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Fundamentals of Cavity Preparation: Biological Principles

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Fundamentals of Cavity Preparation: Biological Principles

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Questions and Answers

What is the primary concern of the biological principles in cavity preparation?

Prevention of caries recurrence

Protection of gingival and periodontal tissues

Dentin-Pulp protection (correct)

Avoiding unnecessary cutting of enamel

How deep should a routine cavity be beyond the D.E.J (Dentin-Enamel Junction) to avoid unnecessary cutting of enamel?

1-2 mm

0.5-1 mm (correct)

3-4 mm

2-3 mm

What is the recommended direction for cutting across the recessional lines of the pulp chamber to avoid traumatic irritation?

In a perpendicular direction

In a parallel direction (correct)

In a zigzag pattern

In a curved path

Which factor helps minimize heat generation during cavity preparation?

Using sharp, small, unclogged rotary tools Signup and view all the answers

What should be avoided to protect the pulp against thermal irritation?

Minimizing coolant use during cavity preparation Signup and view all the answers

What should be avoided to protect the pulp against mechanical or traumatic irritation during cavity preparation?

Minimizing heat generation by using sharp tools Signup and view all the answers

According to G.V. Black, which of the following is NOT a mechanical step of cavity preparation?

Protection of gingival tissues Signup and view all the answers

Which factor does NOT affect the outline form of the cavity according to G.V. Black?

Patient gender Signup and view all the answers

What is the main purpose of the resistance and retention forms in cavity preparation according to G.V. Black?

To minimize stress concentration areas Signup and view all the answers

According to G.V. Black, what should be included in the cavity outline?

All of the above Signup and view all the answers

What is the definition of outline form according to G.V. Black?

The external shape or form of boundaries of the completed cavity Signup and view all the answers

What should be done to prevent recurrent caries according to G.V. Black's principles?

Removal of all undermined enamel Signup and view all the answers

Which factor affects the extension of outline form in cavity preparation according to G.V. Black?

$0.5$ mm Signup and view all the answers

What is the main purpose of convenience form in cavity preparation according to G.V. Black?

To provide convenient access for restoration Signup and view all the answers

What is the main purpose of performing toilet of the cavity as per G.V. Black's mechanical steps?

To prevent recurrent caries Signup and view all the answers