Week 2 PP

Question 1

Where is gingival cord placed ffor veeners?

Answer 1

placed facial only

Question 2

Where is gingival cord placed for Crowns?

Answer 2

Plaecd around the entire tooth

Question 3

Where is gingival cord placed for Inlay & Onlay?

Answer 3

None required

Question 4

Cord Retraction Facts..

Answer 4

-required by dental tech to fabricate fixed cast
-placed subgingival around the floor of the sulcus
-cord forces the tissue temporary away from the tooth by mechanical force

Question 5

Why is Cord Retraction placement technique important?

Answer 5

tissue damage requires up to 14 days to heal

permanent loss of gingival crest may result

Question 6

What is the objective of the gingival retraction cord instrument?

Answer 6

The objective is to place the retraction cord without damaging the surrounding gingival tissues

Question 7

What is a nonimpregnated rectraction cord?

Answer 7

Does not contain chemicals

Question 8

What is an impregnated retractin cord?

Answer 8

-with 5-10% aluminum chloride
-controls BLEEDING (Hemodent) causes the desired provisional shrinkage of tissues
-safe to use with cardiovascular patients

Question 9

Variations of Gigival Rectraction Cords?

Answer 9

• untwisted, twisted, braided
• various degrees of thickness

Question 10

What sizes of gingival retraction cords are available?

Answer 10

000

#00
#0
#1 mm
#2 mm
#3 mm

Question 11

Medical History Alert for Epinephrine Impregnated Cords

Answer 11

-Hemophiliacs or patients on aspirin therapy (blood thinner) should use a stronger more potent agent
-Vasoconstrictors (ephinephrine) should be avoided in patients who have hypertension, heart disease, or hyperthyroidism

Question 12

Mechanical Gingival Retraction Cor Methods..

Answer 12

1. Physical without chemical (2 or 1 cord)
2. Physical with added chemical (2 or 1 cord)
3. Surgical

Question 13

What is Hemodent?

Answer 13

To help with gum bleeding - if there is bleeding they will continuously spray this during cord placement

Question 14

What types of cords are used for double cord placement?

Answer 14

Thinner cord is placed first, thicker cord is placed 2nd

Question 15

When is the surgical method used?

Answer 15

Hypertrophied gingival tissue present

• Tissue is removed
  *electrosurgery
  *surgical knife
  *laser

Question 16

What to communicate to patient for cord placing using instrument?

Answer 16

• Gums may be sore after
• Some pushing, pressure
• It should not hurt ( pt. anesthetized)
• May need to take Advil etc.

Question 17

What to communicate to patient for Surgical (electrosurgery/laser)?

Answer 17

• Smell/ smoke expected
• HVE used to reduce smell/smoke
• Gums may be sore
• May need to take Advil etc.
• Safety glasses used when operating laser for all

Question 18

IPC for Gingival Retraction Cord Placement??

Answer 18

• Cut the cord ahead of time with clean hands so the cord is not contaminated.
• Keep cord container away
  *Disinfect cord container twice after patient is dismissed