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Hosa Dental science, HOSA Review: Dental Science
Terms in this set (234)
indirect vision within the mouth/to retract lips, cheeks, and tongue
to examine teeth for decay
to grasp or transfer items
small round 1/4, standard hollow 5/16, lightweight 3/8, satin steel
Basic Tray Setup
Parts of an Instrument
to clean and smooth walls in cavity prep; to remove enamel not supported by dentin
to clean and smooth floor and walls in cavity prep
to plane and cleave enamel in cavity prep.
to plane and cleave enamel in cavity prep/curved blade
to plane and cleave enamel in cavity prep/2 angles in shank
to make lines and points of angles clearer and to clean out tooth for cavity prep.
Gingival Margin Trimmer: Mesial and Distal
to bevel cervical walls of mesial and distal retention areas
to remove carious dentin
Spoon Excavators secondary functions
to remove temporary crowns/temporary cement/ permanent crown during try-in
Anesthetic Aspirating Syringe
to administer a local anesthetic
to administer an anesthetic by injection on maxillary arch
to administer anesthetic by block injection to mandibular arch
to hold liquid anesthetic for local anesthetic injection
Anesthetic Cartridge/Blister Packs
to hold liquid anesthetic: varied
to hold needle sheath for one-hand recapping
Computer-Controlled Local Anesthetic Delivery System
to improve ergonomics and precision of anesthetic delivery
Nitrous Oxide and Analgesic Tanks
to relax patients for dental procedures
Nitrous Oxide Nose Mask
to evacuate excess nitrous oxide
Nitrous Oxide and Oxygen Flowmeter
to monitor N2O and O2 that is given to patient
Local Anesthetic Syringe Tray Setup
Anesthetic Aspirating Syringe
Needle Stick Protector
High-Volume Evacuator Tip
to evacuate large vol. of fluid and debris
Low-Volume Saliva Ejector Tip
to evacuate smaller vol. of fluid
to retract tongue; to provide light; to gently hold open mouth; to serve as barrier for airway
Attached to high-vol. evacuation port
Low-Volume Mandibular Evacuator
to evacuate smaller vol. of fluid; to use on mandibular arch; to retract tongue during evacuation
High-Volume Surgical Evacuation Tip
to evacuate fluid from surgical site
Air/Water Syringe with Removable Tip
to rinse/dry specific teeth or entire mouth
Self Contained Water Unit and Waterline Treatment Tablets
to assist in the quality of water entering the dental unit that supplies water to the hand pieces
Dental Delivery System
to deliver dental care to patients
Dental Assistant Delivery System
to deliver dental care to patient as a chair side assistant
Characteristics: 1. Saliva ejector to low vol. tubing
2. Air/Water syringe and tip
3. High-vol. evacuator tip
4. Light curing device with protective shield
5. Bracket table
to use with bur to cut tooth with decay/dental anomalies
max. speed of 450,000 rotations per minute
Fiberoptic High-Speed Handpiece
to illuminate tooth during prep. for restoration
to use with bur to cut tooth with decay/dental
Slow-Speed Motor w/ straight Handpiece Attachment
to use with slow-speed attachments
to use with long-shank straight bur
Slow-Speed Motor w/Contra-Angle Handpiece Attachment
to use with burs for oral procedures; to remove decay/polish amalgam/refine cavity prep./adjust restorations
Prophy Slow-Speed Handpiece/Motor with Disposable Prophy Angle Attachment
to polish teeth with attachment
Disposable Prophy Angle Attachment for Slow-Speed Handpiece Motor
to polish teeth for prophy/prophylaxis cup
Prophy Angle Slow-Speed Handpiece
Electric Handpiece Unit and Handpiece Attachment
to use with bur for oral prep; to use with endodontic nickel-titanium rotary instrument; to use with bur for trimming of crowns; to use with bur for adjusting restorations
Surgical Electrical Handpiece Unit and Handpiece Attachment
to use with depth drills for implants; to use with sterile water for cooling drilling system
Air Abrasion Unit and Handpiece Attachment
to use for class I or class VI cavity prep; to use for prep of occlusal surface for sealants
to polish teeth directing a high-pressure jet
Handpiece Maintenance System
