Head, neck & oral landmarks
Infection Prevention in Dentistry
Tooth Anatomy
Tooth Surfaces
Regulatory and Advisory Agencies

Clinical Patient Care
Oral Health & Prevention of Dental Disease
The Dental Assisting Profession
100

This is the largest bone of the skull and forms the forehead

What is the frontal bone

100

The process that destroys or eliminates all forms of microbial life, including bacterial spores.

What is sterilization?

100

This is the hardest substance in the human body and covers the anatomical crown of the tooth.

What is enamel?

100

The surface of an anterior tooth that faces the lips.

What is labial?

100

This federal law protects the privacy and security of patients’ protected health information.

What is HIPAA?

100

In dental charting, this color is universally used to indicate dental work that has already been completed.

What is blue (or black)?

100

This specific clinical term describes the rapid, sudden, and extensive formation of carious lesions throughout the mouth.

What are rampant caries?

100

This key legal term describes the clear framework defining the specific tasks and procedures a dental assistant is legally permitted to perform within their home state.

What is the State Dental Practice Act (or Scope of Practice)?

200

This butterfly-shaped bone is located at the base of the skull and is important because several cranial nerves pass through/around it.

What is the sphenoid bone?

200

This type of PPE protects the eyes from splashes, spray, and debris.

What are protective eyewear/face shields?

200

This layer makes up most of the tooth and lies underneath the enamel and cementum.

What is dentin?

200

The surface of a posterior tooth that faces the cheek

What is buccal?

200

A patient’s name, address, treatment information, and dental records can all be considered this under HIPAA.

What is protected health information (PHI)?


200

This charting symbol—a circle around the tooth or an "X" drawn through the entire tooth—indicates this status.

What is an extraction (or missing tooth)?

200

This type of decay occurs directly under or immediately adjacent to the borders of an existing dental restoration.

What are secondary (or recurrent) caries?

200

Voluntary acceptance or standard agreement by a patient to allow a proposed clinical treatment to proceed, finalized only after a thorough verbal discussion of all relevant risks, benefits, and alternatives.

What is informed consent?

300

This muscle is primarily responsible for closing the jaw and is one of the muscles of mastication.

What is the masseter?

300

An instrument that penetrates soft tissue or bone is classified as this type of item.

What is critical?

300

This contains the nerves, blood vessels, connective tissue, and odontoblasts.

What is the pulp?

300

The surface of a tooth that faces toward the tongue.

What is lingual?

300

This federal agency establishes and enforces workplace safety standards.

What is OSHA?

300

When a patient suddenly loses consciousness due to a temporary decrease in blood flow to the brain, they are experiencing this common emergency condition.

What is syncope (fainting)?

300

These two specific groups of bacteria are the primary causative agents responsible for initiating and progressing dental caries.

What are mutans streptococci and lactobacilli?

300

This foundational legal concept states that the employer-dentist is ultimately responsible for any negligent or wrongful acts committed by the dental assistant while performing office duties.

What is respondeat superior (let the master answer)?

400

This major salivary gland is located near the ear and has a duct that opens opposite the maxillary second molar.

What is the parotid gland?

400

This type of monitoring uses bacterial spores to determine whether a sterilizer is effectively killing microorganisms.

What is biological monitoring (spore testing)?

400

This is the portion of the tooth that is normally visible above the gingiva.

What is the clinical crown?

400

The surface of a posterior tooth that contains the cusps and comes into contact with the opposing teeth.

What is occlusal?

400

Your neighbor asks her adult son's appointment earlier that day and asks about his diagnosis because they're curious, but they’re not involved in the patient’s care. Should you tell them?

What is no?

 Patient information should only be accessed/disclosed as permitted and to those who have a legitimate need/right to know.

400

This component of a vital signs assessment measures the number of beats per minute to evaluate heart rhythm and strength.

Question: What is the pulse rate?

400

This soft, sticky bacterial mass adheres tightly to tooth surfaces and is also scientifically termed oral biofilm.

What is dental plaque?

400

This formal programmatic entity serves as the official national body that formally evaluates and accreditates dental assisting, dental hygiene, and dental school programs in the United States.

What is the Commission on Dental Accreditation (CODA)?

500

Name the three divisions of the trigeminal nerve

What are ophthalmic (V1), maxillary (V2), and mandibular (V3)?

500

You finish treating a patient and discover that you have a contaminated instrument without gloves on. What should you do?

What is stop, put on appropriate PPE, and safely handle/process the contaminated instrument according to infection-control protocol?

500

The tissue that covers the anatomical root of the tooth and helps attach the periodontal ligament is called this.

What is cementum?

500

A restoration is placed on the mesial, occlusal, and distal surfaces of #30. What abbreviation describes these surfaces?

What is MOD?

500

This crucial safety document provides comprehensive details on chemical identities, hazards, handling, and first-aid measures for dental materials.

What is a Safety Data Sheet (SDS)?

500

**MEDICAL EMERGENCY

A patient experiencing an acute asthma attack in the dental chair should be administered this specific type of emergency medication via an inhaler.

What is a bronchodilator (or albuterol)?

500

These three distinct protective mechanisms are naturally produced by saliva to safeguard teeth against acid demineralization.

What are physical, chemical, and antibacterial actions?

500

This historic 18th-century French physician published The Surgeon Dentist and is universally recognized as the true "Father of Modern Dentistry."

Who is Pierre Fauchard?

1000

This pair of bones forms the upper jaw and contains the air-filled maxillary sinuses.  

What are the maxillae (or maxillary bones)?

1000

This type of disease transmission occurs through the droplet spray or mist created by dental handpieces or ultrasonic scalers.

