Final Lecture Review

Question 1

What is added to gypsum to accelerate the set time?

Answer 1

Potassium sulfate
Set gypsum

Question 2

Which liner acts to stimulate dentin formation?

Answer 2

Calcium hydroxide

Question 3

Alginate that appears grainy and has low strength results from what?

Answer 3

Under mixing

Question 4

Adding what will slow the setting time of gypsum?

Answer 4

Borax

Question 5

The addition of what to composite material makes it appear more radiopaque?

Answer 5

Barium
Strontium

Question 6

What is the difference between vital & non vital tooth bleaching?

Answer 6

Non vital: dead pulp (walking method)
Vital: alive pulp

Question 7

Increasing resin does what to the polymerization shrinkage?

Answer 7

Increases it

Question 8

Increasing resin does what to the coefficient of thermal expansion?

Answer 8

Increases it

Question 9

Increasing resin does what to the strength?

Answer 9

Decreases it

Question 10

What happens to polymerization shrinkage if filler is increased?

Answer 10

Decreases it

Question 11

What happens to coefficient thermal expansion if filler is increased?

Answer 11

Decreases it

Question 12

Increasing filler content does what to the strength?

Answer 12

Increases it

Question 13

What are three contraindications to having implants?

Answer 13

Smoking
Immunocompromised
Uncontrolled diabetes

Question 14

Increasing the water to powder ratio of gypsum will do what to the strength of the final model?

Answer 14

Decrease it

Question 15

What does syneresis & imhibition do?

Answer 15

Syneresis: shrink
Imhibition: Increase in size

Question 16

What are two contraindications to tooth bleaching?

Answer 16

Underage
Sensitivity

Question 17

Amalgam restorations are held in place via what? Example?

Answer 17

Mechanical retention
Ex: undercut

Question 18

What type of surface does polishing create?

Answer 18

Smooth, shiny surface

Question 19

What is the difference between an inlay & onlay?

Answer 19

Inlay: not on cusps, sits between them
Onlay: covers cusps

Question 20

How should a tooth appear after applying acid etch?

Answer 20

White, chalky

Question 21

What does abtundent mean?

Answer 21

Soothes the pulp

Question 22

What cement is abtundent (pulp soothing)?

Answer 22

Zinc-oxide eugenol (ZOE)

Question 23

Solids formed by dissolving material into liquid is known at what?

Answer 23

Precipitation

Question 24

Heat produced by a chemical reaction is what?

Answer 24

Exothermic

Question 25

What is galvanism?

Answer 25

Shock from two dissimilar metals

Question 26

Decreasing the water to powder ratio will do what to the working time?

Answer 26

Decrease it

Question 27

What is creep?

Answer 27

Small changing in shape overtime from compressive force

Question 28

What material is creep susceptible to?

Answer 28

Amalgam

Question 29

What alloy shape takes more force to condense?

Answer 29

Lathe cut

Question 30

We work with abrasive from _____ to _____.

Answer 30

Coarsest to finest

Question 31

Why do we polish?

Answer 31

To create a smooth surface

Question 32

What cement is mixed on a cool glass slab?

Answer 32

Zinc phosphate

Question 33

What needs placed before placing zinc phosphate cement?

Answer 33

Liner

Question 34

Why do we used a perio pack?

Answer 34

Protects the surgical site

Question 35

Why do we scallop the gingival margin of bleaching trays?

Answer 35

To prevent bleaching the gingiva

Question 36

What are two recommendations to sooth sensitivity after bleaching?

Answer 36

Sensitive toothpaste NSAIDS

Question 37

What are the three parts of CAD/CAM technology?

Answer 37

Software system Milling machine Scanner

Question 38

What fixed indirect restoration replaces a missing tooth?

Answer 38

Bridge

Question 39

Alloplast is a bone graft from what?

Answer 39

Synthetic bone

Question 40

What are the three parts of a permanent implant?

Answer 40

Implant Abutment Crown