title: [Safe use of x-ray in clinical dentistry].
mesh_terms: D000398:Air Pollution, Radioactive / Q000032:analysis; D006801:Humans; D008452:Maximum Allowable Concentration; D011829:Radiation Dosage; D011835:Radiation Protection / Q000295:instrumentation / Q000592:standards*; D011861:Radiography, Dental / Q000592:standards*