The dental trauma term describing inward displacement of a tooth is called what?

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Multiple Choice

The dental trauma term describing inward displacement of a tooth is called what?

Explanation:
Intrusion is the term for inward displacement of a tooth into the alveolar bone. This happens when a vertical force drives the tooth apex (and crown) deeper into the socket, often reducing the visible portion of the tooth and risking pulpal or periodontal injury from the compression. Extrusion would be the opposite—outward movement from the socket. Luxation is a broader label for displacement within the socket in various directions, not specifically inward. Avulsion means the tooth is completely removed from the socket. Since the question specifies inward displacement, intrusion is the precise fit.

Intrusion is the term for inward displacement of a tooth into the alveolar bone. This happens when a vertical force drives the tooth apex (and crown) deeper into the socket, often reducing the visible portion of the tooth and risking pulpal or periodontal injury from the compression. Extrusion would be the opposite—outward movement from the socket. Luxation is a broader label for displacement within the socket in various directions, not specifically inward. Avulsion means the tooth is completely removed from the socket. Since the question specifies inward displacement, intrusion is the precise fit.

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