5 Questions
According to G.V Black principles, a Class II cavity presents in the proximal surface of which teeth?
Molars and premolars
What is the first step in the outline form for cavity preparation according to G.V Black principles?
Remove all the carious lesions
What should be the long axis orientation of the bur during lateral extensions for outline form preparation?
Parallel to the long axis of tooth structure
What should be done before extending into the involved proximal surface during cavity preparation?
Determine the final location of the facial and lingual walls relative to the contact area
What kind of movement is recommended when making a ditch cut in the gingival direction with the fissure bur for cavity preparation?
Pendulum-like movement
Study Notes
Class II Cavity Preparation
- A Class II cavity presents on the proximal surface of premolars and molars.
G.V Black Principles for Cavity Preparation
- The first step in the outline form for cavity preparation is to establish the outline form to resist fracture.
Orientation of Bur during Lateral Extensions
- The long axis of the bur should be parallel to the long axis of the tooth during lateral extensions for outline form preparation.
Preparing Involved Proximal Surface
- The proximal surface should be isolated before extending into the involved proximal surface during cavity preparation.
Ditch Cut Movement
- A gentle, rocking movement is recommended when making a ditch cut in the gingival direction with the fissure bur for cavity preparation.
Test your knowledge on Class II cavity preparation for amalgam restoration according to G.V. Black principles. Explore the nomenclature and outline form requirements for this type of cavity.
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