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COMPLETE STUDY GUIDE: HOSA Dental Terminology (ALL YOU NEED TO KNOW) *Q&A* (100% Correct) 2025/2026 |VERIFIED| £7.69
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COMPLETE STUDY GUIDE: HOSA Dental Terminology (ALL YOU NEED TO KNOW) *Q&A* (100% Correct) 2025/2026 |VERIFIED|

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COMPLETE STUDY GUIDE: HOSA Dental Terminology (ALL YOU NEED TO KNOW) *Q&A* (100% Correct) 2025/2026 |VERIFIED| **What is a core buildup in restorative dentistry?** Core buildup involves using synthetic materials to enlarge a tooth's core, providing better support for a crown. **What...

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  • December 12, 2024
  • 103
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • complete study guide hosa dental terminology al

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COMPLETE STUDY GUIDE: HOSA Dental
Terminology (ALL YOU NEED TO KNOW)
*Q&A* (100% Correct) 2025/2026
|VERIFIED|
**What is a core buildup in restorative dentistry?**

Core buildup involves using synthetic materials to enlarge a tooth's core, providing better support
for a crown.



**What is the cortical plate in bone anatomy?**

The cortical plate is the outer layer of bone, particularly in the alveolar bone that supports the
teeth.



**What is crepitus in joint health?**

Crepitus refers to the grinding or grating sound caused by the abrasion of joint surfaces, often
indicating joint issues.



**What is a cuspid in dental anatomy?**

A cuspid, also known as a canine or eye tooth, is the third tooth posterior to the midline.



**What is a cuticle in relation to tooth anatomy?**

The cuticle refers to the tissue layer covering the tooth's surface, especially during tooth
development.



**What is Nasmyth's membrane?**

Nasmyth's membrane is a tissue layer that covers the surface of a tooth, particularly during
eruption.



**What is a denticle in dental terms?**


1

, A denticle is a small, tooth-like growth found in the pulp of a tooth, also known as a pulp stone.



**What is an embrasure in dental anatomy?**

An embrasure is the V-shaped gap between two teeth, extending from the contact area to the
gingival crest.



**What is a fontanel in infants?**

A fontanel is a soft spot on an infant's skull, where the bones have not yet fully fused, often
referred to as a "little fountain."



**What does genioplasty involve in cosmetic surgery?**

Genioplasty is a plastic surgical procedure to modify the chin or cheek area, often for aesthetic
purposes.



**What is gnarled enamel?**

Gnarled enamel refers to the twisting and curving of enamel rods within the enamel tissue.



**What is gomphosis in dental anatomy?**

Gomphosis is the type of joint that holds a tooth securely in its socket in the jawbone.



**What is a Hawley appliance in orthodontics?**

A Hawley appliance is an orthodontic device used to maintain space after correcting alignment
issues.



**What does heterodont refer to in dental anatomy?**

Heterodont refers to teeth that vary in shape, such as incisors, canines, and molars.



**What is the hyoid bone?**

The hyoid is a small bone located in the neck area, also referred to as the "Adam's apple."



2

,**What is incipient caries?**

Incipient caries refers to the very early stage of tooth decay, typically starting on the tooth
surface.



**What is an incisor?**

An incisor is a cutting tooth located at the front of the mouth, designed for biting.



**What is a lacuna in cementum?**

A lacuna is a small open space found within the cementum layer of a tooth.



**What are lamellae in tooth enamel?**

Lamellae are developmental imperfections in the enamel, extending towards the dentin of the
tooth.



**What is a Maryland bridge in restorative dentistry?**

A Maryland bridge is a type of dental bridge that is cemented to adjacent teeth, typically for
replacing missing front teeth.



**What is the masseter muscle responsible for?**

The masseter is a muscle of mastication that plays a major role in closing the mouth during
chewing.



**What is the role of the mentalis muscle?**

The mentalis muscle is located in the chin and is responsible for raising the lower lip and moving
chin tissue.



**Where is the parotid gland located?**

The parotid gland is the largest salivary gland, located near the ear.



**What is a pontic in dental prosthetics?**

3

, A pontic is an artificial tooth that forms part of a dental bridge, replacing a missing tooth.



**What is prophy in dental hygiene?**

Prophy, short for prophylaxis, refers to a professional cleaning of teeth to remove plaque and
tartar buildup.



**What is the maximum permissible dose (MPD) of radiation exposure?**

It is the highest rate of radiation exposure that is considered safe.



**What is the basic unit used to measure radiation exposure?**

The roentgen (R) is the basic unit of radiation exposure, measured in coulombs per kilogram
(C/kg).



**What unit measures the absorbed radiation in tissue?**

The rad (radiation absorbed dose) is the unit for measuring absorbed radiation, expressed in grays
(Gy).



**What does the rem (roentgen equivalent measure) represent?**

The rem is a unit that measures the amount of radiation needed to produce the same biological
effect as one roentgen, typically measured in sieverts (Sv).



**What is the erythema dose in radiation exposure?**

It is the amount of radiation that causes redness or irritation of the skin, commonly known as
sunburn.



**What is the purpose of a dosimeter in radiation safety?**

A dosimeter is a device used to measure the level of stray or secondary radiation exposure.



**How do lead barriers and shields help in radiation safety?**




4

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