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Download Orthopantomograph OP200 D
Transcript
11 Diagnosing image quality problems High quality images with sharp contrast and good detail present optimum diagnostic information. Images with less quality are usually the result of one or more common problems, which are discussed here. 11.1 Patient positioning problems Problem Incisors and canines narrow and unsharp. Overshadow in molar and premolar areas. Rows of teeth are compressed. Possible Cause Remedy 1. Occlusal correction of focal trough set too far posterior 1. Check patient positioning with laser light lines and occlusion correction buttons 2. Image layer laser light not obeyed 3. Bite block was not used AUP 2. Check patient positioning with laser light lines and occlusion correction buttons 3. Insert bite block Incisors and canines wide and unsharp. Rows of teeth widened. 1. Occlusal correction of focal trough set too far anterior 2. Image layer laser light not obeyed ABACK 3. Bite block was not used 1. Check patient positioning with laser light lines and occlusion correction buttons 2. Check patient positioning with laser light lines and occlusion correction buttons 3. Insert bite block 5139796-100 rev 4 Instrumentarium Dental 95