to flush internal coolant lines for handpiece; to remove debris within handpiece; to lubricate handpiece
Laser Handpiece Unit and Laser Handpiece Attachment
to cut, vaporize, or cauterize soft tissue
to provide a delivery system for handpieces; to provide delivery system for air/water syringe; to provide intraoral camera; to provide a device for moving dental chair
to be used in high/low speed handpiece
to insert shank part of bur into handpiece
to remove caries from tooth structure; to open tooth for endodontic treatment; to place retention in cavity prep; to use for many procedures
to open tooth for restoration, to remove caries
Characteristics: frequently used in prep of composite restorations
Inverted Cone Bur
to remove caries, to establish retention in tooth for cavity prep
Straight Fissure Bur-Plain Cut
to cut cavity prep; to form inner walls of cavity prep; to place retention grooves in walls of cavity prep
Characteristics: has parallel sides
Tapered Fissure Bur-Plain Cut
to cut cavity prep; to form angles in walls of cavity prep; to place retention grooves in walls of cavity
Characteristics: has tapered sides
Straight Fissure Bur-Crosscut
to cut cavity prep; to form walls of cavity prep; to place retention grooves in walls of cavity prep
Characteristics: has parallel sides with horizontal cutting edges
Tapered Fissure Bur-Crosscut
to cut cavity prep; to form angles in walls of cavity prep; to place retention grooves in wall of cavity prep
to finish composite restoration; to finish restoration by restoring anatomy in tooth; to equilibrate or adjust occlusion
Diamond Bur-Flat-End Taper
to reduce a tooth for crown prep when a square shoulder is needed
Characteristics: range of grits
Diamond Bur-Flat-End Cylinder
to reduce a tooth for crown prep when parallel walls and flat floors are needed
The individual responsible for inventing the dental chairs
The individual responsible for discovering x-rays
Wilhelm Conrad Roentgen
This individual perfected several dental treatments still used today, and developed step-by-step procedures for dental treatments. Referred to as "the founder of dentistry".
Who was the first woman to graduate from dental school?
Lucy Beeman Hobbs (Ohio College of Dental Surgery in 1866)
The specialty concerned with diagnosing and treating the diseases of the supporting and surrounding tissues of the tooth
The specialty concerned with the pathology and morphology of the dental pulp and surrounding tissues
What are the three channels of communication?
1.) Auditory (hearing or listening)
2.) Visual (observing, seeing)
3.) Kinesthetic (caring touch)
One of the most observed and critical components of nonverbal communication
The ability to distinguish right from wrong
The sticky mass that grows on teeth and contains bacteria
What motion should you use while flossing between two teeth?
What type of fluoride comes in gels, rinses, and foams.
Help in cleaning between the teeth and stimulating the gingival tissue (Ex: interproximal brush, wooden dental stimulator, floss threader)
What should oral hygiene goals be based upon?
The patient's age, the patient's knowledge of oral hygiene, and the patient's skill level in approving oral hygiene.
Vitamin that is produced in the body when the body is exposed to the sun
What vitamins are excreted by the body daily?
B complex & Vitamin C
In what year did the USDA first develop guide to a balanced diet?
Found in the thyroid gland and regulates metabolism of the body
The study of the structure of the body
System responsible for the processing of the food we take in to sustain life
System that relays messages from the brain to the body systems and back again
Divides the body into left and right halves
Skeleton that consists of the bones of the cranium, face, spinal column, ribs, and sternum.
A term that relates to bone
What make up gastric juices?
Pepsin & Hydrochloric Acid
Another name for the windpipe
A term referring to the back of the body or area of the body
When assisting with dental procedures, the dental assistant uses his/her lower back and neck, putting stress and strain on the __________ system.
