This document discusses the measures to minimize radiation in dental radiography for the safety of patients, operators, and others. It also explains the patient requirements and operator responsibilities. The document provides information on positioning an x-ray film for a periapical x-ray of maxillary molars, the requirements for the operator when using the bisected angle technique, the Radiation Act and Code of Practice for radiation protection in dentistry, setting up radiographic imaging equipment for an OPG, different processing procedures for wet processing, and quality assurance measures for exposed dental radiographs.