mandible (Rotation)

Question 1

Personal Protective
Equipment (PPE)

Answer 1

1. Must wear to provide patient care
   - Goggles (eyeglasses with side shields)
   - Mask
   - Gown
2. ## Other: no open toed shoes, long hair put up
3. Remove gown if you leave the clinic
4. Wear gown only for patient care
5. Gowns and PPE are not allowed in the interpretation
   rooms or the office
6. Dispose of gown in the Main Clinic at the end of the
   session

Question 2

Infection Control

Answer 2

1. Use gloves to clean operatory
2. Wipe down the operatory
3. Dirty cart
4. Wear gloves to touch mouse/keyboard, XCP,
   tubehead, control panel
   —
5. Monitor hand placement when wearing gloves
   - Ø cross arms, place on hips, touch your
   hair/badge
   - Ø adjust your mask/goggles

Question 3

room setup

Answer 3

1. Wipe down operatory
2. Place barrier for x-ray sensor and control panel
3. Cassette
   - Do not open until you are ready to take x-
   rays
4. ## Forceps to pick up cotton rolls/edge-ease
5. Turn on x-ray machine/control panel
6. Log into Axium
   - first time log in password: @xium
7. Chair positioning and adjustment
8. Ensure sensor wire in not tangled
9. Take care of clinic equipment
   - notify tech if maintenance is needed

Question 4

radiopacity

Answer 4

1) light on film
2) high density like enamel, cortical bone, amalgam

Question 5

radiolucency

Answer 5

1) low density
2) pulp canal, maxillary sinus, air space

Question 6

follicle

Answer 6

1) 1-2 mm wide
2) may have follicular cortication or not
3) if it is wider
- hyperplastic follicle
4) 8-10 mm is not normal
- abnormality, cyst or benign tumor
- dentigerous cyst/OKC/ameloblastoma

Question 7

good trabecular pattern

Answer 7

1) can define the trabeculae well
2) fine horizontal lines

Question 8

radiolucency in dentin

Answer 8

1) disease

Question 9

abnormally wide PDL

Answer 9

1) disease

Question 10

submylohyoid depression

Answer 10

1) submandibular fossa
2) lack of trabecular pattern

Question 11

landmarks

Answer 11

1) external oblique ridge
2) internal oblique ridge
3) mylohyoid ridge
- may continue with IOR
4) alveolar crest
5) inferior border of mandible
- 3-5 mm
6) IA canal
- can loop into mental foramen

Question 12

mental foramen

Answer 12

1) in premolar region, near roots

Question 13

dense bone island

Answer 13

1) idiopathic osteosclerosis

Question 14

mandibular torus

Answer 14

1) radiopaque
2) lingual aspect of premolar and canines

Question 15

genial tubercule

Answer 15

1) bony projection on lingual cortical plate

Question 16

nutrient canals

Answer 16

1) radiolucent lines near roots

Question 17

mental fossa

Answer 17

radiolucent depression between alveolar ridge and mental ridge

Question 18

mental ridge

Answer 18

1) pyramid shape
- peak is at midline of mandible