Excess bone formations that form on the lingual of the mandible
What bone does the mandible articulate with?
Provides nourishment and lubrication in the TMJ
Another name for the articular disc in the TMJ
Muscle that forms the floor of the mouth
Branches of the maxillary nerve include:
Infraorbital, pterygopalatine, and zygomatic nerves
When the cells begin to outline the future shape of the developing tooth
What happens when a primary tooth is loosened?
The roots evanesce or dissolve
The thin covering over enamel on newly erupted primary teeth, which may stain very easily
Creates the wall of the dentinal tubule
Formed before the completion of the apical foramen and forms the bulk of the tooth
The area where two cortical plates come together between two teeth
In multirooted teeth, the area of bone between the roots
Secure the tooth into the socket by a number of organized fiber groups
What happens during week 7 of fetal development?
The palate and tongue form
How many teeth are there in each arch in the deciduous dentition?
The tooth surface that is on the tongue side
The union of two triangular ridges that produces one ridge across the occlusal surface
An elevation of enamel that descends from the cusp into the middle area of the occlusal surface
Often called the "cornerstone of the mouth"
What is the smallest permanent tooth in the dentition?
What does the "contact" of the tooth refer to?
Where the proximal side of two teeth come together and touch
Who is the "father of microbiology"?
Anton Van Leeuwenhoek
Proved bacteria is the cause of some tragic diseases
The group(s) of microorganisms that are of importance to dentistry is/are
Bacteria & Viruses
If bacteria is in hot or warm, dark, and moist areas what will happen?
They will divide every 20 minutes
Must have oxygen to live and grow
Similar name for protozoa
Candidiasis & Thrush
Thick, white, raised patches in the mouth
How long can the hepatitis B virus live on a dry surface?
Responsible for chickenpox
What causes the common cold and flu?
Herpes simplex virus 1
Affects the lips and mouth
After people have had a disease...
They develop natural acquired immunity to that disease
The route of transmission of a microorganism by a contaminated instrument
Group of fungal infections characterized as white patches of the fingernail
Rare microorganisms; deady (affect brain tissue)
A slow-growing virus that may be suppressed or dormant for a period of time
Exhibits signs of rapidly progressing dementia, memory loss, and speech impairment
What is the glove of choice for working chairside?
Irritating to the eyes and skin, corrosive to metals, and unstable and must be mixed daily
After instruments have been removed from the ultrasonic cleaner they should be _______ and __________.
Rinsed & Dried
Heated Ethylene Oxide Sterilization Method
Requires 120 degrees for 2 to 3 hours to sterilize
Failure of complete sterilization in an autoclave could result from...
Overloading the chamber, improper wrapping of instruments, and improper setting of time and temperature
A system that requires that PPE be worn to protect against contant with all bodily fluids
A cleaning device that uses a cavitation process to clean debris from the instruments.
Used to ensure bags are not overfilled and sterilizers are not overpacked
Rooms and equipment that are often overlooked for disinfecting include
Radiography room, radiography processing equipment, and the dental laboratory
MSDS is mandated by who?
National Fire Protection Association (NFPA)
Other potentially infectious material
The criteria for a sharps container include:
How long must an employer maintain employee records on exposures and other medical records?
The duration of employment plus 30 years
How should any broken glass be cleaned up?
Using a broom and dustpan
Before being sent offsite for cleaning, laundry must be placed in a ____________.
Assembled MSDSs should be...
Alphebetized, indexed, and available to all employees.
The color blue on a warning label indicates
What shape is the chemical warning label?
The patient must sign and date the ________.
Medical history form
Basic Vital Signs include:
An abnormally slow resting pulse
Instrument used to control the flow of blood in the artery; used to measure blood pressure
The charting symbol for caries
Outline filled in red
What is a side effect?
An unintended result that is caused by a drug
Drugs that must be placed under the tongue to dissolve
Deterioration of the liver
Drugs that depress brain activity
What may be given to treat oral thrush?
