Casting Porosity I Wax Fabrication I Investing I Burnout | Suck Back | Microporosity | Pinhole I Back Pressure Porosity | Dental Materials I Prosthodontics and Conservative Dentistry I Second Year BDS | 15-Minute Dentistry

Contents
0:00 Introduction
0:25 Wax Fabrication
1:14 Investing Procedure
1:55 Burnout
2:30 Mold Cavity After Burnout
3:05 Casting - Centrifugal Casting Machine
4:01 Induction Melting Machine
4:32 Casting Defect Classification
4:46 Distortion
7:00 Surface Roughness and Irregularities
9:16 Porosity
9:43 Localized Shrinkage Porosity
10:50 Suck Back Porosity
12:32 Microporosity
13:06 Pin Hole Porosity
13:40 Gas Inclusion Porosity
14:10 Sub Surface Porosity
14:29 Back Pressure Porosity
16:10 Incomplete Casting
16:52 Contamination

VerTist

#casting #defects #porosity

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