Mod 2 Final Flashcards
Defined as an abnormal dryness of the mouth due to insufficient amounts of saliva:
Xerostomia
The portion of the tooth that makes up the majority of the tooth’s structure:
Dentin
Arrested carious lesions are often ____ in color.
All of the above
Which of the following areas of a tooth are most susceptible to decay?
Pits and fissures
Which dental instrument is used to detect surface caries?
Explorer
____ is an antibacterial mouth rinse used to help prevent oral infections.
Chlorohexidine
The initial formation of tooth decay is known as:
Incipient caries
Which of the following would be considered least carciogenic?
Cheese
Which of the following is not one of the characteristics of pellicle?
Strengthens cementum
The type of caries most prevalent in the geriatric population is:
Root surface
The type of caries found around the margins of an existing restoration is:
Recurrent
Which of the following is the correct order for hardness of the different tooth structures?
Enamel, dentin, cementum, pulp
Which of the following is the correct order for plaque formation?
Pellicle, mutans streptococci, lactobacilli, other microrganisms
Use of the explorer in detecting caries can cause ____ in an area that had the possibility to remineralize.
Cavitation
The most accepted means of caries detection is/are:
Explorer
The soft and bony supporting structure of tissues that surrounds and supports the teeth is the:
Periodontium
Which of the following is not a term used to describe the severity of periodontal disease?
Late
There are ____ forms of periodontal disease.
Seven
The sticky tooth-covered film present on teeth that forms from bacteria and its by-products is:
Plaque
The bacteria present in plaque produces ____, which destroy the periodontium and cause inflammation.
Toxins and enzymes
The most common areas for calculus to build up are the areas nearest to the:
Salivary ducts
The epithelial attachment is:
All of the above
____ is the first indication of periodontal problems.
Gingivitis
Subgingival calculus is stained dark yellow, brown, green, or black due to:
Blood pigments from periodontal inflammation
The test used to determine a patient’s susceptibility to periodontal disease is the PST, which stands for:
Periodontal Susceptibility Test
Juvenile aggressive periodontitis will exhibit radiographic bone loss around the:
First molars and anterior incisors
Gingivitis is defined by ____ gingival inflammation.
Marginal
Smoking causes a greater loss of bone, deeper periodontal pockets, increased tooth loss, and:
Increased calculus formation
Cementum is the portion of the periodontium that functions to:
Anchor the tooth to the bone
Which of the following does NOT cause an increase in the symptoms of gingivitis?
All of the above
Due to revisions concerning employee safety and building requirements, the dental office has undergone several changes. These changes were brought about by which of the following associations and acts?
OSHA, and Americans with Disabilities Act
Design considerations for the dental operatory include:
Bright lines to illuminate the oral cavity, solid flat cabinet doors for disinfection, and ensuring all dental items can be stored inside cabinets
For ease of access, the following items are typically found in the business and office assistant area:
Computer, fax machine, intercom/phone system, thermostat control, and exam glove supplies.
In the dental office, the ____ controls the appointment book.
Receptionist
The dental office can have many operatories; however, in a general practice, there are two types of operatories, one used for operative dentistry and the other for:
Dental hygiene
Dental equipment is expensive to purchase and crucial to the practice. Because of this, the dental assistant must:
Maintain a equipment-maintenance schedule.
It is important to have an evacuation system when treating a patient because:
Water is often used during treatment
The air compressor is usually kept away for the main area of the office because:
Of the size and noise of the compressor
The material of the dental chair should be easy to:
Clean and disinfect
When the patient is seated in a 90-degree angle, she is considered to be in the:
Upright position
When a patient begins to feel faint, in what position should the patient be placed?
Sub-supine
The handpieces; air-water syringes and/or saliva ejector; and high-volume evacuator, are collectively called the:
Dental unit
The ____ is a foot-control or pedal device that is used to operate and control the dental handpieces from the dental unit.
Rheostat
The air-water syringe should be ____ prior to and in between each patient.
Flushed
All dental materials (cements) are stored in ____ within the dental operatory.
Cabinets
The ____ is a small piece of dental equipment that triturates or mixes a restorative material.
Amalgamator
The ____ area within the sterilization area should be the first stop for instruments.
Dirty
Patient records are considered ____, and must be kept in a physically secured area.
Legal documents
Many offices keep dental records indefinitely, but state law mandates that dental patient records are to be kept for:
7 years
A patient’s dental records can be requested by ____ with proper documentation following HIPPA regulations.
All of the above
The legal procedure of correcting a written mistake in a patient’s chart is to:
Draw one line through the entry
It is important for the patient or guardian to sign the patient’s registration form containing personal data and treatment opinions because:
The patient registration form is a legal document
The patient’s allergies to medications, anesthetics, metals, seasonal, and ____ should be documented within his chart.
Latex
When the dentist evaluates, assesses, and diagnoses the dental disease of a patient’s oral cavity, the dentist develops a treatment plan or:
Care plan
Progress notes include the:
Date of treatment, tooth treated, medications, and treatment performed
When asking questions about a patient’s medical history, why is it a good idea to ask the patient the same question in different ways?
He might unintentionally omit or distort answers.
What organization recommends a complete comprehensive exam for all new patients and for patients who have been in the practice for one year?
The DHA
In preparation for the dentist to enter and begin treatment, the responsibility of the dental assistant is to escort the patient to the operatory:
Position the dental stool and patient light, and place the napkin on the patient.
