CDT UPDATED FINAL EXAM QUESTIONS AND ANSWERS
RATED A+
✔✔The Curve of Spee - ✔✔is the anterior-posterior curvature of the occlusal surfaces
of mandibular teeth.
✔✔What is the proper order or operations after receiving a denture back from the
dentist with impression material on the tissue surface? - ✔✔box impression, trim cast,
cut notches, blockout undercuts
✔✔Polymerization of the denture means - ✔✔curing the denture base
✔✔The rear most, upper most, midmost position of the mandible in the articular fossa is
- ✔✔centric relation
✔✔When finishing complete dentures, what should the pumice be applied to? -
✔✔directly to the object being polished
✔✔Which statement best describes the movements in the temporomandibular joint
during centric occlusion, protrusion and retrusion? - ✔✔Movements occur bilaterally
simultaneously and in the same direction
✔✔What is the MOST important reason to allow the gypsum cast to fully set? - ✔✔avoid
loss of surface detail.
✔✔Monomer is a - ✔✔liquid for mixing methyl methacrylate/acrylic.
✔✔The mandibular second premolar contacts the - ✔✔maxillary first and second
premolars.
✔✔The mesiobuccal cusp of the maxillary first molar is in alignment with the
mesiobuccal groove of the mandibular first molar in what type of occlusion? - ✔✔class I
✔✔Where are the synovial cavities located? - ✔✔as part of the TMJ
✔✔What is the MOST likely cause for porosity after processing and deflasking a
denture? - ✔✔the curing temperature was too high or the flask was underpacked
✔✔A non-arcon articulator is one which - ✔✔has the condyles on the upper member.
✔✔In a Class I occlusion a tooth has contact with two teeth in the opposing arch. There
are two exceptions to this statement and they are the - ✔✔upper third molars and lower
centrals
, ✔✔One advantage specific to cusp to marginal ridge occlusion is that it - ✔✔helps to
maintain stability if a tooth is lost.
✔✔Frenum areas in a baseplate must be - ✔✔relieved for comfort.
✔✔The appliance which is best to relieve hyperactive muscles is called a/an - ✔✔TMJ
appliance
✔✔The____ is where the two centrals line up and is marked by the dentist. - ✔✔midline
✔✔Distoclusion describes a _______________ occlusion - ✔✔class II
✔✔Remounting index should be accomplished _____ completing all selective grinding
and _____ separating denture from master cast and original mounting. - ✔✔after;
before
✔✔What is the commercial name for a prefabricated hinge and lock system that can be
substituted for clasps in an RPD framework? - ✔✔swing-lock
✔✔Which of the following is the correct definition of retention? - ✔✔ability to resist
removal of the RPD in an occlusal direction
✔✔Why should wax be removed from the clasp arms before processing? - ✔✔keep
clasp from becoming embedded in acrylic
✔✔Which of the following statements is correct when electropolishing a partial? -
✔✔The cathode is the negative pole on the machine
✔✔Which is a BEST process to relieve the clasp of strain during the recovery process?
- ✔✔use a sharp knife to cut away the stone tooth under the clasp
✔✔When boxing an impression, where should the top of the boxing wax representing
the base of the cast be? - ✔✔15 mm above the highest point of the impression
✔✔Which wax is MOST ideal for dipping refractory casts? - ✔✔beeswax
✔✔What is the correct term for describing the diameter of a metal wire? - ✔✔gauge
✔✔What are three MOST important qualities of a master cast? - ✔✔accurate, dense
and strong
RATED A+
✔✔The Curve of Spee - ✔✔is the anterior-posterior curvature of the occlusal surfaces
of mandibular teeth.
✔✔What is the proper order or operations after receiving a denture back from the
dentist with impression material on the tissue surface? - ✔✔box impression, trim cast,
cut notches, blockout undercuts
✔✔Polymerization of the denture means - ✔✔curing the denture base
✔✔The rear most, upper most, midmost position of the mandible in the articular fossa is
- ✔✔centric relation
✔✔When finishing complete dentures, what should the pumice be applied to? -
✔✔directly to the object being polished
✔✔Which statement best describes the movements in the temporomandibular joint
during centric occlusion, protrusion and retrusion? - ✔✔Movements occur bilaterally
simultaneously and in the same direction
✔✔What is the MOST important reason to allow the gypsum cast to fully set? - ✔✔avoid
loss of surface detail.
✔✔Monomer is a - ✔✔liquid for mixing methyl methacrylate/acrylic.
✔✔The mandibular second premolar contacts the - ✔✔maxillary first and second
premolars.
✔✔The mesiobuccal cusp of the maxillary first molar is in alignment with the
mesiobuccal groove of the mandibular first molar in what type of occlusion? - ✔✔class I
✔✔Where are the synovial cavities located? - ✔✔as part of the TMJ
✔✔What is the MOST likely cause for porosity after processing and deflasking a
denture? - ✔✔the curing temperature was too high or the flask was underpacked
✔✔A non-arcon articulator is one which - ✔✔has the condyles on the upper member.
✔✔In a Class I occlusion a tooth has contact with two teeth in the opposing arch. There
are two exceptions to this statement and they are the - ✔✔upper third molars and lower
centrals
, ✔✔One advantage specific to cusp to marginal ridge occlusion is that it - ✔✔helps to
maintain stability if a tooth is lost.
✔✔Frenum areas in a baseplate must be - ✔✔relieved for comfort.
✔✔The appliance which is best to relieve hyperactive muscles is called a/an - ✔✔TMJ
appliance
✔✔The____ is where the two centrals line up and is marked by the dentist. - ✔✔midline
✔✔Distoclusion describes a _______________ occlusion - ✔✔class II
✔✔Remounting index should be accomplished _____ completing all selective grinding
and _____ separating denture from master cast and original mounting. - ✔✔after;
before
✔✔What is the commercial name for a prefabricated hinge and lock system that can be
substituted for clasps in an RPD framework? - ✔✔swing-lock
✔✔Which of the following is the correct definition of retention? - ✔✔ability to resist
removal of the RPD in an occlusal direction
✔✔Why should wax be removed from the clasp arms before processing? - ✔✔keep
clasp from becoming embedded in acrylic
✔✔Which of the following statements is correct when electropolishing a partial? -
✔✔The cathode is the negative pole on the machine
✔✔Which is a BEST process to relieve the clasp of strain during the recovery process?
- ✔✔use a sharp knife to cut away the stone tooth under the clasp
✔✔When boxing an impression, where should the top of the boxing wax representing
the base of the cast be? - ✔✔15 mm above the highest point of the impression
✔✔Which wax is MOST ideal for dipping refractory casts? - ✔✔beeswax
✔✔What is the correct term for describing the diameter of a metal wire? - ✔✔gauge
✔✔What are three MOST important qualities of a master cast? - ✔✔accurate, dense
and strong
