PMC

Radiation dose measurement at multiple sites: a) Radiophotoluminescent glass dosimeters (RPLDs) are placed on five points inside or outside the radiation protective glasses. 1. Temple at the opposite side of the X-ray tube inside the safety glasses, 2. Cheek at the opposite side of the X-ray tube inside the safety glasses, 3. Cheek at the X-ray tube-side inside the safety glasses, 4. Temple at the X-ray tube-side inside the safety glasses, 5. Temple at the X-ray tube-side outside the safety glasses. b) RPLDs are placed on nine points: neck, chest, abdomen (inside and outside the lead apron), both elbows and both hands. 6. Neck, 7, 8. Chest outside and underneath the lead apron, 9, 10. Abdomen outside and underneath the lead apron, 11, 12. Elbows, 13, 14. Hands.

Leukoplakia plaque on inside of the right cheek

Wickham striae on inside of the right cheek

Figure 4. A guinea pig in which maxillary spurs extend buccally and end up lacerating the inside of the cheek.