Class Ii Gold Inlay

Front 1

AN INTRACORONAL RESTORATION THAT INVOLVES THE OCCLUSAL AND PROXIMAL SURFACE(S) OF A POSTERIOR TOOTH AND MAY CAP ONE OR MORE BUT NOT ALL OF THE CUSPS

Back 1

1. CLASS II GOLD INLAY

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ADVANTAGES OF USING GOLD INLAY

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1. INITIAL CARIOUS LESION
2. REPLACEMENT OF EXISTING FAILING AMALGAM/COMPOSITE RESTORATION
3. PATIENT W/ EXISTING GOLD RESTORATIONS: ELIMINATION OF ELECTRICAL AND CORROSIVE ACTIVITY
4. BIOCOMPATIBILITY OF GOLD: EXCELLENT TARNISH RESISTANCE
5. SUPERIOR PHYSICAL PROPERTIES: CAST METAL BETTER W/STAND OCCLUSAL FORCES
6. SUPERIOR CONTROL OF CONTOURS AND MARGINAL ADAPTATION
7. LONGEVITY
8. COST BENEFIT

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DISADVANTAGES OF USING GOLD INLAY

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1. ESTHETIC CONCERNS
2.WIDE AND DEEP PREPARATIONS
3. ADDITIONAL REMOVAL OF TOOTH STRUCTURE DURING CAVITY PREPARATION
4. COST

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GOLD INLAY REQUIRES TWO APPOINTMENTS: FIRST APPOINTMENT IS TO

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1. TOOTH PREPARATION
2. FABRICATION OF PROVISIONAL RESTORATION
3. FINAL IMPRESSION

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GOLD INLAY REQUIRES TWO APPOINTMENT: SECOND APPOINTMENT IS TO

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1. GOLD INLAY ADJUSTMENT
2. FINAL POLISHING
3. CEMENTATION OF INLAY

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PROCESS OF GOLD INLAY IN THE LABORATORY

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1. WORKING CAST
2. WAX-UP INLAY PATTERN
3. CASTING GOLD INLAY

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INSTRUMENTS US TO PREPARE GOLD CLASS II INLAY

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1. HIGH SPEED HANDPIECE
2. PROBE
3. HATCHET
4. MARGINAL TRIMMER
5. THOMPSON CONDENSER
6. #169L BURS
7. # 271 BURS
8. FLAME DIAMOND BUR

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PREPARATION SEQUENCES OF GOLD INLAY

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1. CONVENIENCE AND OUTLINE FORM
2. RETENTION AND RESTANCE FORM
3. PREPARATION OF FLARES AND BEVELS

Front 9

WHAT DETERMINED THE OUTLINE FORM IN GOLD INLAY PREPARATION

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1. EXISTING RESTORATION
2. CARIOUS OUTLINE FORM
3. INTERPROXIMAL CARIOUS LESION

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AN OUTLINE WHICH SHOULD END AT LEAST 1.00 MM FROM THE OCCLUSAL

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1. OCCLUSAL OUTLINE

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A TAPER BUR GOOD FOR GOLD INALAY AND SHOULD ALINGN PARALLEL TO THE LONG AXIS OF THE ROOT

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1. # 271 BURS

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ISTHMUS WIDTH SHOULD BE

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1. 1.0 -1.5 MM

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DEPTH OF GOLD INLAY IS

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1. 1.5- 2:00 MM

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PROXIMAL BOX IS EXTENDED 3 PLACES TO THE POINT WHERE THE BOX BREAKS CONTACT W/ THE ADJACENT TOOTH AND BEYOND CARIOUS LESION

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1. FACIALLY
2. LINGUALLY
3. GINGIVALLY

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WHAT IS NECESSARY TO PROVIDE ACCESSIBILITY FOR THE FINAL FLARING OF THE PREPARATION AND FINISHING OF THE RESTORATION

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1. INTERPROXIMAL CLEARANCE

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CHARACTERISTICS OF GINGIVAL FLOOR FOR A GOLD INLAY PREP

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1. 1.0-1.5MM WIDE MESIO-DISTALLY(AXIAL WALL DEPTH)
2. FOLLOWS TOOTH CONTOUR
3. PARALLEL TO THE PULPAL FLOOR AND OCCLUSAL PLANE

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TO PROVIDE A MAXIMUM RESISTANCE

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1. PULPAL FLOOR SHOULD BE FLAT.
2. EVEN DEPTH
3. PERPENDICULAR TO THE PATH OF INSERTION
4. FACIAL/LINGUAL WALL DIVERGENT
5. AXIAL WALL MUST BE CONVERGENT TO THE LONG AXIS OF THE PREP AND SHOULD FOLLOW THE CONTOUR OF THE TOOTH
6. MAINTAIN THE MINIMAL TAPER OF 2-5 DEGREES / WALL

