Dental Assistant Flashcards
Most popular anesthetics
xylocaine and septocaine
Most common gauges are
25, 27 (has a yellow cap and is used on lower), 30 (has a blue cap and is used on upper)
Position chair ________ higher than doctors chair
4 to 6 inches
If doctor IS NOT with a patient, the asst should inform him of next patient by using
treatment, patients name and room #
Instruments with hinges
are delivered by holding at the hinge and directing handle into dentist's palm
Anterior Periapical xrays
are always taken in the vertical position (shows apex)
Voltage controls
the penetrating power of xrays (usually 70-90)
Bisecting angle and parallel (most common) angle technique
techniques used in dentistry
Bite wing xray positioning
aim the beam straight, horizontal from side (shows top and bottom and cavities in b/t)
Label all xrays
with name and date
A periapical xray
of tooth #3 is taken by positioning the head at a downward angle on the pt's right side
A full mouth xray
18 individual x-rays
order of amalgam tray set up
mirror, explorer, Periodontal Probe, Cotton Pliers, Spoon Excavator, Hatchet, Carrier, Condenser, Hollenback Carver, Cleoid/Discoid, Burnisher
Rubber dam set up
rubber dam, frame, punch, clamp, forceps, floss (RFPCFF)
uses of dental dam
keep area dry, protect patient, infection barrier
Function of primary teeth
saving space
Longest teeth
6, 11, 22, 27
Smallest teeth
24, 25
Mandibular first molar
1st permanent tooth to erupt around age 6-7
When suctioning, the bevel of the suction tip should face
towards the tooth
When aspirating using the HVE on tooth #30, the position of the tip is on the _______side of tooth
lingual
Hold HVE with thumb to nose or ________
pen grasp
The HVE bevel should be _________with tooth and the tip should extend _________
parallel and occlusial
3 daily tasks for HVE
- flush hose, check traps weekly, clean and replace screen as needed
Periodontics
- branch of dentistry dealing with the treatment of gingival tissues (gums)
Endodontics
- branch that involves the cause, diagnosis, prevention and treatment of disease and injuries to the pulp and associated structures.
TEAM
- together everyone accomplishes more
HIPAA
-applies to all healthcare providers regarding methods that must be taken to ensure patient privacy
Universal Precautions
- all human blood and body fluids are to be treated as if known to be infected with disease
Supine position
- lying face up, most procedures are performed in this position
Operatory
actual treatment area
Amalgamator
- equipment used to mix or triturate dental materials
Transfer zone
4-7 'o clock position for a right hand dentist
Rheostat
- foot controlled device on floor
Tongue tied
- short lingual frenum
Gingiva
- gums (gingivitis = gum disease)
Hydroxyapatite
- material that is lost in process of decay
Disinfection
the usual method to clean work surfaces
Cementum
Cementum is a hard, calcified layer of tissue that covers the dentin in the root of the tooth
CEJ
- external line at the neck of cervix of tooth where enamel of crown and cementum of root meet
Apex
where the nerve exits and is often missed on the xray
Dentin
hard, dense, bony tissue forming the bulk of a tooth beneath the enamel.
Pulp chamber
found at the center of the tooth between the crown and the tooth's root canals and gets smaller with age
Laminadula
- white line on radiograph that surrounds root
vermillion border
- outlines lips
Mamelons
- rounded enamel extensions on the incisal edge of newly erupted central and lateral incisors
Plaque
- sticky coating that sticks to teeth and is made of bacteria
Saliva provides
physical protection, chemical protection, and bacterial protection
Facial (F)
- the surface of a tooth closest to the cheeks or lips; this surface can also be known as the Labial
Labial (La)
- the surface of an anterior tooth facing the lips
Buccal (B)
- the surface of a posterior tooth facing the cheeks
Incisal Edge (I)
- the biting edge of anterior teeth
Lingual (L)
- the surface of a tooth closest to the tongue
Proximal
- the surface of a tooth that touches a neighboring tooth's surface; each tooth has two proximal surfaces known as the mesial and distal surfaces.
Mesial (M)
- the surface of a tooth that is closest to the midline (middle) of the face #9 is to #10
Distal (D)
- the surface of a tooth that faces away from the midline of the face #19 is to #21
Occlusal (O)
- the chewing surface of posterior teeth