HOSA - Dental Science (copy)

Mouth Mirror

indirect vision within the mouth/to retract lips, cheeks, and tongue

Explorers

to examine teeth for decay

1.Orban

2.Pigtail

3.Shepherds Hook

Cotton Forceps

to grasp or transfer items

Instrument Handles

small round 1/4, standard hollow 5/16, lightweight 3/8, satin steel

Basic Tray Setup

Mouth Mirror

Pigtail Explorer

Cotton Forceps

Parts of an Instrument

Handle

Shank

Working End

Enamel Hatchet

to clean and smooth walls in cavity prep; to remove enamel not supported by dentin

push motion

Enamel Hoe

to clean and smooth floor and walls in cavity prep

pulling motion

Straight Chisel

to plane and cleave enamel in cavity prep.

push motion

Wedelstaedt Chisel

to plane and cleave enamel in cavity prep/curved blade

push motion

Binangle Chisel

to plane and cleave enamel in cavity prep/2 angles in shank

push motion

Angle Former

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

Spoon Excavators

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

Short Needle

to administer an anesthetic by injection on maxillary arch

Long needle

to administer anesthetic by block injection to mandibular arch

Anesthetic Cartridge

to hold liquid anesthetic for local anesthetic injection

Anesthetic Cartridge/Blister Packs

to hold liquid anesthetic: varied

Recapping Device

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

Long Needle

Short Needle

Anesthetic Cartridge

Needle Stick Protector

Topical Anesthetic

High-Volume Evacuator Tip

to evacuate large vol. of fluid and debris

Low-Volume Saliva Ejector Tip

to evacuate smaller vol. of fluid

Dryfield Illuminator

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

High-Speed Handpiece

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

Flat-end brush

Tapered-end brush

Prophy cup

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

Air Polisher

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

Dental Unit

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

Bur

to be used in high/low speed handpiece

Characteristics: head

neck

shank

Bur Shanks

to insert shank part of bur into handpiece

Round Bur

to remove caries from tooth structure; to open tooth for endodontic treatment; to place retention in cavity prep; to use for many procedures

Pear-Shaped Bur

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

Finishing Bur

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

Josiah Flagg

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".

Pierre Fauchard

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

Periodontics

The specialty concerned with the pathology and morphology of the dental pulp and surrounding tissues

Endodontics

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

Facial expression

Ethical Behavior

The ability to distinguish right from wrong

The sticky mass that grows on teeth and contains bacteria

Plaque

What motion should you use while flossing between two teeth?

Sawing

What type of fluoride comes in gels, rinses, and foams.

Topical Fluroide

Interdental aids

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

Vitamin D

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?

1992

Found in the thyroid gland and regulates metabolism of the body

Iodine

The study of the structure of the body

Anatomy

System responsible for the processing of the food we take in to sustain life

Digestive System

System that relays messages from the brain to the body systems and back again

Nervous System

Divides the body into left and right halves

Sagittal Plane

Skeleton that consists of the bones of the cranium, face, spinal column, ribs, and sternum.

Axial Skeleton

A term that relates to bone

Osseous

What make up gastric juices?

Pepsin & Hydrochloric Acid

Another name for the windpipe

Trachea

A term referring to the back of the body or area of the body

Posterior

When assisting with dental procedures, the dental assistant uses his/her lower back and neck, putting stress and strain on the __________ system.

Muscular

Excess bone formations that form on the lingual of the mandible

Torus Mandibularis

What bone does the mandible articulate with?

Temporal Bone

Provides nourishment and lubrication in the TMJ

Synovial fluid

Another name for the articular disc in the TMJ

Meniscus

Muscle that forms the floor of the mouth

Myohyoid

Branches of the maxillary nerve include:

Infraorbital, pterygopalatine, and zygomatic nerves

When the cells begin to outline the future shape of the developing tooth

Morphodifferentiation

Cementum-forming cells

Cementoblasts

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

Nasmyth's membrane

Peritubular Dentin

Creates the wall of the dentinal tubule