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PREPARATION OF BEVELS AND FLARES AT

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1. OCCLUSAL BEVEL
2. GINGIVAL BEVEL
3. LINGUAL AND BUCCAL FLARE
4. AXIO-PULPAL LINE ANGLE BEVEL

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PURPOSE OF THE BEVEL IN A GOLD INLAY PREP IS TO

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1. TO REMOVE UNSUPPORTED, WEAK ENAMEL RODS RESULTING IN STRONG ENAMEL MARGIN W/ AN ANGLE OF 140-150 DEGREES
2. TO CREATE 30-40 DEGREES MARGINAL BURNISHABLE METAL
3. TO SEAL AND PROTECT THE MARGIN

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OCCLUSAL OF GOLD INLAY IS BEVEL W/

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1. FLAME DIAMOND BUR

Front 21

A BEVEL PLACED AROUND THE ENTIRE PERIPHERY OF THE OCCLUSAL PORTION OF THE PREPARATION

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1. OCCLUSAL BEVEL

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PLACEMENT OF OCCLUSAL BEVEL IS ASSOCIATED W/

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1. MAINTAIN A 40 DEGREE ANGLE B/W THE SIDE OF THE BUR AND THE EXTERNAL ENAMEL SURFACE

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WIDTH OF THE OCCLUSAL BEVEL SHOULD BE

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1. 0.5-1.0 MM

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TYPES OF SECONDARY FLARES DIRECTED TO RESULT IN 40 DEGREE MARGINAL METAL

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1. BUCCAL AND LINGUAL FLARES

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CAREFUL BLEND OF THESE 3 SHOULD PRODUCE A SMOOTH, CONTINUOUS FINISH LINE

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1. PROXIMAL FLARES
2. OCCLUSAL BEVEL
3. GINGIVAL BEVEL

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INTERPROXIMAL CLEARANCE IS EVALUATED W/ AN

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1. EXPLORER

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A LINE ANGLE BEVELED TO AN ANGLE OF 45 DEGREE IN GOLD INLAY PREP

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1. AXIOPULPAL LINE ANGLE

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A MARGINAL DEFECTS IN A GOLD INLAY PREP MAY LEAD TO

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1. RECURRENT CARIES
2. ADJACENT TEETH CARIES
3. GINGIVAL INFLAMMATION

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CONCEPT OF REDUCING THE MARGINAL OPENING OF CASTINGS BY THE USE OF A BEVELED FINISHING LINE WAS PRESENTED BY

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1. ROSNER IN 1963

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A TYPE OF BEVELS WHICH SEAL TOOTH BETTER

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1. LONG HIGH ANGLED BEVEL

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WHERE ARE SLIDING JOINT EFFECT IS ONLY VALID

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1. ADAPTATION OF THE CASTING IS EXACT
2. PURELY VERTICAL DISPLACEMENT

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FEATURES OF A CLASS II INLAY PREPARATION

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1. OCCLUSAL BEVEL
2. PROXIMAL BOX
3. GINGIVAL BEVEL
4. PROXIMAL FLARE
5. ISTHMUS
6. DOVE TAIL

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A FEATURES OF CLASS II INLAY PREP ASSOCIATED W/ MARGINAL INTEGRITY

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1. OCCLUSAL BEVEL
2. GINGIVAL BEVEL
3. PROXIMAL FLARES

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FEATURES OF CLASS II GOLD INLAY PREP ASSOCIATED W/ RETENTION AND RESISTANCE AND ALSO STRUCTURAL DURABILITY

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1. PROXIMAL BOX
2. ISTHMUS
3. DOVE TAIL

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IN GOLD INLAY PREP 2 EXTENSIONS THAT SHOULD BE CONSERVATIVE

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1. ISTHMUS EXTENSION
2. INTERPROXIMAL EXTENSION

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IN GOLD INLAY PREP WHAT WILL EXTENT THE PREPARATION

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1. OCCLUSAL BEVEL
2. INTERPROXIMAL FLARES

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WHAT IN A GOLD INLAY PREP IS NARROW AT ITS GINGIVAL END AND WIDER AT ITS OCCLUSAL END

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1. FLARES

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BOTH BUCCAL AND LINGUAL FLARE SHOULD SLIGHTLY BE AT

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1. CENTER OF THE TOOTH

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FABRICATION OF GOLD INLAY: STEPS IN LABORATORY

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1. FINAL IMPRESSION IS POURED IN DIE STONE
2. INLAY WAX PATTERN FABRICATED ON WORKING CAST
3. SPRUING, INVESTING AND CASTING OF THE GOLD INLAY
4. SEATING, ADJUSTING AND POLISHING THE CASTING

Front 40

TRUE OR FALSE: BUCCAL FLARE LEANS SLIGHTLY TO THE BUCCAL; LINGUAL FLARES SLIGHTLY TO THE LINGUAL

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1. TRUE