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The answers to the questions presented here. Improper maintenance of dental chairs not only brings about a bad medical experience for patients, reduces the service impression of hospitals and clinics, but also poses a serious threat to the health of medical staff. Due to the fact that dental chairs are essential equipment for dentists to treat patients, with high usage rates and a combination of gas, water, and electricity, daily maintenance and upkeep are directly related to the lifespan and completeness of the equipment. Therefore, daily maintenance and upkeep work is particularly important.