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iRubric: Operative III Esthetic Onlay Preparation rubric

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Operative III Esthetic Onlay Preparation Operative II 2020 - Class II Amalgam Didactic Preparation Rubric Code: RX32B6B By Operative Ready to use Public Rubric Subject: Health Type: Assessment Grade Levels: Graduate

Esthetic Onlay Preparation Please self-evaluate
	Ideal 100 pts	Acceptable 81 pts	Modification Necessary 62 pts	Unacceptable 0 pts
External Form
Outline Form (size & Shape of Prep)	Ideal Includes M, C, & D pits & B or L Grooves - Minor irregularities - Slightly over extended	Acceptable - Multiple irregularities - Slightly under extended	Modification Necessary Outline extended without support	Unacceptable Cusp(s) weakened
Isthmus	Ideal 2.0 - 3.0mm	Acceptable *********************	Modification Necessary > 3.0 but ≤ 4.0mm	Unacceptable < 2.0mm or > 4.0mm
Interproximal Clearance	Ideal 0.5 - 1.0mm	Acceptable *********************	Modification Necessary One or more walls > 1.0 but ≤ 1.5mm	Unacceptable One or more walls > 1.5mm or < 0.5mm
Adjacent Tooth Structure	Ideal No damage to adjacent tooth or tooth structure beyond CSM	Acceptable Minor scratches	Modification Necessary Significant scratches requiring finishing	Unacceptable Nicked tooth or a defect requiring restoration of damaged tooth
Cavosurface Margin	Ideal - Very smooth, uniform and free of irregularities - Very well defined CSM	Acceptable Isolated minor irregularities B L M D G	Modification Necessary Multiple or significant irregularities B L M D G	Unacceptable -Bevel or acute angle at CSM - Poorly defined CSM - Grossly Rough B L M D G
Enamel Support	Ideal - All CSMs are prepared at a 90° angle - No grossly unsupported enamel (acute enamel angles) - No acute proximal box angles (weak ceramic)	Acceptable Minor irregularities B L M D G	Modification Necessary Multiple irregularities B L M D G	Unacceptable -Unsupported tooth structure - Grossly overly convergent walls creating unsup. CSM B L M D G
Internal Form
Pulpal	Ideal 1.5 - 2.0mm	Acceptable > 2.0 - ≤3.0mm	Modification Necessary >1.0 - <1.5mm	Unacceptable > 3.0mm < 1.0mm
Axial Depth	Ideal 1.2 - 1.5mm	Acceptable > 1.5 but < 2.0mm	Modification Necessary *********************	Unacceptable < 1.2mm > 2.0mm
Cusp Reduction	Ideal 2.0 - 3.0mm	Acceptable > 3.0 but < 4.0mm	Modification Necessary >4.0mm	Unacceptable < 2.0mm
Buccal & Lingual Wall	Ideal - divergent toward occlusal - Flat/smooth wall	Acceptable - Overly divergent (> 15 but < 45 degrees) - Isolated irregularity B L	Modification Necessary - Parallel - Multiple / large irregularities B L	Unacceptable - Grossly divergent (>45deg.) - Convergent - No path of insertion - Convex wall/not flat B L
Mesial &/or Distal Wall	Ideal -divergent toward occlusal - Flat/smooth wall	Acceptable - Overly divergent (> 15 but < 45 degrees) - Isolated irregularity M D	Modification Necessary -Parallel - Multiple/large irregularities M D	Unacceptable - Grossly divergent (>45deg.) - Convergent - No path of insertion - Convex wall/not flat M D
Pulpal Wall	Ideal Smooth	Acceptable Minor irregularities	Modification Necessary Multiple irregularities	Unacceptable Sharp irregularities
Gingival Wall(s)	Ideal Flat and smooth	Acceptable Minor irregularities	Modification Necessary Multiple irregularities	Unacceptable Grossly irregular
Axial Wall(s)	Ideal convergent toward occlusal	Acceptable Parallel	Modification Necessary *********************	Unacceptable - Divergent toward occlusal (undercut) - No path of insertion
Reverse Curve	Ideal Smooth transition	Acceptable Minor irregularities	Modification Necessary Multiple irregularities	Unacceptable Sharp Transition No Transition
Line Angles	Ideal Line angles very well defined and rounded No wall irregularities	Acceptable Minor irregularities	Modification Necessary Multiple irregularities & / or Ill-defined areas B L M D G	Unacceptable Very Sharp Significant irregularities B L M D G

Keywords:

Operative

Subjects:

Health

Types:

Assessment

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