2. Which of the following will happen if a smaller access cavity is opened than necessary? I. Result in tissue residuals in the areas where pulp horns are located. Lead to color changes in tooth. III. Prevent Access to certain canals. IV. Avoid finding adjunct canals. a. I and II b. I and IV c. I,III,IV d. II and IV e. I,II,III and IV

Question

2. Which of the following will happen if a smaller access cavity is opened than necessary? I. Result in tissue residuals in the areas where pulp horns are located. Lead to color changes in tooth. III. Prevent Access to certain canals. IV. Avoid finding adjunct canals. a. I and II b. I and IV c. I,III,IV d. II and IV e. I,II,III and IV

Answer 1

The correct answer is:c. I, III, IVExplanation:1. **Result in tissue residuals in the areas where pulp horns are located**: If the access cavity is smaller than necessary, it may not fully expose the pulp chamber and pulp horns, leading to tissue residuals in these areas.2. **Prevent Access to certain canals**: A smaller access cavity can prevent adequate access to all the root canals, making it difficult or impossible to clean and shape them properly.3. **Avoid finding adjunct canals**: A smaller access cavity might miss detecting adjunct canals, which are canals that branch off from the main canal and can be missed if the access is not large enough.The option about "Lead to color changes in tooth" (II) is not directly related to the size of the access cavity. While color changes can occur due to various factors, they are not a direct consequence of having a smaller access cavity.

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