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FMGE 2011 — Dental

Q: Bite mark is an example of:

Pattern abrasion. ***Pattern abrasion*** - A **bite mark** is a classic example of a pattern abrasion, as the teeth leave an imprint that reflects their specific arrangement and shape. - This type of abrasion occurs when a **distinct object** presses against and scrapes the skin, leaving a recognizable design. *Scratch abrasion* - A **scratch abrasion** is typically caused by a sharp object drawing across the skin, forming a linear defect. - Unlike a bite mark, it does not usually involve a broad surface area imprint reflecting the shape of the injuring object. *Graze abrasion* - A **graze abrasion** (or brush burn) results from tangential contact with a rough surface, causing superficial layers of the skin to be scraped away over a wider area. - This type of abrasion is more diffuse and lacks the specific, intricate pattern seen in a bite mark. *Pressure abrasion* - While pressure is involved in forming a bite mark, a **pressure abrasion** specifically refers to an injury caused by sustained pressure that crushes or impacts the skin, often leading to a contusion or localized tissue damage. - It typically does not involve the characteristic scraping or patterned imprint of teeth that defines a bite mark. [Practice more Dental PYQs on OnCourse]

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Bite mark is an example of:

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