DECKS Flashcards
A stray crown is found in your office. It is an anterior tooth and has a cingulum that is offset from center. What tooth is it most likely to be?
A. maxillary canine
B. maxillary lateral incisor
C. mandibular lateral incisor
D. mandibular celntral incisor
B. Mandibular lateral incisors
Which characteristic below is common to all mandibular anterior
teeth?
A. distinct cingula with grooves and pits
B. incisal edges that are facial to the root axis line
C. facial surfaces that are marked by pronounced labial ridges
D. continuous convexity incisoapically on the facial surface
D. continuous convexity incisoapically on the facial surface
The mesial and distal aspects of the anterior teeth - central incisors,
lateral incisors, and canines, maxillary and mandibular - may be included within triangles.
The base of the triangle is represented by the cervical portion of the
crown and the apex by the incisal ridge.
A. both statements are true
B. both statements are false
C. the first statement is true, the second is false
D. the first statement is false, the second is true
A. both statement are true
A clinical examination of your patient two lower incisors centered on the midline. The patient gives a history of a car accident. When he was young where he lost two of his lower front teeth. He
says that his dentist used braces to fill in the gaps. Which of the following criteria would be most reliable to decide if the remainingteeth were lateral or central incisors?
A. difference in root length
B. difference in ratio of crown length to root length
C. degree of slope of the incisal edge when viewed facially
D. difference in rotation of the crown on the root
D. Difference in rotation of the crown on the tooth of the root
Which of the following statements best describes the pulp canal of
the mandibular lateral incisor?
D. An elliptical shaped , wider in the faciolingual in the pila chamber,but wider mesiodistal direction in the mid root area.
Which of the following line angles is least “square”?
A.mesioincisal of the mandibular lateral incisor
B. distoincisal of the mandibular lateral incisor
C. mesioincisal of the mandibular central incisor
D. distoincisal of the mandibular central incisor
B. Distoincisal of the mandibular lateral incisor
Which tooth has a pulp chamber that is least like the others?
A.maxillary central incisor
B. mandibular central incisor
C. maxillary lateral incisor
D. mandibular lateral incisor
A. Maxillary central incisor
When looking at the facial or lingual aspect of all anterior teeth, they
have a:
A. trapezoidal outline
B. triangular outline
C. rhomboidal outline
D. square outline
A. Trapezoidal
In maximum intercuspation, which anterior tooth is unique in that it
contacts with both anterior and posterior segments of the opposite
arch?
A • maxillary first premolar
B • maxillary canine
C• mandibular first premolar
D• mandibular canine
B. Maxillary canine
A hockey player comes into your office with his six upper anterior
teeth in his hand. How can you distinguish the right canine from the
left canine?
A • the root always curves to the distal in the apical one-third
B • the distal surface is fuller and more convex than the mesial surface
C •labially, the cusp tip is placed distal to a line which bisects the crown and
root
D. • lingually, the cervical line slopes mesially
B. The Distal surface is fuller and more convex than the mesial surface
Which of the following terms is specific to canines?
A. labial ridge
B. lingual fossa
C. mamelons
D. cingulum
A. Labial ridge
A mother brings her three kids to your office for their annual check-
ups. Which of the following statements is most likely to be true?
A• the middle child is 11 and has no adult canine teeth
B• the youngest child is 10 and has adult mandibular canines only
C• the oldest child is 12 and has maxillary canines only
D• the youngest child is 10 and has adult maxillary canines only
C• the oldest child is 12 and has mandibular canines only
B. The youngest child is 10 and has adult mandibular canine only
A hockey player comes into your office holding his friend’s right
canines (maxillary and mandibular) in his hand. His friend, a lacrosse
player, got hit by a ball flying under his mask. Which of the following
would you look for in the maxillary canine as compared to the
mandibular canine? Select all that apply.
A• it is narrower mesiodistally
B• it has a more pronounced cingulum
C• it is wider mesiodistally
D• it has a shorter root
B-it has a more pronounced cingulum
C-it is wider mesiodistally
Which cusp ridge is the longest on the permanent canines?
A• labial
B• lingual
C• mesial
D• distal
D. Distal
A 7-year-old boy visits your dental office with his mom for a routine
check-up. Which succedaneous teeth are expected to be present in
the child’s mouth?
A• permanent mandibular first molars
B• permanent mandibular central incisors
C• permanent mandibular canines
D• permanent mandibular premolars
B. Permanent mandibular central incisors
A mother brings her 1-year-old into your office the day after his first
birthday. She says the pediatrician said to have the first dental check-
up by this time. What primary teeth are you expecting to see when
the child opens?
A• mandibular incisors only
B•maxillary incisors only
C• mandibular and maxillary incisors
D• all incisors and maxillary canines
E• all incisors and mandibular canines
F• all anterior teeth
C. Mandibular and maxillary incisors
Tommy, a pediatric patient of your , says he’s lost his top vampire tooth last week and the tooth fairy gave him a dollar for it. What is Tommy’s most likely age range when he lost his maxillary canine
tooth?
