Classifications Systems
Ethics & Law
Work Place Safety
Tooth Numbers & Structures
Delivering Dental Care
100

This system classifies dental caries and cavity preparations based on the location of the affected tooth surfaces, using Classes I through VI.

Black's Classifications

100

When a patient receives information about treatment options and makes their own informed decision, this ethical principle is being respected.

Autonomy 

100

This red container is leak proof, promotes safe disposal and prevents needlestick injury

Sharps container

100

Deep caries approaches the pulp of a permanent molar. The dentist explains that the pulp contains nerves and blood vessels, while the surrounding dentin provides protection. Which internal structure contains the nerves and blood vessels?

Pulp

100

This absorbent material is placed near the parotid gland duct to help block saliva flow.

Dry angle

200

A dental assistant is unsure how to properly clean a bone chisel and dental burs. Using Spauldings Classifications, how is this instrument classified?

Critical

200

This ethical principle means that dental professionals must avoid causing harm to patients.

Nonmaleficence

200

This agency enforces proper amalgam disposal.

Environmental Protection Agency (EPA)

200

During an examination, you identify a permanent molar with five cusps and two roots. Based on these features, which tooth is the most likely identification?

Mandibular First Molar


200

When positioning the HVE, the beveled tip should be placed slightly posterior to the tooth and closest to whom?

Dental Assistant

300

Under the Spaulding classification system, dental instruments that penetrate soft tissue or bone, contact mucous membranes, or touch intact skin fall into these three categories based on their infection risk.

Critical, Semicritical, Noncritical

300

A dental assistant suspects a child is experiencing abuse after observing concerning injuries or disclosures during an appointment. Under the law, the dental assistant is considered this.

Mandated reporter
300

In the sterilization area, instruments must move in this direction, from contaminated to clean and sterilized, to prevent cross-contamination.

Unidirectional Workflow

300

In the Universal Numbering System, this permanent tooth is designated as tooth #29.

Mandibular Right Second Premolar

300

In this dental chair position, the chair is lowered and the patient is lying flat on their back.

Supine

400

A dentist is restoring a fractured maxillary central incisor, tooth #8, with composite resin. The fracture involves the incisal edge and extends onto the proximal surface. According to Black’s classification system, what class of restoration is this?

Class IV

400

Before providing treatment, dental professionals must obtain and review this essential patient information to identify medical conditions, medications, and potential risks that could affect safe care.

Medical History

400

When transferring a sharp instrument, the dental assistant must ensure the dentist grasps this part of the instrument to avoid injury.

Handle

400

Which tooth structure contains microscopic tubules that can transmit stimuli toward the pulp?

Dentin

400

Time from injection of anesthetic until effective numbness is achieved.


Induction


500

A wedge would help hold a matrix band and prevent overhangs in a posterior filling. Which classification filling is this?

Class II

500

When a patient experiences a medical emergency during treatment, dental professionals have a legal obligation to respond appropriately and provide care that meets this responsibility.

Duty of Care

500

Name three bacterial diseases that concern dental health care workers.

Tetanus, Syphillis, Tuberculosis 

500

A patient experiences slight tooth movement under biting pressure. Which connective tissue between the root cementum and alveolar bone helps absorb forces and provides sensory feedback?

Periodontal Ligament


500

During cavity preparation, the dentist uses this hand instrument to remove softened, decayed dentin from a tooth. It should be transferred with the working end oriented for immediate use.

Spoon excavator 

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