gingival reteaction and tissue management

Question 1

gingival retraction

Answer 1

• Temporarily displaces gingival tissue mainly during a crown and bridge
• Widens the gingival sulcus

Question 2

how is a gingival retraction cord placed

Answer 2

• Placed after the tooth preparation is completed and just before final impression is completed

• Involves packing a retraction cord into the sulcus

Question 3

3 types of gingival retraction

Answer 3

• Chemical (most common)-placing packing cord
• Mechanical-moving of tissue around the tooth
• Surgical-removal of hypertrophied tissue
-most common is electrosurgery

Question 4

two types of gingival retraction cords

Answer 4

impregnated
non impregnated

Question 5

impregnated gingival retraction cord

Answer 5

• Contains astringent to control the bleeding and temporarily shrink the tissue

Question 6

3 types of impregnated gingival retraction cord

Answer 6

vasoconstrictor
hemostatic agent
10% aluminum chloride

Question 7

what type of gingival retraction cord would you use if your patient had a heart condition?

Answer 7

10% aluminum chloride

Question 8

non impregnated gingival retraction cord

Answer 8

• Does not contain chemicals
• Retracts the tissue by force

Question 9

what direction do you remove the gingival retraction cord

Answer 9

• Remove the cord in a counterclockwise direction

Question 10

when do you remove the gingival retraction cord

Answer 10

• Remove the cord just before taking the final impression