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WorksheetsS100 Learning Session Final Review Quiz
Total questions: 45
Worksheet time: 23mins
Acrylic partial dentures are...?
a) a perfect match to gingival shade
b) weaker and less rigid than metal
c) an excellent alternative to fixed bridgework
d) comfortable to wear & better feel than natural teeth
Thumb partials are most commonly used in the following situations...?
a) permanent restorations
b) single or multiple tooth replacement
c) patient compliance
d) maxillary teeth only
When adjusting the fit of castings, you can decrease the fit of your castings by...
a) increasing the concentration of special liquid
b) decreasing mold temperature
c) using softer wax
d) mixing investment with slightly warmer water
When selecting a shade for a client, the following should be considered except...?
a) Complexion
b) Age
c) Gender
d) Hair colour
e) Existing denture
What is the most critical factor when selecting teeth?
a) Size
b) Manufacturer
c) Shade
d) Age of client
When finishing a thumb partial denture the dental technician/dentist should check...?
a) the path of insertion
b) if the clasps are polished
c) if the shade is correct
d) all of the above
Some advantages of Indirect Technique include... (**more than one correct answer**)
a) Less chair time
b) limited variety of materials
c) Technician can work on model rather than directly in the mouth
c) More chair time
If we do not equilibrate the model, we risk the restoration being ..... in the mouth.
a) High
b) Low
c) Subgingival
d) Buccal
The final burnout temperature is determined by...
a) the alloy being casted
b) investment material
c) size of the ring
d) how many rings in the furnace
Looking at the image above of the Maxillary First Molar...what anatomical feature is presented in #2?
a) mesio-buccal cusp
b) disto-buccal triangular ridge
c) disto-buccal cusp
d) mesial marginal ridge
Looking at the image of the Centrifugal Casting Machine...what component is B?
a) cradle
b) crucible
c) casting ring
d) crucible carriage
When an anterior mold with triangular incisors is selected, the face or arch form of the client is considered to be...?
a) Square
b) Tapering
c) Ovoid
d) None of the above
The 'BULL' rule applies when performing selective grinding in...?
a) Centric contacts
b) Lateral contacts
c) Protrusive contacts
d) All of the above
During investing, you must ensure your patterns are ______ away from the sides of the investment ring.
a) 2-6mm
b) 3-5mm
c) 6-8mm
d) 8-10mm
When spruing your wax patterns, the sprue former should be attached to the...?
a) near the margin
b) thinnest cross-sectional area
c) on the occlusal table
d) thickest cross-sectional area
The wax patterns should always be kept in the ______ of the investment ring.
a) bottom
b) cold zone
c) outside
d) heat zone
The term phonetics refers to...?
a) Mastication efficacy
b) The science of sounds used in speech
c) The science of light used in dentistry
d) The science of chewing and digestion of food
When casting Non-Precious alloy, the final burnout temperature is...?
a) 700C/1300F
b) 850C/ 1550F
c) 625C/1157F
d) 900C/1650F
When determining the amount of alloy that should be used when casting, it depends on the...
a) weight of wax patterns & density of alloy
b) alloy being casted
c) investment selected
d) number of rings in furnace
Disadvantages of Acrylic Partial Dentures include...
a) Tissue Borne
b) Nonporous
c) High strength
d) Easily fractures
Why is it important to properly burnout the casting investment...?
a) to eliminate moisture
b) to eliminate residue from the mold cavity
c) to provide necessary expansion of the investment
d) all of the above
The average height of a maxillary occlusion rim is...?
a) 18mm
b) 22mm
c) 8-10mm
d) 3-4mm
The first step in complete denture treatment analog workflow is...?
a) Post insertion assessment
b) Preliminary impression
c) Final impression
d) Oral Exam
Acrylic Removable Partial Denture are...
a) support and retain denture teeth
b) are unaesthetic
c) expensive
d) transmit stresses/forces to the oral tissues
Some indications for treatment for an acrylic partial denture include...
a) Age of Patient
b) Expenses
c) Implant Treatment
d) None of the above
When setting up tooth/teeth, denture teeth must blend in with the surrounding natural dentition.
a) True
b) False
When trimming copings, the metal should be trimmed to a uniform thickness.
a) True
b) False
What are the advantages of acrylic partial dentures?
(**Note: there is more than one correct answer**)
a) They are strong
b) Provide great support against occlusal forces
c) Easily modified & repaired
d) Quick & inexpensive option for treatment
The purpose of a custom tray is?
a) Provide a sanitary tray for individual patients
b) Decrease the need for the clinician to keep an over supply of stock trays
c) Enable the clinician to secure a more accurate impression
d) Support the sale of polyether impression material in the marketplace
Path of insertion is the direction a denture moves as it goes in the oral cavity.
a) True
b) False
The wax patterns should be placed in the heat center and the reservoir should be in the cold center.
a) True
b) False
When melting alloy, what part of the torch flame should be used...?
a) combustion zone
b) reducing zone
c) oxidizing zone
d) all of the above
Bite registration determines which relationship...?
a) VDR & VDO relationship
b) VDO & Occlusal Plane relationship
c) VDO & Maxillo-mandibular relationship
d) none of the above
Before cold cure processing, the posterior boarder of the partial should be scored and given a bead-line (ie. post dam).
a) True
b) False
Cold cure acrylic is cured in a denture curing unit.
a) True
b) False
What is the purpose of complete dentures?
a) to restore esthetics
b) to preserve remaining structures (ie. bone)
c) limit trauma to the supporting structures
d) all of the above
Centric relation is the horizontal relationship of the mandible to the maxilla.
a) true
b) false
An imaginary curve joining the buccal cusp tips of the mandibular posterior teeth and the convex curve of the buccal cusp tips of the upper posterior teeth is called...
a) Curve of Wilson
b) Curve of Monson
c) Curve of Spee
d) Condylar Guidance
What's the purpose of grinding in the bite in dentures/partials?
a) to compensate for acrylic shrinkage
b) denture must be stable & at the correct VDO
c) Uneven bite can result in loss of retention, clicking or even TMJ pain
d) All of the above
When equilibrating (grinding in the bite) denture, you are aiming for...?
a) contact only on the molars
b) edge to edge contact
c) only have 2 contact points for each tooth
d) simultaneous contacts
There must be a stop on the other side of the tooth to balance the displacing force of the clasp, therefore, clasp arms are always made in reciprocating pairs.
a) True
b) False
When the mandible moves so that the mandibular incisors are edge to edge with the maxillary incisors it is said to be in...
a) Lateral excursion
b) Protrusive excursion
c) Maximum intercuspation
d) Canine guidance
During lateral movement, the working side is the side of the mandible that moves away during mastication.
a) true
b) false
Which of the following is not a function of occlusal rims?
a) low lip line
b) canine line
c) occlusal plane
d) height of contour
The amount of retention that the clasp has is equal to the amount of energy that is needed to bend it over the survey line.
a) True
b) False
