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PA EFDA Board Exam
Study guide for EFDA board exam in Pennsylvania
108
Other
Undergraduate 1
09/13/2016

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Term
how many tooth surfaces?
Definition
5- mesial, distal, lingual, buccal, occlusal/incisal
Term
how many teeth per quadrant in permanent and primary?
Definition
8 permanent teeth per quad and 5 primary teeth per quad
Term
how many teeth per sextant in permanent dentition?
Definition
6 teeth in a sextant
Term
how many teeth in the mouth in permanent and primary dentition?
Definition
32 teeth in permanent and 20 teeth in primary
Term
Define anatomical crown
Definition
part of the crown covered in enamel, above and below the gum line
Term
define clinical crown
Definition
the visible portion of the anatomical crown
Term
contact areas serve 2 purposes
Definition
1- to keep food from packing between the teeth
2- to help stabilize the arches
Term
how many embrasures and what are their names?
Definition
-incisal or occlusal
-facial or buccal
-lingual
-gingival
Term
How many types of dentin? What is the bulk of the tooth made up of?
Definition
3 types of dentin- primary, secondary, and reparative.
The bulk of the tooth is from dentin
Term
How many types of cementum?
Definition
2 types
Cellular-cementum on the apex of the root(cells actively producing)
Acellular-cementum cannot replace itself if it is diseased or have been removed mechanically
Term
Functions of the pulp?
Definition
formative or developmental
nutritive
sensory
defensive or protective
Term
What tooth has cusp of carabelli?
Definition
Upper first molars (3 & 14)
Term
Which teeth have 2 buccal grooves?
Definition
Lower first molars (19 & 30)
Term
Define ridge
Definition
any linear elevation on the surface of a tooth
Term
How many ridges are there?
Definition
4-marginal, triangular, transverse, and oblique
Term
define marginal ridge
Definition
rounded border of enamel that forms the mesial and distal boundaries of the occlusal surfaces of molars and premolars and the mesial and distal boundaries of the lingual surfaces of incisors and cuspids
Term
define triangular ridge
Definition
a ridge on a molar or premolar the descends from the tips of the cusp towards the central part of the occlusal surface
Term
define transverse ridge
Definition
the ridge formed by the union of two triangular ridges that extend across the surface of posterior teeth
Term
define oblique ridge
Definition
ridge crossing the occlusal surface of only maxillary molars in an oblique direction
Term
define fossae
Definition
irregular depressions or concavities on the surface of anterior and posterior teeth
Term
define central fossa
Definition
depression or concavity found in the central portion of the occlusal surface of molars
Term
define triangular fossa
Definition
located on the occlusal surface of molars and premolars distal to the mesial marginal ridge and mesial to the distal marginal ridge
Term
define central groove
Definition
extends in a mesial-distal direction across the occlusal surface of posterior teeth
Term
define supplemental grooves
Definition
less distinct grooves, supplemental to developmental grooves
Term
define pits
Definition
small pinpoint depressions located at the junction of developmental grooves or at the termination of those grooves
Term
define fissures
Definition
developmental or supplemental groove with incomplete closure of enamel
Term
define cavosurface
Definition
the uncut tooth surface adjacent to the cavity peparation
Term
define line angle
Definition
line formed along the junction of two walls
Term
define point angle
Definition
a point formed by the junction of 3 walls within a cavity prep and named according to the three walls involved
Term
define axial wall
Definition
parallel to the long axis of the tooth and adjacent to the pulp
Term
where is the anchor tooth when using a rubber dam
Definition
one tooth distal to tooth being treated
Term
what part of the clamp is seated first when using a rubber dam
Definition
seat lingual first
Term
what instrument is used to invert rubber dam into gingival sulcus?
Definition
blunt shaped instrument like a t-ball burnisher
Term
first step to remove rubber dam?
Definition
cut each interdental septum
Term
reasons pulp may be irritated?
Definition
caries, traumatic occlusion, effect of cutting burs, desiccation, condensation pressure, chemical irritation from restorative materials, temperature changes, dimensional changes, lack of marginal seal.
Term
Define reinforcer base
Definition
used to protect pulp from pressures exerted on it during amg placement
Exp: ZOE, ZOP, and Polycarboxylate
Term
define insulator base
Definition
placed to insulate the pulp from thermal irritaiton
Exp: ZOE, ZOP, and Polycarboxylate
Term
define obtundent bases
Definition
have the ability to soothe the pulp
Exp: ZOE
Term
define stimulator bases
Definition
have a mildly irritatin effect on the pulp to stimulate tertiary dentin
Exp: Calcium Hydroxide
Term
Minimum depth a cavity prep must extend into the dentin?
