HOSA Dental Terminology Practice test

The placement and fitting of a dental prosthesis prior to final cementation is known as an?

Seating

A notable pointed or rounded elevation on the biting surface of the crown is the?

Cusp

What is the tooth's hard inner layer?

dentin

The developmental cracks or imperfections extending into the dentin are?

lamellae

Carbon steel instruments are best sterilized by?

dry heat

What is the instrument used to keep a rubber dam away from a patient's face and give it form is the?

Frame

A centric occlusion is one in which?

There is a maximum planned contact between occlusal surfaces

Candidiasis is a fungus infection commonly referred to as?

Thrush

HIV/AIDS can be transmitted by?

Dirty needles

What is the mechanical device with a reservoir for a solution which cavitates or bubbles off debris used to clean objects before sterilization is an?

Ultrasonic cleaner

The total number of x-rays emitted from the focal spot of the tube head is expressed in?

mAs

What is the container that is labeled for items contaminated with body or life threatening contaminates is a ?

biohazard container

There are two main gypsum products used to form models: plaster and?

Stone

The most advanced type of periodontitis is?

Type IV

Residual effects of radiation that remain in the body are termed?

Cumulative effect

The dentist told your mother she had calcinosis. You explained this was?

Inadequate calcium intake

What is the maxillary first molar usually has what?

two roots

Debridement is the process of?

Removing existing potential irritants from the root canal

When the prefix infra- is used to describe a position, you know the location is?

Below

The classification of the material used to help nite some restorative agents to the tooth surfaces and underlying materials is the?

Bonding agent

The muscles of mastication are innervated by the?

trigeminal nerve

The term that describes abnormalities that extend beyond the teeth to manidible and maxillae is?

dysgnathia

Fusion of cementum and the alveolar bone with obliteration of the periodontal ligament is known as?

ankylosis

HIV/AIDS is a disease of the?

immune system

The ability of x-ray photons to penetrate human tissue depends on?

Density of the object penetrated

The surgical shaping and smoothing of the alveolar ridge after extracting teeth is called?

alveoplasty

The most effective method to kill microbes is?

autoclaving

The provision made in a cavity preparation to prevent displacement of the restoration is?

retention form

The moving of a tooth from one position in the oral cavity to another area in the same cavity is an?

Autogenous transplantation

A tanner is used to?

carve

The type of tumor or growth not considered life threatening is?

Benign growth

Intrinsic pigmentation in children's teeth is due to?

Medications or excessive fluoride

The most chronic dental disease affecting the american people is?

Dental caries

A disease or infection that occurs when the body resistance is lowered, such as fungal, bacterial, or viral infections is an?

Opportunistic disease

The instrument used to insert composite filling materials is the?

Plastic instrument

The portion of the bur that fits into the hand piece is the?

shank

Improper handling of equipment in the dental facility could lead to?

Cross infection

The bite registration is the?

Impression of the teeth when in occlusion

Keratosis of gingival cells is for?

Protection

The term that means adjacent or pertaining to the cheek is?

Buccal

The periodontal procedure of removing calculus with specialized instruments is?

Scaling

A diagnostic test that involves gently tapping the tooth to determine the extent of sensitivity is?

Percussion

The term that describes a sharply wedge-shaped depression in the cervical area of the facial surage of a tooth is?

Abrasion

The instrument that is used to apply pressure to chisels is the?

mallet

Another term for amalgamation is?

trituration

All of the following are muscles of mastication except?

Temporal

The union of two independently developing primary or secondary teeth is called?

fusion

A removable prosthesis that is seated on teeth that have been prepared with copings is an?

Overdenture

Hemisection refers to?

Cutting a tooth into two parts

The use of the lead apron protects the patient's?

gonadal tissue from ionizing radiation

The type of immunity that is obtained when a person is infected by and then recovers from a disease is?

Natural acquired immunity

The basic components of a surgical elevator are?

handle, shank, and tip

The procedure in which the messing root canal gun is used is an?

Retrofilling

An undercut in the walls of a cavity preparation to provide a mechanical hold for the restorative material is?

Retention form

The instrument used to place freshly mixed amalgam in the cavity preparation is an amalgam?

carrier

A device that is surgically inserted into or onto the jawbone to be used as an abutment for a crown or prosthesis is an?

Implant

A bulge or prominence of enamel found on the cervical third of the lingual surface of an anterior tooth is called?

A cingulum

Overgloves are used?

When performing secondary procedures

The smaller whip-like hairs that provide movement for some bacteria are?

Flagella

The type of periodontitis that does not respond to treatment or medication is classed as?

Refractory

The periodontal instrument that has sharp cutting edges and a rounded toe is the?

Curette

Used needles and broken glass are disposed of in a/an

special sharps container

The assignment of extended functions to qualified dental auxililaries is controlled by the?

State Dental Practice Act

After use, a topical fluoride tray is?

discarded

The instrument used to scale supraginigival calculus from the anterior teeth is the?

Sickle scaler

Marlene's son has been diagnosed with micrognathia by a dentist. This means the child has?

abnormally small manible(lower jaw)

A hand instrument for gross bone removal and the spiliting of the teeth are?

surgical chisel

The handpiece that is used to polish restorations is the?

slow speed handpiece

The term that refers to measurments of absorbed dosages of radiation is?

rad(Gy)

The instrument that carries irrigating solution to the root canal is the?

Luer-Lok syringe

An elongated valley in the surface of a tooth formed by the incline of adjacent cusps is the?

Sulcus

The agency at the federal level that assumes the major role in dental health programs is the?

United States Public Health Service

Osteoplasty is the?

Recontouring of bony defects

The long length surface of the tooth is the?

axial surface

The study of the descriptive anatomy of the teeth is known as?

Odontology

The instrument that may be used to hold materials in the mouth, tissues during surgery and needles during suturing is?

Forceps

The piece of equipment that must be autoclaved after treatment of each patient is the/

Curette

The legal term that implies the dentist may be held responsible for any actions performed by his/her staff is?

Respondeat superior

The incisive foramen is located behind the?

maxillary central incisors on the hard palate

A full mouth maxillary denture is an example of what type of prosthesis?

Complete prosthesis

The dental professional for fabrication and repair of prostheses is the?

Dental laboratory techinicain

The portion of the tooth described as the distance from the reference point to the tip of the root is the?

Working length

The area in the oral cavity where the greatest concentration of hepatitis B virus is found is the?

Gingival sulcus

The part of the partial denture that lies over the ridge is called the?

saddle

The procedure of sealing the edges of the dental dam material to the tooth surface to prevent moisture from escaping into the work area is known as?

inverting

The type of biopsy in which the entire lesion of affected tissue with some additional underlying normal tissue is removed is?

Excisional biopsy

The treatment that consists of flaking, scaling, or scraping off any hard deposits accumulated extrinisic stains is called?

Prophylaxis

A medicinal liquid, gel, or ointment applied to the mucous membranes prior to an injection of local anesthesia is?

topical anestheia

The instrument for removing bands from teeth is the?

Band remover pliers

All of the following requirments for dental assisting certification except?

Recommendation for certification by licensed dentist

The cells that form the dentin of the tooth are called what?

odontoblasts

An instrument that holds a tissue away from the operating field is called an?

retractor