(Lab or Lec? 3rd deck above) Communication w the Lab

Question 1

Work authorization is aka:

Answer 1

lab prescription

Question 2

Who can write lab Rx:

Answer 2

only dentists

Question 3

TF? Duplication of the interim resto is necessary.

Answer 3

T. To help lab know what final restoration should look like

Question 4

Factors to assess in cast wen communciating w lab

Answer 4

prep/ margins, locations, configurations - shape, margin clarity, interarch space

Question 5

When to use Knife edge margin:

Answer 5

ceramic-metal, metal disappearing

Question 6

Describe metal collar:

Answer 6

Dental porcelain, opaque porcelain, and metal substrate all meet. metal sustrate thickest, then dental porcelain, then opaque porcelain

Question 7

Describe ceramic margin:

Answer 7

All end at the same ht, dental porcelain thickest, then metal substrate, then opaque procelain

Question 8

Describe knife edge:

Answer 8

All 3 end at the same thickness

Question 9

4 types of PFM occlusal surface framework design:

Answer 9

Metal lingual, anterior, porcelain lingual anterior, metal posterior, porcelain posterior

Question 10

Pontic design that requires modification:

Answer 10

Ovate (most esthetic)

Question 11

4 types of pontics:

Answer 11

modified ridge lap, conical, hygienic, ovate

Question 12

Metal-ceramic framework best to worst:

Answer 12

All metal except for lingual, Metal on lingual only = porcelain on occlusal and B, metal on L and O, Metal on Apical 1/2 of L

Question 13

3 types of zirconia crowns:

Answer 13

fully layered, labial layered, monolithic

Question 14

2 types of LIDi crowns:

Answer 14

monolithic, layered

Question 15

How is the incisla edge guide made?

Answer 15

using putty (GC Pattern, right?)

Question 16

Guide for lab tech for where to place incisal edge of definitive resto:

Answer 16

incisal edge guide

Question 17

custom incisal guide is made following:

Answer 17

functional envelope

Question 18

What is used to make the custom incisal guide table?

Answer 18

duplicate of the interim resto because it’s been worn functionally and worn down. How long does this functional wear require?

Question 19

When to alter cement shade for crown cementation:

Answer 19

if the crown is translucent