Troubleshooting Part 1: Pan eXam Plus

Problem Pan eXam PlusTips & Tricks for Patient positioning in the best possible way

High quality images with sharp contrast and good detail provide optimum diagnostic information. Images with less quality are usually the result of one or more common problems.

 

Problem Pan eXam Plus Problem 1: Incisors and canines narrow and unsharp. Overshadow in molar and premolar areas. Rows of teeth are compressed.

Possible cause

  1. Occlusal correction of focal trough set too far posterior
  2. Image layer laser light not obeyed
  3. Bite block was not used

Remedy

  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

 

Problem Pan eXam PlusProblem 2: Incisors and canines wide and unsharp. Rows of teeth widened.

 

Possible cause

  1. Occlusal correction of focal trough set too far anterior
  2. Image layer laser light not obeyed
  3. Bite block was not used

Remedy

  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

 

Problem Pan eXam PlusProblem 3: Teeth appear wider on one side and narrower on the opposite. Ramus widths are different on opposite sides.

Possible cause

  1. Midsagittal line not obeyed
  2. Patient’s head not in center position

Remedy

  1. Check patient’s mid sagittal plane with laser light line
  2. Check that patient’s head is centered, and that the head support side clamps where closed to keep the head straight.

 

Problem Pan eXam PlusProblem 4: The shadow of hard palate is exposed over maxillary molars. Row of teeth has a wavy appearance. TM joints are exposed outward. Image is not “smiling”. Mandible is imaged sharper than maxilla.

Possible cause

Patient head tilted back

Remedy

Check FH plane

 

Problem Pan eXam PlusProblem 5: Rows of teeth curved upwards. Mandibular incisors are unsharp. TMJ joints exposed high and are often cut off from the image. Image is “smiling” too much.

Possible cause

Patient head tilted forward

Remedy

Check FH plane

 

Further tips and tricks for patient positioning in the best possible way will follow soon.

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