1. The answer is B. The dental pulp has a rich supply of free nerve endings.
2. The answer is C. Dentine has A(3 and AS fibers while dentine has AS and C fibers.
3. The Answer is C. She is most likely suffering from acute pulpitis and the pain is likely to worsen in supine position.
4. The answer is D. Topical anesthetic might not be effective in presence of an abscess, and NSAIDs can provide temporary relief. Nerve block in presence of infection is probably not ideal. Definitive treatment is drainage of abscess under appropriate antibiotic coverage.
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