The _______________ addressed the proper and ethical treatment of human experimentation and was the first medical ethics code to introduce the concept of informed consent

Each of the following dental materials might not be imaged on a dental radiograph or may be only slightly visible except one. Which one is the exception?

A) Acrylic resins B) Sealants C) Silver points D) Base materials

Determining the vertical angulation for exposure of a cross-sectional occlusal radiograph is assisted by positioning the open end of the PID parallel to the external aiming device of the image receptor holder

Indicate whether the statement is true or false