Which tooth has the longest root?

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Study for the City and Guilds Dental Nursing Block 2 Test. Use flashcards and multiple choice questions, each with hints and explanations, to prepare effectively. Get ready for your exam!

Multiple Choice

Which tooth has the longest root?

Explanation:
The key idea is that root length varies by tooth type, and the canine has the longest single root. Canines are built for strong leverage during tearing, so their root is long and slender, extending deep into the jaw to provide stable anchorage and resist tipping under biting forces. Although molars may have multiple roots, those roots are not as long as the canine’s single long root. Incisors and premolars typically have shorter roots on average. So, the tooth with the longest root is the canine.

The key idea is that root length varies by tooth type, and the canine has the longest single root. Canines are built for strong leverage during tearing, so their root is long and slender, extending deep into the jaw to provide stable anchorage and resist tipping under biting forces. Although molars may have multiple roots, those roots are not as long as the canine’s single long root. Incisors and premolars typically have shorter roots on average. So, the tooth with the longest root is the canine.

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