slide 2 - 2 - access cavity preparation
TRANSCRIPT
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7/29/2019 Slide 2 - 2 - Access Cavity Preparation
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C Pa is ley
Leeds Dental InstituteFaculty of Medicine & Health
Clinical Skills A Endodontics
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7/29/2019 Slide 2 - 2 - Access Cavity Preparation
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Remove roof of pulp chamber In order to enable preparation of root
canals
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Carefully assess pre-operative radiograph
Appreciate size /
shape / location of pulpchamber
Look for potentialproblems: Pulp stones, Sclerosis,
Resorption, Fractured
Instruments, Curved Canals
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Will it enable isolation with rubber dam?
Is there any caries?
Consider replacement with a durable provisionalrestoration eg GIC, Amalgam
Assess condition of tooth /existing restorations:
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Entire roof of pulp
chamber removedStraight-line access
No damage to pulp floor
As conservative as
possible
Criteria for Access Cavity
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MD B P
P
B
D M
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MD B P
P
B
D M
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Pre-operativeradiograph
Knowledge of pulpalanatomy
Magnification
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1. Find the pulp chamber
2. Locate the canals
3. Ensure adequate access to canalorifices
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10/12C Pa is ley
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11/12C Pa is ley
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12/12C Pa is ley