Oral Surgery · single question

The same patient has a wound on the inner surface of the lip where the tissue was torn. This is best described as a:

  1. Laceration
  2. Abrasion
  3. Contusion
  4. Erosion
Show answer and explanation

Correct answer: A. Laceration

  • A. Correct. A laceration is a tear through the full thickness of the soft tissue, typical when the lip is crushed against the teeth.
  • B. An abrasion is a superficial scrape, not a through-and-through tear.
  • C. A contusion is bruising without a break in the surface.
  • D. Erosion is partial-thickness mucosal loss, not a traumatic tear.

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