Definition
0.5mm - 1.5mm
Term
Order of materials for a deep base
Definition
1. Calcium Hydroxide
2. ZOE Cement
3. Varnish
Term
Types of pulp exposures
Definition
Mechanical and through caries process
Term
What cannot be used under composite restorations?
Definition
Copal Varnish and ZOE
Term
Components of Amalgam?
Definition
Silver, copper, tin and zinc
Term
Define galvanism
Definition
when two different metals in the mouth contact and cause an electric current resulting in pain (silver amalgam and gold restoration)
Term
Define creep
Definition
can cause an amalgam restoration to extend out of the cavity prep causing marginal breakdown
Term
Parts of the tofflemire
Definition
Spindle-tighten or loosen vice
Vice-box shaped, spindle moves in and out
Inner Knob-changes circumference of band loop
Outer Knob-tighten or loosen the spindle against the matrix band in the vice
Term
reasons for a wedge
Definition
*used to adapt the band to the cervical region of the tooth
*separates the teeth to ensure proper contact for the complete restoration
Term
What cavity class indicates the need for a wedge?
Definition
Class 2
Term
Reasons to condense amalgam?
Definition
Eliminate voids and reduce amount of residual mercury
Term
Minimum increments for all restorative materials?
Definition
2 increments
Term
If submarginal area is greater the 0.2mm, the amalgam must be removed and replaced?
True or False
Definition
True
Term
Carving Procedures
Definition
Hold carver with modified pen grasp
Use surrounding surface as a guide when carving and removing excess
Term
First step in carving class 2 amg?
Definition
Use an explorer to round the occlusal embrasure of the marginal ridge before removing the matrix band
Term
Define Finishing
Definition
removing marginal irregularities, defining anatomical contours and smoothing the surface.
Term
Define Polishing
Definition
done to obtain a smooth, shiny luster on the surface of the amalgam so that it is easier to keep clean
Term
When should finishing and polishing be done to amalgam?
Definition
Should not be done until amalagam reaches its final set (At least 24 hours)
Term
Bonding agent to the tooth is what kind of retention?
Definition
Mechanical Retention
Term
Define smear layer
Definition
always covers dentin after per. made of cutting debris. Etch will remove smear layer
Term
What type of cure are 2 paste and 1 paste systems?
Definition
2 paste-self cure
1 paste-light cure
Term
How often should curing light be tested?
Definition
Once per week
Term
Hybrid composites wear better than micros?
True or False?
Definition
True. The difference in composites are the filler particle sizes.
Term
How long will fissure sealants last if placed properly?
Definition
7 years
Term
Re-etch enamel for how long if contaminated with saliva?
Definition
10 seconds
Term
primary tooth eruption pattern
Definition
Centrals
Laterals
first molars
canines
second molars
Term
Permanent tooth eruption pattern Maxillary
Definition
first molar
centrals
laterals
first premolar
second premolar
canines
second molar
third molar
Term
Permanent tooth eruption pattern Mandibular
Definition
first molar
centrals
laterals
canines
first premolar
second premolar
second molar
third molar
Term
define cingulum
Definition
a convex area on the lingual surface on the anterior teeth, near the gingiva
Term
define cusp of carabelli
Definition
the fifth cusp located on the mesial lingual surface on the max. first molar
Term
define lobes
Definition
separate parts that come together to form a tooth
Term
define mamelons
Definition
three bulges on the incisal edge on the newly erupted central and lateral incisors
Term
Smallest teeth in the mouth?
Definition
#24 & #25
Term
Which teeth have 2 or 3 cusps and normally have a Y shaped occlusal?
Definition
#20 & #29
Term
Cavity Classes
Definition
Class 1-Pits & Fissures
Class 2- Interprox. surfaces in post.
Class 3-interprox. surfaces in ant.
