CDT Ceramics Exam Questions with Correct Answers Latest Update 2025
what is iodophor used for? - Answers Disinfecting
the hardest tissue in the mouth is: - Answers enamel
a supplemental groove is: - Answers secondary anatomy or grooves
if using bleach as a disinfectant in the dental lab, you should dilute 1 part of bleach with ________ parts
of water. - Answers 2
the tooth with the largest cingulum is the: - Answers maxillary canine
the individuals credited with the first successful commercial dental lab are: - Answers Stowe & Eddy
how many mandibular teeth would normally contact a maxillary central incisor in centric Occlusion? -
Answers two
a triangular ridge descends from the cusp tip to: - Answers the central part of the occlusal surface
the muscles of facial expression that forms most of the upper and lower lips are: - Answers orbicularis
oris
what is the term that best describes grooves that separate teeth into lobes: - Answers developmental
what is the term describing the loss of primary teeth to create space for the eruption of permanent
teeth? - Answers exfoliation
in class I Occlusion, most teeth have contact with two teeth in the opposing arch. there are two
exceptions to this and they are: - Answers upper 3rd molars and lower centrals
in class I Occlusion, where does the buccal cusp of the mandibular first molar occlude? - Answers the
central fossa of the maxillary first molar
mutually protected Occlusion has posterior contacts in: - Answers centric Occlusion
from physiologic rest position, the lower jaw can be projected forward. this movement is known as: -
Answers protrusion
a space created between the maxillary and mandibular teeth when the muscles attached to mandible
are relatively relaxed. this space is appropriately referred to as: - Answers free-way space
overjet may be what type of occlusal discrepancy? - Answers horizontal
why is water used on the carbon tip electrode during the soldering procedure? - Answers to facilitate
electrical contact
type of gingival pontic design: - Answers Spheroidal (sanitary), Ridge-lap (modified), and conical
, the equal blending of two of these colors; red, yellow, blue is: - Answers secondary hues
in the Munsell Color Order System, hue refers to: - Answers the different colors of the color wheel
which zone contains unburned gas and air and is dark blue in color? - Answers combustion
a triangular ridge descends from the cusp tip to: - Answers the developmental groove
what is the term describing the natural loss of the primary teeth? - Answers exfoliation
________ is one of the most frequently used terms, it is also one of the most inaccurate. - Answers
semiprecious
when the canines and anterior teeth cause the posterior teeth to disocclude in eccentric excursions, this
is called: - Answers anterior protection
an inlay that replaces two to three surfaces of an anterior tooth is: - Answers Class IV
which bone is a cranial bone? - Answers frontal
permanent premolars replace: - Answers primary molars
which one of the following is a facial bone? - Answers maxilla
how many mandibular teeth in a class 1 Occlusion contact a maxillary central incisor in centric
Occlusion? - Answers two
the universal numbering system starts with tooth #1 as the : - Answers right maxillary 3rd molar
the roots of anterior teeth: - Answers are conical
the action of the suprahyoid group of muscles is to: - Answers depress the mandible, open the lower jaw
the chroma of a color refers to: - Answers saturation of a hue-intensity of a color
if a stone cast is left in contact with an alginate impression after a final set has occurred, the cast may
exhibit: - Answers rough or chalky residue
the buccinator muscle is used to: - Answers pull the corners of the mouth laterally and hold food
between the teeth while chewing
narrow cracks which may appear in tooth enamel are called: - Answers enamel checks or crazing
how many classifications of Occlusion did Dr. angle describe? - Answers three
the butt joint margin is best achieved on which type of preparation? - Answers shoulder
what is iodophor used for? - Answers Disinfecting
the hardest tissue in the mouth is: - Answers enamel
a supplemental groove is: - Answers secondary anatomy or grooves
if using bleach as a disinfectant in the dental lab, you should dilute 1 part of bleach with ________ parts
of water. - Answers 2
the tooth with the largest cingulum is the: - Answers maxillary canine
the individuals credited with the first successful commercial dental lab are: - Answers Stowe & Eddy
how many mandibular teeth would normally contact a maxillary central incisor in centric Occlusion? -
Answers two
a triangular ridge descends from the cusp tip to: - Answers the central part of the occlusal surface
the muscles of facial expression that forms most of the upper and lower lips are: - Answers orbicularis
oris
what is the term that best describes grooves that separate teeth into lobes: - Answers developmental
what is the term describing the loss of primary teeth to create space for the eruption of permanent
teeth? - Answers exfoliation
in class I Occlusion, most teeth have contact with two teeth in the opposing arch. there are two
exceptions to this and they are: - Answers upper 3rd molars and lower centrals
in class I Occlusion, where does the buccal cusp of the mandibular first molar occlude? - Answers the
central fossa of the maxillary first molar
mutually protected Occlusion has posterior contacts in: - Answers centric Occlusion
from physiologic rest position, the lower jaw can be projected forward. this movement is known as: -
Answers protrusion
a space created between the maxillary and mandibular teeth when the muscles attached to mandible
are relatively relaxed. this space is appropriately referred to as: - Answers free-way space
overjet may be what type of occlusal discrepancy? - Answers horizontal
why is water used on the carbon tip electrode during the soldering procedure? - Answers to facilitate
electrical contact
type of gingival pontic design: - Answers Spheroidal (sanitary), Ridge-lap (modified), and conical
, the equal blending of two of these colors; red, yellow, blue is: - Answers secondary hues
in the Munsell Color Order System, hue refers to: - Answers the different colors of the color wheel
which zone contains unburned gas and air and is dark blue in color? - Answers combustion
a triangular ridge descends from the cusp tip to: - Answers the developmental groove
what is the term describing the natural loss of the primary teeth? - Answers exfoliation
________ is one of the most frequently used terms, it is also one of the most inaccurate. - Answers
semiprecious
when the canines and anterior teeth cause the posterior teeth to disocclude in eccentric excursions, this
is called: - Answers anterior protection
an inlay that replaces two to three surfaces of an anterior tooth is: - Answers Class IV
which bone is a cranial bone? - Answers frontal
permanent premolars replace: - Answers primary molars
which one of the following is a facial bone? - Answers maxilla
how many mandibular teeth in a class 1 Occlusion contact a maxillary central incisor in centric
Occlusion? - Answers two
the universal numbering system starts with tooth #1 as the : - Answers right maxillary 3rd molar
the roots of anterior teeth: - Answers are conical
the action of the suprahyoid group of muscles is to: - Answers depress the mandible, open the lower jaw
the chroma of a color refers to: - Answers saturation of a hue-intensity of a color
if a stone cast is left in contact with an alginate impression after a final set has occurred, the cast may
exhibit: - Answers rough or chalky residue
the buccinator muscle is used to: - Answers pull the corners of the mouth laterally and hold food
between the teeth while chewing
narrow cracks which may appear in tooth enamel are called: - Answers enamel checks or crazing
how many classifications of Occlusion did Dr. angle describe? - Answers three
the butt joint margin is best achieved on which type of preparation? - Answers shoulder
