The statement 'Rodent incisors are closed rooted and cannot grow continuously' is true or false?

The statement 'Rodent incisors are closed rooted and cannot grow continuously' is true or false?

• A. True
• B. False
• C. Not sure
• D. Sometimes

Answer: (B)

Rodent incisors are open-rooted and grow continuously. The root apex remains open throughout life, which allows ongoing formation of tooth tissue and continual eruption to compensate for substantial wear from gnawing. This perpetual growth is a distinctive feature of rodent incisors and helps keep them functional despite constant use. In contrast, many other teeth, like the molars, are closed-rooted and do not grow endlessly. The enamel in rodent incisors is typically on the front (labial) surface, contributing to a self-sharpening edge as the tooth wears against material it gnaws.

Rodent incisors are open-rooted and grow continuously. The root apex remains open throughout life, which allows ongoing formation of tooth tissue and continual eruption to compensate for substantial wear from gnawing. This perpetual growth is a distinctive feature of rodent incisors and helps keep them functional despite constant use. In contrast, many other teeth, like the molars, are closed-rooted and do not grow endlessly. The enamel in rodent incisors is typically on the front (labial) surface, contributing to a self-sharpening edge as the tooth wears against material it gnaws.