A• 6-7 years old
B• 7-8 years old
C• 10-12 years old
D•14-16 years old
C. 10-12 years old
Which of the following are the cardinal rules regarding the eruption of
teeth?
Select all that apply.
A• boys’ teeth usually erupt before girls’ teeth of the same age
B• girls’ teeth usually erupt before boys’ teeth of the same age
C• maxillary teeth usually erupt before mandibular teeth
D• mandibular teeth usually erupt before maxillary teeth
E• the teeth of slender children usually erupt before the teeth of stocky
children
F• the teeth of stocky children usually erupt before the teeth of slender
children
B. Gurls teeth usually erupt before boys teeth of the same age
The deciduous dental formula of man is:
A. 10x2-20
B• 10x2-20
C• 12x2-24
D• 16x2-32
E. None of the above
B.
The permanent dental formula of man is:
C.
A child in the ugly duckling stage of dental development belongs to
which of the following age groups?
A• 1 to 6 years
B• 6 to 12 years
C• 12 to 18 years
D• 18 years and above
B. 6 to 12 years
A 15-month-old child walks into your office and begins to cry and
hold his mouth in pain. Which teeth have probably not been
traumatized, as they are not usually present at 15 months of age?
A• primary lateral incisors and canines
B• primary canines and first molars
C• primary canines and second molars
D• primary central and lateral incisors
E• primary first and second molars
C. Primary canines and second molars
A pediatric patient of yours complains of severe pain on chewing. On
clinical exam, you see an eruption cyst in the place of the mandibular
second molar. What is the most likely age of this patient?
A• 8
B• 10
C• 12
D• 14
C. 13
At 9 years of age how many primary teeth are present in the mouth?
A• 0
C• 4
D• 8
E• 12
F• 18
E. 12
A 1-year-old child is expected to have erupted which of the following
primary maxillary and mandibular teeth? Select all that apply.
A• central incisors
B• lateral incisors
C• canines
E• first molars
F• second molars
A. Central Incisor
B. Lateral incisors
The teeth that are present at the time of birth are known as
A• primary teeth
B• natal teeth
C• neonatal teeth
D• prenatal teeth
B. Natal teeth
A patient comes in with a chief complaint of, “My wife says I wake
her up at night with scraping noises from my mouth.” On clinical
exam you will expect to find which of the following characteristics of
his occlusal contacts?
A• point-to-point
B• point-to-area
C• edge-to-edge
D• edge-to-area
E• area-to-area
E. Area-to-area
All posterior teeth have proximal contacts in the:
A• middle third
B• junction of the occlusal and middle third
C• occlusal third
D• cervical third
A. Middle third
heights of contour/contacts
Which teeth crowns have the facial height of contour located in or
near the cervical third?
A• anterior teeth (incisors and canines)
B• posterior teeth (premolars and molars)
C• only molars
D• all of the above
D. All of the above
Which of the following is true regarding proximal contact of teeth with their adjacent teeth in an arch?
A.helps prevent food from being trapped between the teeth
B• stabilizes the dental arch by holding teeth in positive contact with each
other
C• protects the interproximal gingival tissue from trauma during chewing
D• all of the above
D. All the above
Cervical line (or CEJ) contours are closely related to the attachment
of the gingiva at the neck of the tooth. When doing a crown prep, your
margin will slope with the contours of the cervical lines and gingival
attachments. On which surfaces will your greatest contour be found?
A• distal surfaces of anterior teeth
B• distal surfaces of posterior teeth
C• mesial surfaces of anterior teeth
D• mesial surfaces of posterior teeth
C. Mesial surface of anterior teeth
You are fabricating an interim bridge from 19 to 21. The contact areas
on the pontic when viewed from the occlusal view, should be
of the tooth midline buccolingually.
A• directly in line
B• slightly to the lingual
C• slightly to the facial
C. Slightly to the facial
The mesial contact area of a permanent maxillary lateral incisor is
usually located:
A• in the incisal third
B• in the middle third
C• at the junction of the incisal and middle thirds
C. At the junction of the incisal and middle thirds
From a facial view, mesial and distal contact areas of mandibular
central incisors are located:
A• in the middle third
B• at the junction of incisal and middle thirds
C• at the junction of cervical and middle thirds
D• cervical to the junction of incisal and middle thirds
E• incisal to the junction of incisal and middle thirds
E. Incisal to the junction of incisal and middle thirds
The contact area on the mesial surface of a mandibular canine is
located at the:
A• middle third
B• incisal third
C• cervical third
D• junction of the middle and cervical thirds
B. Incisal third
The lingual height of contour on a permanent mandibular second
molar is located:
A• in the middle third
B• in the cervical third
C• in the occlusal third
at the junction of the cervical and middle thirds
D• at the junction of the middle and occlusal thirds
A. In the middle third
Which of the following teeth has its mesial contact located within the
incisal or the occlusal one third?
