Pits & fissures are described as fossa & grooves that failed to fuse during development.

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Study for the Cariology and Prevention 2 Test. Enhance your knowledge with multiple-choice questions, each question includes hints and explanatory content. Prepare to ace your exam!

Multiple Choice

Pits & fissures are described as fossa & grooves that failed to fuse during development.

Explanation:
Pits and fissures form where developmental grooves fail to fuse during tooth formation. As the enamel organ shapes the crown, adjacent grooves should coalesce to create smooth, continuous surfaces. When fusion is incomplete, narrow channels (fissures) remain, and at the ends of these grooves a pit can occur. This means pits and fissures are essentially fossa and grooves that did not fuse, which explains their characteristic narrow, deep anatomy and why they’re common sites for plaque accumulation and caries.

Pits and fissures form where developmental grooves fail to fuse during tooth formation. As the enamel organ shapes the crown, adjacent grooves should coalesce to create smooth, continuous surfaces. When fusion is incomplete, narrow channels (fissures) remain, and at the ends of these grooves a pit can occur. This means pits and fissures are essentially fossa and grooves that did not fuse, which explains their characteristic narrow, deep anatomy and why they’re common sites for plaque accumulation and caries.

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