onlay delivery

Question 1

indirect restoration delivery

Answer 1

1) extra oral assessment
2) intra oral assessment
- CIMOE
3) cementation
- restoration prep
- tooth prep

Question 2

extraoral assessment

Answer 2

1) assess on working die and model that was poured up or 3D printed from final impression or digital scan
2) unless you are doing in house restoration
- assess with software
3) proximal contact
- location, size, tightness
4) margins
- no voids, discrepancy, no rockiness, no overhangs or ledges

Question 3

intraoral assessment

Answer 3

1) THROAT PACK

Question 4

onlay cement for LDS onlay

Answer 4

1) which cement
- NX3 Dual Cure (ARC)
- RelyX Unicem (SARC weaker bond, not good for onlay)
2) what class
- ARC > SARC

Question 5

onlay cementation for zirconia onlay

Answer 5

1) how to make it bondable
a) AlO sandblasting + rinse with water + 10 MDP +adhesive (more common)
b) Siljet (silicatization) sand blasting + air + silane + adhesive

Question 6

onlay cementation for gold onlay

Answer 6

1) any cement because there are retentive features
- cheapest is relyX unicem

Question 7

side notes about zirconia

Answer 7

1) salivary phosphate inhibit primers
2) proteins and lipids have great affinity to it
3) must be cleaned but NOT with phosphoric acid
- it will bond to zirconia receptor sites
- can be used to clean LDS

Question 8

restoration prep

Answer 8

1) apply HF
2) wait 10 sec
3) rinse
- careful when rinsing
- suction or wipe off first
4) silane (sticks silica to resin)
- apply two layers
- wait 60 sec
- air thin no water
5) apply prelude
- black adhesive to the restoration (shield it)

Question 9

isolation

Answer 9

1) rubber dam

Question 10

tooth preparation

Answer 10

1) pumice
2) selective etch!!!!!
3) primer 15 sec
- air thin
4) adhesive, link
5) cementation

Question 11

adjustment

Answer 11

1) floss and check occlusion
2) do not create too many microfractures
- adjustments need to occur intraorally
3) polish it well so that the opposing enamel is not worn down