How to shoot three clear ones on the top of the top 6?

Adjust the angle, you can use X-ray qualitative development.

Dental film refers to the X-ray film of teeth, also known as oral standard film. A tooth slice can show 3-4 teeth, and the teeth show a white mask image on the tooth slice. Dental radiograph is the most widely used examination method in stomatology, and it is also the most commonly used, because it is helpful for the diagnosis and treatment before, during and after dental treatment. Of course, the ionizing radiation of dental tablets is also harmful to human body.

Its area is 3×4 square centimeters. Dental tablets can show 3-4 teeth. Teeth show a white mask image on dental film. Among them, enamel is the strongest, and dentin and cementum are lower than enamel. The pulp cavity is black and transparent, and the image from the root canal orifice to the apical foramen gradually becomes thinner.