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Operative Final > Porcelain Veneers > Flashcards

Porcelain Veneers Flashcards

1
Q

Indications (8)

A
  1. Discolored teeth
  2. Mild misalignment
  3. Diastemas
  4. Length changes
  5. Contour/shape changes
  6. Fractures
  7. Endodontically-treaed teeth
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2
Q

Complications (6)

A
  1. Post-op sensitivity
  2. Debonding
  3. Fractures
  4. Wear of opposing dentition
  5. Marginal staining
  6. Unsatisfactory result
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3
Q

What four porcelain material options?

A
  1. Processed composite
  2. Feldspathic porcelain
  3. Pressed ceramic
  4. CAD-CAM
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4
Q

How much tooth reduction and margins placed on dentin or enamel?

A
  1. 0.3 to 0.5 mm

2. Enamel (higher bond strength and long term bond)

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5
Q

Incisal reduction - how much, what kind of finish on lingual

A

1.0 to 2.0

Lingual butt joint

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6
Q

Steps to preparation of veneer

A
  1. Facial depth cuts
  2. Gingival margin / connect depth cuts
  3. Incisal reduction
  4. Interproximal extensions (elbow)
  5. Round all angles
  6. Verify path of insertion / draw
  7. Make sure margins are adequately tucked into inter proximal regions
  8. Existing restorations removed/incorporated
  9. Larger diastema require further extension of prep in apical and lingual directions for proper contours
  10. Use silicone putty matrices to verify reduction
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7
Q

What is the preferred provisional bonding technique?

A

Spot Etch - Bond

  1. Etch a mid-facial spot
  2. LC bond only there
  3. Make provisional with stent or mold
  4. Remove stent/mold and finish
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8
Q

What do you use to try-in the veneers?

A

Clear try-in paste

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9
Q

Steps to prepare veneer for deliverY? (5)

A
  1. Wash out try-in paste for 15 sec
  2. Dry thoroughly, etch intaglio with HF
  3. Clean surface w/ 35% phosphoric acid
  4. Rinse thoroughly and dry
  5. Apply silane coupling agent (air dry)
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10
Q

Steps to cement veneer (7)

A
  1. Place cement in veneer and seat
  2. Remove gross uncured cement with micro brush
  3. Spot cure f/l for 2 seconds or as directed
  4. Remove partially cured cement
  5. LC all surfaces 40 seconds
  6. Finish margins with #12 blade, scales, micro diamonds, polishers
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11
Q

What are alternatives to veneering?

A
  1. Ortho
  2. Tooth whitening
  3. Perio plastic surgery
  4. Conservative composite
  5. Tooth recontouring
  6. Combo of procedures
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12
Q

What items are needed for diagnosis and treatment plan?

A
  1. 2-3 sets of pre-op casts
  2. Pre-op photographs (include shade tabs, lab technician, historical reference for pt)
  3. Wax-up
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13
Q

Provisional functions (4)

A
  1. Pulpal protection / decrease sensitivity
  2. Positional stability
  3. Occlusal function
  4. Esthetics
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Operative Final (3 decks)

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