When performing the extraoral/intraoral examination, the patient’s face and neck are examined for:
All of the above
The exam where the dentist takes six measurements of each tooth sulcus and records the depths is called:
A periodontal exam
____ is the process of applying the hands or fingers to the external surface of the body to detect abnormalities.
Palpation
When the dentist palpates the extraoral area and finds swelling, this is indicative of
Infection
The oral soft tissues that are examined are lips, tongue, and the:
Floor of the mouth
The term ____ means a mechanical wearing away of tooth structure.
Abrasion
When evaluating the occlusion, the dentist will ask the patient to close her teeth in ____ occlusion.
Centric
The patient exam is performed in a methodical manner so that no aspect of the examination is missed. The mnemonic to remember is S.O.A.P; this stands for:
Subjective, objective, assessment, and plan.
The conservation of human energy can be defined as:
Range of motion
The zones of actvity in four-handed dentistry include all of the following except the:
Patient’s zone
When practicing ____ dentistry, it is important to have equipment and materials within reach of the operator and assistant.
Four-handed
Injury can occur when the dental assistant’s are is moved to reach items that are not at a comfortable distance. This reach is called the ____ reach.
Horizontal
Should the dental assistant work with a thin and smooth handle dental instrument, a ____ grip is necessary to maintain hand and wrist health.
Light
To stretch your shoulders, chest, and elbow, you should repeat these motions often throughout the day:
Sit, fold your arms in front of you, and lean backward
When practicing four-handed dentistry, the patient light should be ____ feet above the patient.
3-5
When working on a dental procedure, the operator’s face is approximately ____ inches from patient’s face.
12-14
When considering good time management, the primary consideration when practicing four-handed dentistry during clinical procedures is called:
Motion economy
The operating zones are divided into four categories using the patient’s face as a guide:
Operator’s zone, assistant’s zone, transfer zone, and static zone.
To maintain the classification of motion and correct positioning, the four-handed dental assistant utilizes ____ economy.
Motion
The EFDA is typically under the ____ supervision of the dentist.
Direct
The dominant hand utilizing the instrument should establish a:
Fulcrum
Class ____ restorations include lingual pits and fissures of the maxillary molars.
I
Class ____ cavity preparations include multi-surface restorations of a posterior tooth.
II
A mesio-occlusal (MOD) restoration is a type class ____ restoration.
II
Class ____ restorations will include the proximal edge and the incisal edge of anterior teeth.
IV
Class ____ restorations are found on the gingival thirdof the facial and lingual surfaces of all teeth.
V
A/n ____ is used to facilitate the fabrication of a custom bleaching tray from a model of the patient’s teeth.
Vacuum former
It is critical for bonding to be placed in a ____ when placing composite resins to tooth surfaces.
Dry environment
Patients should be informed that tooth-whitening procedures can produce some ____.
Sensitivity
The portion of the Toffelmire that resembles a screw is the:
Spindle
The instrument of choice utilized when placing a wedge is/are the:
Cotton pliers
The smaller circumference of the matrix band will be placed toward the ____ portion of the tooth.
Cervical and gingival
The universal retainer is usually placed on the ____ side of the tooth.
Buccal
The occlusal edge of the matrix band forms the ____ loop.
Larger
Wedges are either ____.
Plastic or wooden
A dental matrix can be utilized for class ____ restorations.
All of the above
The advantage of using the sectional matrix system in the placement of composite resin restorations is:
The ability to access the restoration with the curing light.
A burnisher is used to adapt the band to the proximal tooth surface to create a/n:
Tight contact
When placing a sectional matrix, a piece of floss should be tied to the ____ to retrieve it from the patient’s mouth should it become dislodged.
Tension ring
What is the overall length of a hand instrument?
Six inches
The design of the shank is ____ at an angle to reach a specific area of the mouth.
Straight or bent
Into how many categories are instruments classified?
Six
The formula on the handle of a dental instrument reads 13-8-14. What woudl this indicate?
The blade is 1.3mm wide and 8mm long, and the angle formed is 14/100 of a circle.
What type of vision is used when working on the maxillary posterior lingual surface?
Indirect vision
What dental instrument is used to locate faulty margins of an amalgam?
23 explorer
Hand cutting instruments are used for:
Cavity preparation
The instrument that compresses amalgam into the cavity preparation is called:
An amalgam condenser
Composite placement instruments are autoclavable, and made from anodized aluminum, aluminum titanium coated stainless steel, or ____, and do not leave any discoloration on the newly placed composite.
Teflon
What handpiece is selected to be used for cavity preparation of retention grooves?
High speed
By keeping the procedure setups in____, the procedure will be smooth and instruments clean, and supplies at arms reach.
Tub and tray systems
The two most common grasps used when using the HVE are:
Pen and thumb to nose
The saliva ejector should be used with a/n ____ motion near the back of the throat.
Sweeping
The morcoorganisms that can accumulate in the dental unit water lines and can increase a patient’s susceptibility to transmissible diseases are called:
Biofilm
The technique that involves the use of a triangular, absorbent pad is called:
Dry-angle
The gauges (thickness) of the dental dam range from:
Thin/light to medium and heavy
Working together as a team, the dentist and assistant can siccessfully place a dam in approximately ____ minutes.
two
The Ostby frame is made from:
Plastic
Maxillary incisors need the hole #____ punched, and the mandibular incisors utilize hole #____.
2; 1
Generally, the mandibular anterior teeth need the ____ hole and the maxillary molars need the ____ hole.
Smallest; largest
Wingless clamps are identified with names beginning with the letter:
W
The double bowed clamps are called the:
Cervical clamps
The ____ is the part of the dental forceps that is used to keep the handles in a fized position.
Sliding bar
The lubricants generally chosen by clinicians are:
Petroleum jelly or zinc oxide
What contains a filter trap that traps amalgam and other solid waste materials from entering the oral evacuator hose?
The Lingua-Fix
