Dental Radiology Chapter 27 |||\\\ |||\\\ |||\\\ |||\\\
Landmarks. Exam with correct answers |||\\\ |||\\\ |||\\\ |||\\\
Corticol Bone: - correct answer✔✔Derived from Latin word "cortex" meaning "outer layer"
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"compact bone" |||\\\
Dense outer layer of bone.
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Resists passage of x-ray beam.|||\\\ |||\\\ |||\\\ |||\\\
Appears RO on dental images. |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
*inferior border of the mandible is corticol bone and appears RO.
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Cancellous Bone: - correct answer✔✔Latin for "arranged like lattice." |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
Soft spongy bone located between 2 layers of dense corticol bone.
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Composed of bony trebeculae that form a lattice like network of intercommunicating
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trebeculae. |||\\\
Trebeculae are pieces of bone that resist the passage of x-ray beamand appear RO.
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*Marrow spaces permit passage of x-ray beam which equals RL. SO, the larger the trebeculae,
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the more RL.
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, Prominence of Bone: - correct answer✔✔Process |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
Ridge
Spine
Tubercle
Tuberosity
Process: - correct answer✔✔Marked projection of bone.
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Ex: Coronoid process of the mandible.
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Ridge: - correct answer✔✔Linear prominence of bone.
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Ex: External Oblique Ridge of the Mandible.
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Spine: - correct answer✔✔Sharp, thornlike projection of bone.
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Ex: Anterior Nasal Spine of the Maxilla.
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Tubercle: - correct answer✔✔Small bump/nodule of bone.
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Ex: Mental tubercles of the Mandible.
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Landmarks. Exam with correct answers |||\\\ |||\\\ |||\\\ |||\\\
Corticol Bone: - correct answer✔✔Derived from Latin word "cortex" meaning "outer layer"
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
"compact bone" |||\\\
Dense outer layer of bone.
|||\\\ |||\\\ |||\\\ |||\\\
Resists passage of x-ray beam.|||\\\ |||\\\ |||\\\ |||\\\
Appears RO on dental images. |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
*inferior border of the mandible is corticol bone and appears RO.
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
Cancellous Bone: - correct answer✔✔Latin for "arranged like lattice." |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
Soft spongy bone located between 2 layers of dense corticol bone.
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
Composed of bony trebeculae that form a lattice like network of intercommunicating
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
trebeculae. |||\\\
Trebeculae are pieces of bone that resist the passage of x-ray beamand appear RO.
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
*Marrow spaces permit passage of x-ray beam which equals RL. SO, the larger the trebeculae,
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
the more RL.
|||\\\ |||\\\
, Prominence of Bone: - correct answer✔✔Process |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
Ridge
Spine
Tubercle
Tuberosity
Process: - correct answer✔✔Marked projection of bone.
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
Ex: Coronoid process of the mandible.
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\
Ridge: - correct answer✔✔Linear prominence of bone.
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
Ex: External Oblique Ridge of the Mandible.
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
Spine: - correct answer✔✔Sharp, thornlike projection of bone.
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
Ex: Anterior Nasal Spine of the Maxilla.
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
Tubercle: - correct answer✔✔Small bump/nodule of bone.
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
Ex: Mental tubercles of the Mandible.
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