In the conventional Class I composite preparation, retention is achieved by which of the following features?
1. Occlusal convergence
2. Occlusal bevel
3. Bonding
4. Retention grooves
In the conventional Class I composite preparation, retention is achieved by which of the following features?
1. Occlusal convergence
2. Occlusal bevel
3. Bonding
4. Retention grooves
💡 Explanation
In the conventional Class I composite preparation, retention is achieved by which of the following features?
1. Occlusal convergence
2. Occlusal bevel
3. Bonding
4. Retention grooves
✓ Correct Answer: B. 1 and 3
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