HOSA DENTAL COMPREHENSIVE EXAM 2025/2026
QUESTIONS AND ANSWERS GRADED A+
✔✔Fluoridation - ✔✔-the process of adding fluoride to the water supply
✔✔Dentrifices - ✔✔-the toothpaste used with brushing and flossing for patient oral
hygiene self care
-all dentrifices have a mild abrasive to help remove stains, most contain fluoride, and
help reduce tooth decay
✔✔Embrasure - ✔✔-triangular space in between teeth
✔✔Lymphatic System - ✔✔-provides nutrients, drains body fluids, and absorbs fats
✔✔Chain of Infection - ✔✔1. infectious agent
2. reservoir of source
3. portal of exit
4. mode of transmission
5. portal of entry
6. susceptible host
✔✔Blood Types - ✔✔-AB is the universal RECIPIENT
-O is the universal DONOR
✔✔Integumentary System - ✔✔-provides the body protection
-includes skin, hair, and nails
✔✔Muscular System - ✔✔-muscles contract and relax to allow external body movement
and production of the body heat
-internal muscles work to move food along the digestive tract and keep the heart
beating
✔✔Nervous System - ✔✔-provides a communication system for the body
-response to both internal and external stimuli
✔✔Use of the Cotton Pliers - ✔✔-to place and remove items from the oral cavity such
as cotton rolls, pellets, wedges, and large debris
-to grasp and transfer materials to and from the oral cavity
-to retrieve items without contamination
✔✔Use of the Explorer - ✔✔-examination of the tooth structure
-examination of restorations
-removal of excess materials
, ✔✔Radiation - ✔✔-leakage radiation: from the machine
-primary radiation: the main radiation
-scatter radiation: from the main radiation
✔✔Uses of the Mouth Mirror - ✔✔-indirect vision
-reflection of light
-refraction
-transillumination
✔✔Black's Formula - ✔✔-formulated by GV Black to standardize the exact size and
angulation of an instrument
1. blade width
2. cutting edge angle
3. blade length
4. blade angle
✔✔Instrument Anatomy - ✔✔-handle
-shank
-working end
✔✔Operation Zones - ✔✔12-2= static
2-4= assistant
4-7= transfer
7-12= operator
✔✔Amalgamator - ✔✔-mixes amalgam and cement (respectively)
✔✔Fluoride - ✔✔-natural mineral nutrient that when its content is at "optimum level"
nine the teeth, there is a significant reduction in caries
✔✔Xerostomia - ✔✔-abnormal dryness due to excess radiation or chemotherapy
treatments
-cancer patients can experience this
✔✔Dental Curing Lights - ✔✔-used to set or cure things (brackets and glue)
>Halogen
>**LED**
>Radiometer
✔✔High Volume Evacuator - ✔✔(HVE)
-giant tube sucky thing
✔✔Modified Stillman - ✔✔-designated to do a good overall cleaning, remove plaque,
and stimulate and massage the gingiva
-DIFFERENCE: bristles are pointed apically (towards the root of the tooth)
QUESTIONS AND ANSWERS GRADED A+
✔✔Fluoridation - ✔✔-the process of adding fluoride to the water supply
✔✔Dentrifices - ✔✔-the toothpaste used with brushing and flossing for patient oral
hygiene self care
-all dentrifices have a mild abrasive to help remove stains, most contain fluoride, and
help reduce tooth decay
✔✔Embrasure - ✔✔-triangular space in between teeth
✔✔Lymphatic System - ✔✔-provides nutrients, drains body fluids, and absorbs fats
✔✔Chain of Infection - ✔✔1. infectious agent
2. reservoir of source
3. portal of exit
4. mode of transmission
5. portal of entry
6. susceptible host
✔✔Blood Types - ✔✔-AB is the universal RECIPIENT
-O is the universal DONOR
✔✔Integumentary System - ✔✔-provides the body protection
-includes skin, hair, and nails
✔✔Muscular System - ✔✔-muscles contract and relax to allow external body movement
and production of the body heat
-internal muscles work to move food along the digestive tract and keep the heart
beating
✔✔Nervous System - ✔✔-provides a communication system for the body
-response to both internal and external stimuli
✔✔Use of the Cotton Pliers - ✔✔-to place and remove items from the oral cavity such
as cotton rolls, pellets, wedges, and large debris
-to grasp and transfer materials to and from the oral cavity
-to retrieve items without contamination
✔✔Use of the Explorer - ✔✔-examination of the tooth structure
-examination of restorations
-removal of excess materials
, ✔✔Radiation - ✔✔-leakage radiation: from the machine
-primary radiation: the main radiation
-scatter radiation: from the main radiation
✔✔Uses of the Mouth Mirror - ✔✔-indirect vision
-reflection of light
-refraction
-transillumination
✔✔Black's Formula - ✔✔-formulated by GV Black to standardize the exact size and
angulation of an instrument
1. blade width
2. cutting edge angle
3. blade length
4. blade angle
✔✔Instrument Anatomy - ✔✔-handle
-shank
-working end
✔✔Operation Zones - ✔✔12-2= static
2-4= assistant
4-7= transfer
7-12= operator
✔✔Amalgamator - ✔✔-mixes amalgam and cement (respectively)
✔✔Fluoride - ✔✔-natural mineral nutrient that when its content is at "optimum level"
nine the teeth, there is a significant reduction in caries
✔✔Xerostomia - ✔✔-abnormal dryness due to excess radiation or chemotherapy
treatments
-cancer patients can experience this
✔✔Dental Curing Lights - ✔✔-used to set or cure things (brackets and glue)
>Halogen
>**LED**
>Radiometer
✔✔High Volume Evacuator - ✔✔(HVE)
-giant tube sucky thing
✔✔Modified Stillman - ✔✔-designated to do a good overall cleaning, remove plaque,
and stimulate and massage the gingiva
-DIFFERENCE: bristles are pointed apically (towards the root of the tooth)
