9. Principle of Cavity Preparation and Nomenclature Flashcards
_ dentistry deals with the treatment and restoration of the individual tooth
Operative
The shape created when the dentist removes the caries and defective tooth structure and produces exact dimensions and specifications is known as _
cavity preparation
Conservative preparation protects the pulp, preserves the _ of the tooth, and reduces deterioration of the restoration
strength
_ radiographs are best for detecting interproximal decay
bitewing
_ is the edge of the surface margin and is usually cut at a 90 degree angle in amalgam prep
cavosurface margin
Dovetail is _ to marginal ridge and serves to lock the restorative material into place
parallel
_ is the area of prep between facial and lingual cusps
Isthmus
What is this Class of Carious Lesion? Pits and fissure caries Occlusal surface of posterior teeth Occlusal 2/3 of F/L surfaces of posterior teeth Lingual pit of Mx anterior teeth
Class 1
What is this Class of Carious Lesion?
Smooth Surface caries
Proximal surface of PT
Removed from occlusal surface
Class 2
What is this Class of Carious Lesion?
Smooth surface caries
Proximal surface of AT not involving incisal edge
Access from lingual and restored with composite
Class 3
What is this Class of Carious Lesion?
Smooth surface
Involves incisal edge of AT
Often results from trauma
Class 4
What is this Class of Carious Lesion? Smooth surface Lesion in the gingival 1/3 of any tooth Usually on facial Lesion spreads laterally
Class 5
What is this Class of Carious Lesion?
Occurs on incisal edge or cusp tips
Often developmental defect
Class 6
Convergent walls help to _ the restorative material and is _ at the base than the occlusal
retain
wider
_ is anything the operator does to enhance treatment and ease of access for operation
Convenience form
