CLINICAL MEDICINE

Detailed explanation-1: -When the receptor is not placed perpendicular to the occlusal plane, the occlusal plane will appear slanted or diagonal on the recorded image.

Detailed explanation-2: -Bitewing Technique The patient stabilizes the receptor by biting on a tab or bitewing holder. The central ray of the x-ray beam is then directed through the contacts of the posterior teeth in occlusion and at a +5º to +10º vertical angle.

Detailed explanation-3: -Mandibular region: For bisecting angle radiographic images of the mandible, the patient should be positioned so that the mandibular occlusal plane is parallel to the floor and the sagittal plane of the patient’s head is perpendicular to the floor.

Detailed explanation-4: -Incorrect horizontal angulation results in overlapped (unopened) contact areas. A film with overlapped contact areas cannot be used to examine the interproximal areas of the teeth.

Detailed explanation-5: -The receptor must be placed against the lingual surface of the tooth. The occlusal end of the receptor must extend approximately 1/8 of an inch beyond the incisal or occlusal surfaces.