What is airborne (or aerosol) transmission?




1000

These microscopic structural paths or canals extend from the pulp chamber outward through the dentin layer.

What are dentinal tubules?




1000

A restoration placed on tooth #19 involves the surface facing the tongue and the surface closest to the midline. This is abbreviated as this specific two-letter combination.

What is an ML (Mesiolingual) restoration?

1000

This color-coded warning emblem must be prominently displayed on containers holding regulated waste or contaminated items to alert staff to biological hazards.

What is the biohazard symbol?

1000

This clinical chair position places the patient's head lower than their feet and is frequently used to manage an emergency OR surgical access.

What is the Subsupine (or Trendelenburg) position?


1000

This initial, early-stage carious lesion represents a tooth surface that has begun demineralizing before full cavitation has occurred.

 What are incipient caries?




1000

This ethical term describes the core moral principles and standards of professional conduct that guide a provider's clinical decisions.

 What is ethics?

1100

This specialized joint connects the lower jaw to the temporal bone, allowing for opening, closing, and side-to-side chewing movements.

What is the temporomandibular joint (TMJ)?

1100

This is the household, commercial name for sodium hypochlorite.

What is household bleach?

1100

This is the specific name for the narrow, elongated portion of the pulp cavity that runs through the roots of the tooth.

What is the root canal (or radicular pulp)?

1100

This specific type of crown surface feature on an anterior tooth refers to the convex, rounded prominence located on the cervical third of the lingual surface.

What is the cingulum?

1100

This federal regulatory body is responsible for testing, registering, and regulating all chemical disinfectants utilized in a dental setting.

What is the Environmental Protection Agency (EPA)?

1100

Marked with clear millimeter increments, this handheld diagnostic assessment instrument is used to check the health and depth of the gingival sulcus.

What is a periodontal probe?

1100

These two specific oral conditions represent the two most common dental diseases encountered in human history.

What are dental caries and periodontal disease?

1100

This term describes a legal contract or standard agreement between two or more states that allows a dental professional licensed in one state to practice in another without retaking full board exams.

What is licensure by reciprocity?

1200

This narrow opening or slit-like landmark located behind the central incisors on the hard palate serves as the gateway for the nasopalatine nerve.

What is the incisive foramen?

1200

This chemical agent can leave a stubborn, thick residue buildup on treatment room surfaces if overused continuously.

What is a synthetic phenol compound?

1200

This supportive tissue consists of dense fibrous connective strands that anchor the cementum of the root directly into the alveolar bone socket.

What is the periodontal ligament (PDL)?

1200

This specific term describes the proximal surface of a tooth that faces directly toward the midline of the dental arch.

What is the mesial surface?

1200

his federal agency establishes and enforces strict, legally binding workplace safety and chemical management standards.

What is OSHA?

1200

 A diagnostic vital signs reading where the systolic pressure is consistently clocked above 130 mm Hg indicates this common cardiovascular risk condition.

What is hypertension (high blood pressure)?

1200

To ensure optimal preventive exposure, this specific order is recommended when performing home mechanical plaque removal.

What is flossing before toothbrushing?

1200

This form of clinical supervision requires that the dentist be physically present in the treatment facility and personally check the dental assistant's work before the patient is dismissed.

What is direct supervision?

1300

This large, rounded bony projection located just behind the ear on the temporal bone serves as a major attachment point for neck muscles.

What is the mastoid process?

1300

This thin layer of organic matter, such as blood or saliva, must be precleaned from a surface because it can completely inactivate an intermediate-level disinfectant.

What is bioburden?

1300

This is the natural opening at the root tip (apex) of a tooth through which blood vessels and nerves enter the pulp.

 What is the apical foramen?




1300

The surface of a posterior tooth that contains the cusps and comes into contact with the opposing teeth.

What is the occlusal surface?

1300

This color-coded warning emblem must be prominently displayed on clinical sharps containers holding regulated hazardous medical waste to alert staff.

What is the biohazard symbol?

1300

This specific term describes the localized numbness, altered sensation, or lingering "tingling" feeling that remains hours or days after local anesthesia should have worn off.

 What is paresthesia?

1300

This specific dental condition is caused by chronic excessive systemic exposure to fluoride during the active mineralizing stages of tooth development.

What is fluorosis?

1300

This specific legal term describes a civil wrong or injury committed against a person (such as dental malpractice) that results in harm and can lead to legal action for damages.

What is a tort?

1400

This specific anatomical structure is the small projection of tissue that hangs centrally from the posterior edge of the soft palate.

What is the uvula?

1400

If you are setting up an operatory and notice a surface barrier has become torn or dislodged during treatment, what must you do to the surface beneath?

What is clean and disinfect the underlying surface?

1400

These specialized embryonic cells are responsible for building and laying down the hard enamel matrix during oral development.

What are ameloblasts?

1400

This line marks the exact external micro-junction where the enamel crown and the cementum root meet at the cervix of the tooth.

What is the cementoenamel junction (CEJ)?

1400

Unlike regulatory groups, this advisory agency does not issue fines or law penalties, but it publishes evidence-based clinical recommendations regarding dentistry dental infection control guidelines.

What is the CDC (Centers for Disease Control and Prevention)?

1400

This dangerous medical condition occurs when a diabetic patient's blood sugar levels drop too low, causing confusion, tremors, and heavy sweating.

What is hypoglycemia (or insulin shock)?

1400

This structural complex consists of the gingivae, epithelial attachment, sulcus, periodontal ligaments, cementum, and alveolar bone.

What is the periodontium?

1400

This primary ethical principle, which translates to "do no harm," mandates that a dental provider must always act to prevent injury to the patient.

 What is nonmaleficence?