Operative II-E1:Gold Onlays Flashcards Preview

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Flashcards in Operative II-E1:Gold Onlays Deck (45):
1

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

removed..cusps...enamel

2

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

retention

3

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

FELDSPATHIC ceramic!!

4

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

an INLAY

5

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

Crowns!

6

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

an ONLAY

7

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

an ONLAY

8

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

an INLAY

9

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

a CROWN

10

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

inlay

11

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

onlay

12

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

onlay

13

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

Inlay

14

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

Inlay

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.

Onlay

16

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

occlusal

17

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

onlay

18

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

VITAL...FRACTURES

19

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

ISTHMUS

20

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

THIN

21

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

FRACTURED

22

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

group function

23

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

BRUXISM

24

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

aesthetic zone

25

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

feldspathic ceramic

26

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

2nd molars (high occ loading

27

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

ENDODONTICALLY

28

An Onlay is a _________ partial crown

conservative

29

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

pulpal

30

______-gingival margins of onlays promote gingival health

supra-gingival margins

31

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

insertion

32

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

rounded....supra-gingival

33

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

thinner

34

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

greater than or equal to 1.0mm

35

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

greater than or equal to 1.5mm

36

Gold is dimensionally stringer than ______ or _______

ceramic or amalgam

37

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

less than 90 degrees

38

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

narrower

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

Hood...1.0mm deep

40

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

burnished

41

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

cemented...friction

42

Gold preps require ___ degrees of taper

6 degrees

43

How big is the marginal gap for cement?

35-50 microns

44

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

divergent

45

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

Skirting