Class 4-interprox. surfaces anterior including incisal edge
Class 5-Cervical 3rd of all smooth surfaces
^^By G.V. Black
Class 6- occlusal surface worn by attrition
Term
Malocclusion classes
Definition
Class 1_Neutrocclusion-normal. mesiobuccal cusp on max. first perm. molar occludes with buccal groove of mand. first perm. molar
Class 2(Div1)-distoocclusion-teeth protrude outwards towards lips
Class 2 (Div2)-distocclusion-teeth tilt backwards towards tongue
Class 3-Mesocclusion-mand. teeth are mesial to normal position
Term
define overjet
Definition
Horizontal overlap of anterior teeth. Max is farther forward than mand.
Term
define overbite
Definition
vertical overlap. Max teeth extends greater than one-third over mand. ant. teeth
Term
Jaw movements
Definition
Retrusive-back
Protrusive-forward
Lateral-side to side
Term
Steps to do a sealant
Definition
1 Prep tooth (non-fluoride prophy paste)
2 Isolate teeth
3 Dry surfaces/etch(15-30 sec)
4 Rinse/Dry
5 Apply sealant/ cure 20-60 sec
6 Occlusal evaluation
7 Finish and set evaluation sequence (every 6 months)
Term
Zinc phosphate is endothermic or exothermic?
Definition
Exothermic (releases heat)
Term
What material bonds to tooth with no etchant?
Definition
Glass Ionomer
Term
Enamel bonding process
Definition
Etch- 20-30 seconds
Bonding agent/cure
Term
define pupal wall(floor)
Definition
wall that overlies the pulp
Term
define gingival wall
Definition
the wall nearest the gingiva that is perpendicular to the long axis of the tooth
Term
define cavosurface margin
Definition
the angle that is formed by the junction of the wall of the preparation and the untouched surface of the tooth
Term
Amalgam is made of mercury and an alloy. Define alloy.
Definition
a combo of two or more metals
Term
What metal in an alloy increases the strength and hardness?
Definition
Copper
Term
What happens if amalgam is OVER triturated
Definition
The amalgam is soupy
Term
What happens if amalgam is UNDER triturated
Definition
The amalgam is crumbly
Term
How many parts are there to a composite?
Definition
4 parts
*Organic polymer matrix
*Inorganic Filler Particles
*Organic Silane Coupling Agents
*Activator
Term
Advantages of a Dental Dam
Definition
Greater visibility, greater acces to operating field by retraction, moisture control, pt protection from swallowing debris, protection of the gingiva from acid etching, improve patient management, decrease operating time, decreased amount of contaminated aerosol exposure
Term
Criteria for Good Temporary Crown
Definition
*Proximal Contacts
*Food Deflection
*Occlusal Contacts
*Marginal Contour
Term
What makes the best temporary crowns?
Definition
Self-Curing composites
Term
define free-gingiva
Definition
surrounds the tooth and attaches only at the gingiva groove and is about 1mm wide.
Term
define attached gingiva
Definition
extends from the mucogingival junction to the gingival groove, it is stippled and attached tightly to the alveolar bone.
Term
Is cavity varnish a sealer?
Definition
Yes
Term
define polymerization
Definition
the process by which a material changes from a plastic pliable state to a rigid state (setting of composite)
Term
Hardness of tissue from most hard to least hard
Definition
*Enamel
*Dentin
*Bone
*Cementum
Term
define attrition
Definition
(Natural) Wearing away the incisal or occlusal surfaces of the tooth during normal function.
Term
define abrasion
Definition
(mechanical) grinding of teeth
Term
define erosion
Definition
(chemical) wearing away from acids
Term
What is BIS-GMA?
Definition
BIS-Phenol and Glycidylmethacrylate
Term
how long do you have to inform the dental board of a name or address change?
Definition
10 days
Term
Can you use "EFDA" after your name on business forms?
Definition
Yes
Term
What can you do as an EFDA?
Definition
Place rubber dam, matric, wedges, cavity liners, bases, amalgam composite and sealant.
Carve amalgam material
Coronal polish and fluoride treatments
Term
What can you NOT do as an EFDA?
Definition
*Diagnose or tx plan
*cut hard or soft tissue
*prescribe drugs or sign lab slips
*perform pulp capping
*cement final restorations
*administer local anesthetic
*take final impressions for restorations
*cannot work if dentist is out of office
Term
Who do you report suspected child abuse to?
Definition
Your supervisor
Term
Required to take ___ hours of continuing ed per ___ year period for re-certification. License renewed every ___ years. The fee is ___.
Definition
10 hours of continuing ed per 2 year period.
License renewed every 2 years.
Fee is $25
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