Some knowledge points about dental chairs.

Dental chairs are mainly used for oral surgeries and the examination and treatment of oral diseases. Currently, the most commonly used type is the electric dental chair, which is divided into eight main parts. The entire unit is fixed to the ground by a base plate, which is connected to the upper part of the dental chair through a support frame.

Dental chairMainly used for oral surgery and examination and treatment of oral diseases. Currently, the most commonly used is electric.Dental chair, its main structure is divided into eight parts. The whole machine is fixed to the ground by a base plate, and the base plate is connected to the upper part through a bracket.Dental chairThe movement of the dental chair is controlled by a switch on the backrest. Its working principle is: the control switch starts the motor to operate, driving the transmission mechanism to work, makingDental chairthe corresponding parts move. According to the needs of treatment, by manipulating the control switch button,Dental chairit can complete actions such as rising, descending, tilting, reclining, and resetting.

TraditionalDental chairgenerally refers to simple dental treatment machines priced below 10,000 yuan. They are commonly seen in resource-limited towns and individual clinics. Older chairs generally do not have seats for doctors and assistants, and some even lack spit bowls, thus becoming "dental chairs." Although these chairs are simple, they can meet the treatment needs of general dental diseases. In the vast rural and urban communities of our country, individual dental clinics and other dental chairs still have a considerable market. According to surveys, in 1999, they accounted for 80% of total sales, and although there has been a decline, they still account for 72% of total demand.

　　Dental chairofDesign goals:"People-oriented"Dental chairdesign is a design concept that has emerged in recent years, mainly aiming for convenience, comfort, safety, and hygiene.

In terms of convenience, comfort, and safety, dental chairs generally have various personalized operating procedures that can be set at different treatment positions(upper and lower jaw teeth and rescue positions), stored through programming. The control part of the chair has evolved from the initial mechanical and electrical control to advanced control stages such as air valve control and electromagnetic valve control.

Priced atover 70,000 yuan, mid-range chairs are usually equipped with fully automatic central control consoles, and the position of the dental chair can be adjusted through a combination of movements of the backrest and knee joints, elevation, and tilting. This makes the patient's position more suitable for treatment; equipped with non-slip doctor chairs and multifunctional pedal control devices, allowing doctors to control the water gun and air gun on and off with their feet during treatment without stopping the operation of the instruments. The treatment table is also equipped with various steering electric light-emitting devices and powerful low-noise vacuum negative pressure pumps, which can achieve gas-liquid separation, with strong suction and low noise.

In terms of hygiene and environmental protection, according to epidemiological data, there is a serious cross-infection problem in oral diagnosis and treatment in our country. The infection rate of hepatitis B among oral doctors is 3-6 times that of the general population,with a positive rate of 25.8% for oral doctors and a total positive rate of 62% for dental HBV contamination. Therefore, preventing cross-infection of dental equipment is averyimportantoffactor in the design of dental chairs.

Keywords: children dental chair series

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