Operative II-E1:Gold Onlays

Question 1

Tx Plan-Advantage for Gold: Less tooth ______ than a crown, Protects the _____ of the tooth, and the WEAR rate is similar to ______

Answer 1

removed..cusps…enamel

Question 2

Tx Plan-DISAdvantage for Gold: Relies on sound tooth structure for _______

Answer 2

retention

Question 3

Tx Plan-Advantage for Gold: IT SHOULD NOT OPPOSE WHAT MATERIAL? (beeee specific)

Answer 3

FELDSPATHIC ceramic!!

Question 4

Gold Options: Which option has the least amount of tooth removed?

Answer 4

an INLAY

Question 5

Gold Options: What type of prep is THE MOST PROTECTIVE OF ALL RESTORATIONS?

Answer 5

Crowns!

Question 6

Gold Options: Which prep has less tooth removed than a crown AND protects cusps?

Answer 6

an ONLAY

Question 7

Gold options: Which prep relies on sound tooth structure for retention?

Answer 7

an ONLAY

Question 8

Gold Option: Which prep relies on tooth strength to retain and DOES NOT protect cusps?

Answer 8

an INLAY

Question 9

Gold Option: Which prep removes the most tooth structure and should not oppose feldspathic ceramic?

Answer 9

a CROWN

Question 10

Whats the difference? What prep is an intra-coronal restoration?

Answer 10

inlay

Question 11

Whats the difference? What prep is an extra-coronal restoration?

Answer 11

onlay

Question 12

Whats the difference? What prep is used when cusps are missing and the tooth needs PROTECTION?

Answer 12

onlay

Question 13

Whats the difference? What prep is used only when significant tooth structure remains?

Answer 13

Inlay

Question 14

Whats the difference? What prep does NOT procect the tooth?

Answer 14

Inlay

Question 15

Gold ______ Restoration: One or more of the cusps of a tooth and is designed to strengthen a tooth that has been weakened by caries or previous fillings.

Answer 15

Onlay

Question 16

An ONLAY Covers the _______ surface of at least all portions of the tooth involved in occlusal function

Answer 16

occlusal

Question 17

An ______ prep Includes all areas of caries, fracture, and defects

Answer 17

onlay

Question 18

5 indications for Gold Onlays: 1) _____ tooth with incomplete tooth _______ that are limited to the coronal tooth structure

Answer 18

VITAL…FRACTURES

Question 19

5 indications for Gold Onlays: 2) Large restorations where the _______ is wide and/or deep

Answer 19

ISTHMUS

Question 20

5 indications for Gold Onlays: 3) Areas where the cusps are too ______

Answer 20

THIN

Question 21

5 indications for Gold Onlays: 4) Large restorations that are ________ and involve cusps

Answer 21

FRACTURED

Question 22

5 indications for Gold Onlays: 5) Patients with _________ type occlusion

Answer 22

group function

Question 23

5 CONTRAindications for Gold Onlays: 1)Patients that have what occlusial pathology?

Answer 23

BRUXISM

Question 24

5 CONTRAindications for Gold Onlays: 2) Areas in the _______ zone

Answer 24

aesthetic zone

Question 25

5 CONTRAindications for Gold Onlays: 3) Teeth that oppose _______ restorations

Answer 25

feldspathic ceramic

Question 26

5 CONTRAindications for Gold Onlays: 4) Which group of teeth?

Answer 26

2nd molars (high occ loading

Question 27

5 CONTRAindications for Gold Onlays: 5) _________ treated teeth, they are brittle

Answer 27

ENDODONTICALLY

Question 28

An Onlay is a _________ partial crown

Answer 28

conservative

Question 29

Onlay: Less chance of _______ pathology since less tooth is removed

Answer 29

pulpal

Question 30

______-gingival margins of onlays promote gingival health

Answer 30

supra-gingival margins

Question 31

Onlay preps need to allow for _______ to evaluate fit before cementing

Answer 31

insertion

Question 32

All internal line angles should be _______ and the margins should be ________

Answer 32

rounded....supra-gingival

Question 33

Guess what??! Gold can be _______ than ceramic, so its more CONSERVATIVE!

Answer 33

thinner

Question 34

How much clearance, Clarance do we need on the NON-functional cusp?

Answer 34

greater than or equal to 1.0mm

Question 35

How much clearance, Clarance do we need on the Fxn cusp?

Answer 35

greater than or equal to 1.5mm

Question 36

Gold is dimensionally stringer than ______ or _______

Answer 36

ceramic or amalgam

Question 37

COOL for an onlay, our margin profile may be thinner, like the angle of departure can be

Answer 37

less than 90 degrees

Question 38

Also for an onlay the isthmus can be ______ compared to ceramic or amalgam.

Answer 38

narrower

Question 39

When the functional cusp or tooth is weak or the isthmus is deep, we'll ______ or cover the functional cusp. It should be ____mm deep

Answer 39

Hood...1.0mm deep

Question 40

Gold is ______ against the margins during delivery for better adaptation.

Answer 40

burnished

Question 41

Gold is ________ to the tooth, therefore it is retained by _______

Answer 41

cemented...friction

Question 42

Gold preps require ___ degrees of taper

Answer 42

6 degrees

Question 43

How big is the marginal gap for cement?

Answer 43

35-50 microns

Question 44

If we want to increase retention for an only prep, adding slots/troughs should be _______

Answer 44

divergent

Question 45

________: An extracoronal extension onto the FACIAL or LINGUAL surface just past the proximal line angle of the tooth..Increases retention & resistance

Answer 45

Skirting