What describes the orientation of the buccal and lingual walls in a dental preparation?
Understand the Problem
The question is asking about the orientation of the buccal and lingual walls in dental preparation, specifically which answer choice correctly describes their alignment relative to the crown's long axis. This involves understanding dental terminology and concepts related to tooth preparation.
Answer
Buccal wall: 90° to cavosurface margin; Lingual wall: 90° to tangent.
The buccal proximal wall is oriented at 90 degrees to the cavosurface margin of the tooth structure, while the lingual wall is oriented at 90 degrees to the tangent of the tooth structure.
Answer for screen readers
The buccal proximal wall is oriented at 90 degrees to the cavosurface margin of the tooth structure, while the lingual wall is oriented at 90 degrees to the tangent of the tooth structure.
More Information
In dental preparations, preserving the natural contours and structure orientation is crucial to ensure proper restoration and alignment with adjacent teeth.
Sources
- The web page with info on - Virtechs2006 - ccnmtl.columbia.edu
- Class II Amalgam Preparation - My Dental Key - mydentalkey.com
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