Exam 3 Occlusal Techniques

Question 1

Name common uses for occlusal radiographs

Answer 1

• Localizing foreign objects in the maxilla or mandible
• Locate supernumerary, unerupted or impacted teeth
• Evaluating extent of disease in jaw
• Detecting stone in submandibular gland
• For patient who cannot open mouth
• For children too small for periapical films

Question 2

Film size for Occlusal Techniques

Answer 2

Size #4

Question 3

Occlusal Techniques is based on Paralleling technique or bisecting technqiue

Answer 3

BIsecting

Question 4

- Head position-maxillary
occlusal plane 0° angle or
parellel with the floor (our
machines require us to tilt
patient back)
- Place on mandibular teeth l
 -White side facing BID
- Gently bite
- -55°
- Central ray-through
mandibular symphysis
- Time – manufacturer
- .400 seconds

Answer 4

Mandibular Topographic

Question 5

- Head position-maxillary
occlusal plane vertical and
at right angle to the floor 
- Place on lower teeth 
- White side facing BID 
- Gently bite 
- Central ray 1 inch below
chin and perpendicular to
film 
- Time - manufacturer

Answer 5

Mandibular Cross- Sectional

Question 6

- Head position-midsagittal
plane perpendicular with
floor and occlusal plane
parallel
- Place on maxillary teeth l White side facing BID
- Gently bite
-  +65°
- Central ray directed 0.5
inches above tip of nose 
- Time/ manufacturer

Answer 6

Maxillary Topographic

Question 7

- Head position-midsagittal
plane perpendicular with
floor and occlusal plane
parallel 
- Place on maxillary teeth 
- White side facing BID 
- Shift to side of interest 
- Gently bite 
- +60° l Time
 - manufacturer

Answer 7

Maxillary lateral