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Overview of the dental chair

Overview of the dental chair
1. Modern dental chair The traditional dental chair generally refers to a simple dental treatment machine with a price of less than 10,000 yuan. It is more common in townships and individual clinics with limited conditions. Older chairs generally do not have doctor and assistant seats, and some do not even have spittoons or saliva suction devices, making them a veritable "dental chair". Although these chairs are relatively simple, they can meet general dental treatment needs. In the vast rural and urban communities of our country, there is still a considerable market for dental chairs such as individual dental clinics. According to a survey, it accounted for 80% of the total sales in 1999, although the survey still accounts for around 72% of the total demand despite a decline. The "people-oriented" dental chair design is a design concept that has emerged in recent years, mainly for convenience, comfort, safety and hygiene.
In terms of convenience, comfort and safety: mid-to-high-end chairs generally have a variety of personalized operating procedures, depending on the physician's individual habits, different treatment positions (upper and lower palate teeth and rescue positions) can be set, and they can be stored as programmed . The control part of the chair has risen from the initial mechanical and electric control to the advanced control stage such as air valve control and solenoid valve control; middle and high-end chairs with a price of more than 70,000 yuan are usually equipped with a fully automatic console and chair position adjustment. It can be adjusted through the comprehensive movement of the backrest and knee joints, ascent, descent, and tilt. Make the patient's position more suitable for treatment; equipped with a non-slip doctor chair and multifunctional foot control device, the doctor can control with his foot as needed during the treatment process, and realize the switch action of water and air gun without stopping the operation of the equipment . The middle and high-end treatment tables are also equipped with a variety of turning cold light lamps, a powerful bass vacuum negative pressure pump, which can separate gas and liquid, with large suction and low noise. The AM6010 model specially designed for children created by Shanghai Shengli Dental Medical Equipment Factory in China, the minimum height of the fully computerized electric chair is only 43cm, which provides convenience for the treatment of small patients.
In terms of hygiene and environmental protection: According to epidemiological data, there are serious cross-infection problems in oral diagnosis and treatment in my country. The infection rate of hepatitis B in dentists is 3-6 times that of ordinary people, the positive rate of HBV among dentists is 25.8%, and the total positive rate of HBV pollution in dental handpieces is 62%. Therefore, preventing cross-infection of dental equipment is an important factor to be considered in the design of dental chairs. The mobile phone is the most basic and most important configuration in dental chair equipment. The high-speed imported turbophone brands used in China include NSK, DN, Bien Air and W&H, etc. The speed can reach 350,000r/min (at 0.25Mpa), and it is generally resistant to high temperature and high pressure disinfection at regular 120°C and rapid 135°C. The bur loading and unloading methods are divided into two types: wrench change and button change; the interface is divided into international standard two-hole and four-hole type. Low-speed mobile phones are generally divided into two types, straight and elbow, and they rotate at a constant speed of 1:1 with the air motor. When the mobile phone stops rotating, due to inertia, a respiration airflow will be generated, causing fragmentation and inhalation of pollutants into the mobile phone. This is an important way of cross-infection in oral medicine. Therefore, the anti-suckback mobile phone device has become an important configuration of high-end products. The anti-suckback mobile phone in the high-end chair mainly adopts the patented technology of Japan and Germany. The medium and high-end products are equipped with a replaceable discrete water supply, disinfection and regular flushing automatic sanitation system; on the CS1000A comprehensive dental treatment machine newly launched by Shanghai Dental Medical Equipment Factory, the PU elastomer frame and paint adopt nano antibacterial Technology, mouthwash glen, dental lamp and lamp shade also have antibacterial health care functions.

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