film, etc. Disposable mouth mirror, forceps, probes, etc. placed in the sharps box after use.
- Reusable dental instruments “one person one use one sterilization”, after use moisturizing stored in the instrument recycling box, airtight transport supply room.
- Dental handpieces are sterilized for one person per use and sent to the supply room or the cleaning and disinfection room for cleaning and sterilization as soon as possible.
- After each use of the dental handpiece, step on the foot control panel to flush the waterway for 30 seconds to reduce the contamination of the dental handpiece by reabsorption. It is recommended to use anti-suckback dental handpieces or anti-retraction dental equipment.
- After each patient treatment, clean the suction and saliva ducts and sputum pellet and replace the stain avoidance film; change gloves, wash hands or disinfect hands.
- Wipe and disinfect all contact surfaces in the treatment area, replace the working tip of the triple-use gun and wipe and disinfect outside the connection with the machine, wipe and disinfect the suction and saliva tubes and the interface of the tubes.
- To disinfect the surface of the dental chair for one person after scaling and extraction of teeth.

After the full day of dental treatment
- Cleaning and disinfection of the dental chair waterway: rinse the waterway for 2 minutes, and keep the waterway of the independent water source dental chair type dental chair or ultrasonic scaler dry over liquid.
- Cleaning and disinfection of suction and saliva pipes, spittoons and their downpipes, rinsing with chlorine-containing disinfectant solution of 1000 ml or more, and elevating the dental chair to keep the pipes dry overnight.
- No contaminated instruments are stored in the consultation room overnight.
- The dental chair treatment table and its supporting facilities should be cleaned and disinfected daily, and should be cleaned and disinfected in time in case of contamination.
- Medical waste generated in the course of dental treatment should be handled in accordance with the regulations, and contaminated garbage and household garbage should be handled separately.