DENT 1040 Chapter 44 Extrinsic Stain Removal

Question 1

Technique

Answer 1

A. Anterior teeth: handpiece nozzle at 60 degree angle to facial and lingual surfaces
B. Posterior teeth: handpiece nozzle at 80 degree angle to facial and lingual surfaces
C. Occlusal surfaces: handpiece nozzle at 90 degree angle to occlusal plane

Question 2

Technique

Answer 2

A. Anterior teeth: handpiece nozzle at 60 degree angle to facial and lingual surfaces
B. Posterior teeth: handpiece nozzle at 80 degree angle to facial and lingual surfaces
C. Occlusal surfaces: handpiece nozzle at 90 degree angle to occlusal plane

Question 3

Incorrect Air-powder Polishing technique

Answer 3

causes excess aerosol production; NEVER angle nozzle directed into gingival sulcus or periodontal pocket

Question 4

Facial emphysemas

Answer 4

occur due to abnormal introduction of air into subcutaneous tissues or interstitial spaces, prevented by avoiding theuse of compressed air/ air-water around extraction sites, small areas open to subcutaneous tissues; can get extreme

Question 5

Air-Powder polishing contraindicated:

Answer 5

pts w/physician-directed sodium-restricted diet; respiratory diseases and like; pt w/end-staged renal disease, Addision’s disease or Cushing’s disease; immunocompromised pts; pts taking potassium, anti-diuretics, or steroid-therapy; on root surfaces, soft and spongy gingiva, or restorative materials

Question 6

Incorrect Air-powder Polishing technique

Answer 6

causes excess aerosol production; NEVER angle nozzle directed into gingival sulcus or periodontal pocket

Question 7

Facial emphysemas

Answer 7

occur due to abnormal introduction of air into subcutaneous tissues or interstitial spaces, prevented by avoiding theuse of compressed air/ air-water around extraction sites, small areas open to subcutaneous tissues; can get extreme

Question 8

Air-Powder polishing contraindicated:

Answer 8

pts w/physician-directed sodium-restricted diet; respiratory diseases and like; pt w/end-staged renal disease, Addision’s disease or Cushing’s disease; immunocompromised pts; pts taking potassium, anti-diuretics, or steroid-therapy; on root surfaces, soft and spongy gingiva, or restorative materials