Chapter 25
What is the adaptation of the work environment to the human body?
Ergonomics
A patient’s employment information is located on the
Registration form
Which classification includes the gingival third of the tooth?
Class V
True/False: Carpet is the recommended floor covering in the clinical and laboratory
False
Team dentistry is also referred to as
4 handed dentistry
Repetitive motion, overflexion, and overextension of the wrist can increase the risk for what?
Cumulative trauma disorders (CDTs)
A patient’s medical-dental history should be updated
Every time they visit the office
The diagram used for charting the primary teeth includes _____ primary teeth and _____ permanent teeth.
20; 32
Which form of delivery provides the dentist with the easiest access to the dental handpieces without twisting his or her body?
Front
For the right-handed operator, the mouth mirror is transferred with the ________ hand and the explorer is transferred with the _________ hand.
right; left
One of the first symptoms of carpal tunnel syndrome is
painful tingling in both or one hands
Which form alerts the dentist to possible medical conditions and medications that could complicate or interfere with dental tx?
medical history
Examination technique in which the examiner uses his or her fingers and hands to feel texture, size, and consistency of the hard and soft tissue
Palpation
The most powerful system to remove excess water from the patient’s mouth is by
HVE
When passing a dental instrument with the single-handed technique, the dental assistant should grasp the instrument from the tray setup
at the end of the handle or opposite the working end.
The use of ambidextrous gloves can place excessive tension on the
thenar eminence.
What is the average range of the body’s oral resting temperature?
97.6° to 99°F
Using Black’s classification, a pit and fissure on the occlusal surface of molars and premolars is considered a Class _____ cavity.
Model trimming, model pouring, and making bleaching trays are all procedures that take place in the
Labatory
The expanded-function dental assistant (EFDA) performs an expanded function while the dentist is in the same treatment area. The supervision under which this assistant is working is
Direct
The number of carpal bones surrounding the carpal tunnel is
Eight
In the dental office, the most common anatomic site for taking a patient’s pulse is the _____ artery.
Radial
The correct abbreviation for a mesio-occluso-buccal restoration is
MOB
The patient position in the dental chair in which the head is lower than the chest is called the _____ position.
Subsupine
Viewing an object with a mirror is called ________ vision.
Indirect