6/24/26, 6:29 PM DHY-1281 final exam guide / Questions & Answers | With 100% Correct Answers graded A+ (updated 2026) Guaranteed Success!! …
DHY-1281 final exam guide / Questions & Answers
| With 100% Correct Answers graded A+ (updated
2026) Guaranteed Success!!
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Terms in this set (84)
What factors contribute to dentinal Tooth wear from attrition, abrasion, and abfraction.
hypersensitivity?
What does the Hydrodynamic It explains that a stimulus causes fluid movement
Theory explain? within dentinal tubules, stimulating nerve endings
and resulting in pain.
What natural mechanisms promote Formation of secondary dentin, dietary changes,
desensitization over time? and natural occlusion of tubules by minerals.
What is the typical reaction to pain Pain is sharp, short, and transient, occurring in
from hypersensitivity? response to thermal, evaporative, tactile, or
chemical stimuli.
What are A-Delta fibers responsible They are responsible for sharp, short, and transient
for? pain of dentinal hypersensitivity.
What are the characteristics of A- They are myelinated fibers, allowing for rapid
Delta fibers? conduction of nerve impulses.
Where are A-Delta fibers located? At the pulp-dentin junction and extending into the
dentinal tubules.
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, 6/24/26, 6:29 PM DHY-1281 final exam guide / Questions & Answers | With 100% Correct Answers graded A+ (updated 2026) Guaranteed Success!! …
What stimuli do A-Delta fibers They respond to fluid movement within the tubules
respond to? caused by cold, air, or tactile stimuli.
What is the role of A-Beta fibers? They respond to electrical stimulation and similar
tactile pressures.
What are the characteristics of C- C-fibers are unmyelinated and associated with dull,
fibers? aching, and poorly localized pain.
Where are C-fibers located? They are found deeper within the pulp tissue.
What is the clinical significance of A- A-Delta fibers cause sharp sensitivity, while C-
Delta and C-fibers? fibers are involved in pulpitis pain.
How does dental biofilm affect It can increase tubule orifice size, increasing the
tubules? likelihood of sensitivity.
What factors contribute to gingival Aggressive toothbrushing, periodontal disease,
recession? orthodontic movement, and tight labial frenum
attachments.
Where is cervical tooth On the left buccal surface.
hypersensitivity most likely found in a
right-handed person?
What is a characteristic of teeth with Intact cementum is NOT a characteristic.
dentinal hypersensitivity?
What condition must exist for A smear layer must NOT cover the opening of the
dentinal hypersensitivity to occur? dentinal tubules.
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DHY-1281 final exam guide / Questions & Answers
| With 100% Correct Answers graded A+ (updated
2026) Guaranteed Success!!
Save Add to calendar
Terms in this set (84)
What factors contribute to dentinal Tooth wear from attrition, abrasion, and abfraction.
hypersensitivity?
What does the Hydrodynamic It explains that a stimulus causes fluid movement
Theory explain? within dentinal tubules, stimulating nerve endings
and resulting in pain.
What natural mechanisms promote Formation of secondary dentin, dietary changes,
desensitization over time? and natural occlusion of tubules by minerals.
What is the typical reaction to pain Pain is sharp, short, and transient, occurring in
from hypersensitivity? response to thermal, evaporative, tactile, or
chemical stimuli.
What are A-Delta fibers responsible They are responsible for sharp, short, and transient
for? pain of dentinal hypersensitivity.
What are the characteristics of A- They are myelinated fibers, allowing for rapid
Delta fibers? conduction of nerve impulses.
Where are A-Delta fibers located? At the pulp-dentin junction and extending into the
dentinal tubules.
https://quizlet.com/1191580990/dhy-1281-final-exam-guide-questions-answers-with-100-correct-answers-graded-a-updated-2026-guaranteed-success… 1/9
, 6/24/26, 6:29 PM DHY-1281 final exam guide / Questions & Answers | With 100% Correct Answers graded A+ (updated 2026) Guaranteed Success!! …
What stimuli do A-Delta fibers They respond to fluid movement within the tubules
respond to? caused by cold, air, or tactile stimuli.
What is the role of A-Beta fibers? They respond to electrical stimulation and similar
tactile pressures.
What are the characteristics of C- C-fibers are unmyelinated and associated with dull,
fibers? aching, and poorly localized pain.
Where are C-fibers located? They are found deeper within the pulp tissue.
What is the clinical significance of A- A-Delta fibers cause sharp sensitivity, while C-
Delta and C-fibers? fibers are involved in pulpitis pain.
How does dental biofilm affect It can increase tubule orifice size, increasing the
tubules? likelihood of sensitivity.
What factors contribute to gingival Aggressive toothbrushing, periodontal disease,
recession? orthodontic movement, and tight labial frenum
attachments.
Where is cervical tooth On the left buccal surface.
hypersensitivity most likely found in a
right-handed person?
What is a characteristic of teeth with Intact cementum is NOT a characteristic.
dentinal hypersensitivity?
What condition must exist for A smear layer must NOT cover the opening of the
dentinal hypersensitivity to occur? dentinal tubules.
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