Dental contra-angle B5-4

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C-shaped groove water outlet design, handpiece water outlet is stable and concentrated, and the cooling effect is better. The structure of the 4-fold gear is optimized and the overall service life is increased by more than 90% compared with the old model C-shaped groove water outlet design, handpiece water outletis stable and concentrated, and the cooling effect is better. The 4-point sanitary hole design improves the “immunity” of the handpiece and reduces the difficulty of maintenance. Arc-shaped illumination angle design, the illumination is more concentrated, the illumination at the front end of the handpiece bur is increased by 100% A dust-proof cover is added to the movement to effectively prevent debris from entering the head and prolong the life of the handpiece Arc-shaped illumination angle design, the illumination is more concentrated, the illumination at the front end of the handpiece bur is increased by 100% C-shaped groove water outlet design, handpiece water outlet is stable and concentrated, and the cooling effect is better. The 4-fold gear structure is optimized, and the overall service life is increased by more than 90% compared with the old model The front-end design with 4 sanitary holes reduces the risk of dirt entering the machine head and effectively extends the life of the machine head