Indirect Restos/Fixed Pros Summary

Question 1

Describe onlay prep

Answer 1

Flat pulpal floor
No undercuts
4-6 tapered walls
Butt joint CSMA
Rounded internal line angles
2mm buccal cusp reduction
1.5mm lingual cusp reduction

1mm supra gingival chamfer
OR
0.5mm chamfer (GOLD)

Question 2

List cements for ceramic onlay (2)

Answer 2

NEXUS
Relyx UNICEM

Question 3

List cements for gold onlay (3)

Answer 3

Relyx RMGI
Aquaccem
Panavia

Question 4

Steps for indirect preps

Answer 4

LA/shade/consent
Putty
Prep
U+L imps + bite
Temp

Question 5

Lab sheet for onlay

Answer 5

Please pour up imps in 100% dental stone
Mount casts to refi provided on semi adjustable articulator
Construct onlay tooth __ + material + shade

Question 6

Veneer prep

Answer 6

0.3mm chamfer
0.5mm within enamel
1.5mm incisal reduction

Question 7

Cement veneer options (2)

Answer 7

Nexus
Relax UNICEM

Question 8

Indications for veneers (4)

Answer 8

Close diastemas
Change shape/colour
Staining
Peg laterals

Question 9

Contraindications for veneers

Answer 9

High lip line
Recession

Question 10

Risk of devitalisation with indirects

Answer 10

20% risk in 5yrs

Question 11

Tx plan stages (5)

Answer 11

1. Immediate
   - Pain/XLa/extirpate
2. Initial
   - OHI,diet,caries,XLa/RCT
3. Re-evaluate
   - Perio/resto
4. Reconstructive
   - Fixed+removeable pros
5. Maintenance
   - Perio/restorative

Question 12

MCC prep

Answer 12

1.5mm occlusal
1.5mm buccal shoulder
0.5mm lingual chamfer

Question 13

Ceramic prep

Answer 13

1.5mm occlusal reduction
1mm buccal shoulder

Question 14

List principles of crown prep (6)

Answer 14

Preserve tooth structure
Retention
Structural durability - occlusal/axial
Marginal integrity - shoulder/chamfer
Preserve periodontium
Aesthetics