How can alcohol affect the body process?
Acting as a depressant
The first step you take if a patient becomes unconscious?
Telephone for emergency medical care
What is the universal distress signal for choking?
The person clutching his or her throat
The most common emergency that may occur in a dental office is?
Syncope and fainting
The treatment for a person having an allergy attack
The method of choice for delivering the asthma drug is?
To assist a person who is hyperventilating you...
Instruct the patient to breathe into a paper bag or into cupped hands
A drug used to treat epilepsy, causes overgrowth of gingival tissue
When the pancreas produces too little insulin, the resulting condition is _________.
Medications that lower blood sugar
Congestive Heart Failure
When the heart is unable to pump the fluids around the body as it should
A tubelike passage with an opening that allows fluid to drain
The properly seated assistant's feet should be...
Flat on the foot ring or base
What grasp is used with the evacuator tip when workin gon the anterior maxillary?
Examples of amalgam carvers:
Hollenback and discoid-cleoid
The bur used in the contra-angle handpiece
Examples of sandpaper discs:
(Abrasives) garnet, sand, emery, and cuttlefish
If an anesthetic is of short duration it should last for about __________ minutes.
Will constrict the blood vessels around the injection site and decrease bleeding at the site
For periodontal ligament injections, where is the solution placed?
How many times a year should the chairside personnel exposed to nitous oxide be checked?
Twice a year
The tissues/organs most sensitive to radiation include:
What would appear on a bitewing radiograph?
Alveolar crest, faulty restorations, and caries
A cone cutting result occurs when...
The beam missed part of the film
The ideal temperature of developing solution is ___ degrees.
Intervals of taking radiographs for routine dental exams are
6 months or 12 months
What drills are used in the low speed handpiece?
When is a bone file used?
To smooth the edges of the alveolar bone after the tooth has been extracted
The process of contouring the alveolar ridge
What are dental implants made of?
Contains redness, swelling, heat, and pain
The destruction of the mucous membrane that appears as an open sore on tissue
Small red or purple spots in the skin or mucosa tissue
Fusion with the alveolar bone and cementum
When the filiform papillae on the tongue are absent
What is an activator used to do?
Widen the maxillary arch
Based on the child's own experiences
The types of matrices used for restorative procedures include:
T-band, spot welded, and Toffliemire
The area at the bottom of the sulcus where the gingiva attaches to the tooth
Tooth mobility: a "3" idicates what?
Calibrations on the periodontal probe are measured in what?
Type of restoration that covers the area between the cusps in the middle of the tooth
The part of the bridge that replaces the missing tooth
When would you place a core buildup?
If a vital tooth has very little crown structure left
Over the counter product
What teeth is "walking bleach" done on?
The part of a partial denture that contacts a tooth to provide verticle and horizontal support
The connectors of a partial denture...
Join the parts of the partial denture into one unit
What is the connector for a maxillary partial?
When impression compound is heated and placed along the borders of the custom tray
The maxillary final impression must include...
Rounded process on bone; attachment site for muscles and tendons
Patients with an overdenture
Show less alveolar bone loss
A material placed in a thick layer between the tooth and the restoration that supports the restorative material from occlusal stresses
Cavity varnish is used under an amalgam restoration to prevent ________________.
How many coats are needed for varnishes?
The same as setting or curing
The winged clamp has...
Extra projections for better retraction
The jaws of the dental dam clamp fit around the __________________________.
Gingival one-third of the tooth
Holes in the dental dam are punched about _______mm apart.
Most often used on Class II restorations
Alginate in the sol state is _________.
Alginate in the gel state is _________.
Another name for polysulfide impression material is...
The ratio of water to powder for model plaster is _____ ml to ____g.
A reminder of any action that must be taken care of
The time between when an order is placed and the time it is received
Must be filled out when an employee is first employed (determines the number of allowances)
When the patient is covered under two carriers
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