A• maxillary canine
B• maxillary first molar
C• mandibular second premolar
D• mandibular central incisor
D. Mandibular central incisor
What is the location of facial height of contour of the anterior and
posterior teeth?
A• occlusal third
B•lingual third
C• middle third
D• cervical third
D. Cervical third
Concrescence is a type of fusion of the adjacent teeth through the
deposition of alveolar bone.
Hypercementosis involves excessive deposition of cementum around
the root which becomes continuous with the normal cementum of the
root.
A• both statements are true
B• both statements are false
C•the first statement is true, the second is false
D. the first statement is false, the second is true
D. The first statement is false , the second is true
All of the following are variations from normal anatomy in the oral
cavity EXCEPT one. Which one is the EXCEPTION?
A• mandibular tori
B• exostoses
C• plica fimbriata
D• linea alba
C.Plica fimbriata
Which of the following is the loss of tooth structure from non-
mechanical means?
A• attrition
B• abrasion
C• ankylosis
D• erosion
D. Erosion
Agents (chemicals) that are capable of causing developmental
abnormalities in utero are called teratogens. For each numbered
teratogen listed below, select the most closely linked effect from the
list provided,
1. Aspirin, valium, dilantin,
and cigarette smoke (hypoxia)
2. Cytomegalovirus, toxoplasma
3. Ethyl alcohol
4. Rubella virus
5. X-radiation
6. Vitamin D excess
A. Microcephaly
B. Central mid-face discrepancy
C. Premature suture closure
D. Cleft lip and palate
E. Microcephaly, hydrocephaly,
microphthalmia
F. Microphthalmia,
cataracts, deafness
1.D,
2.E
3.B
4.F
5.A
6 C
As you know, there are several kinds of teeth in the human mouth.
They all serve different functions. You are in an argument with your
friend, a law student, and you test his vocabulary. You call him a
, which simply means he has teeth with different
morphologies and functions.
A•polyphyodont
B• monophyodont
C • heterodont
D• diphyodont
C. Heterodoxy
/a terareacialot b an a oars to Mar saental ottino wit., missinianaxillario
have which of the following condition?
A• anodontia
B• oligodontia
C• hypodontia
D• hyperdontia
C. Hypodontia
A child has maxillary incisor protrusion, an anterior open bite,
crowded lower anteriors, and a high palatal vault. Which of the
following most likely caused this problem?
A• mouth breathing
B• thumb sucking
C• tongue thrusting
D• using a pacifier
E• nocturnal bruxism
B. Thumb sucking(or any other sucking habit)
A patient of yours has enamel hypocalcification. You would expect
quantity of enamel and would describe it As
A• less than normal; hard
B• less than normal; soft
C• normal; soft
D• normal; hard
E• more than normal; hard
F• more than normal; soft
C. Normal:soft
Which of the following teeth have the most variability in form?
A• mandibular first premolars
B• maxillary first molars
C• mandibular second molars
D• maxillary lateral incisors
E• maxillary second premolars
D. maxillary lateral incisors
A mental foramen would be found on x-ray closest to the root of
which tooth?
A• 19
B• 14
C• 29
E• 22
F•4
C. 29
Match the dimensions of an anterior tooth on the left with their respective
descriptions on the right.
1. Length of crown
A. From the crest of curvature on the
2. Length of root
mesial surface to the crest of curvature on
the distal surface
3. Mesiodistal diameter of crown
4. Mesiodistal diameter of crown at the cervix
5.Labiolingual diameter of crown
- Labiolingual diameter of crown at the cervix
A. From the crest of curvature on the mesial surface to the crest of curvature on
the distal
B. From the junction of the crown and root on the labial surface to the junction of
the crown and root on the lingual surface
C. From the junction of the crown and root on the mesial surface to the junction
cervix
of the crown and root on the distal
surface
D. From the crest of curvature on the
labial surface to the crest of curvature on
the lingual surface
E. From the crest of curvature at the
cementoenamel junction to the incisal
edge
F. From the apex to the crest of curvature
at the crown cervix
1.E
2.F
3.A
4.C
5.D
6.B
In the natural dentition, centric occlusion is, in a majority of people,
to centric relation contact and on the average approximately
mm.
A• posterior; 2
B• anterior; 1
C• medial; 2
D•lateral; 1
B. Anterior 1
During sleep, the mandible is in its physiologic rest or postural
position. The contact of teeth is:
A• maximum
B• not present
C• premature
E •slight
B. Not present
Which of the following masticatory muscles is the principal positioner
of the mandible during elevation?
A• the temporalis muscle
B• the digastric muscle
C• the geniohyoid muscle
E• the lateral pterygoid muscle
A. The Temporalis muscle
A dental patient is complaining of unilateral jaw pain when chewing.
You notice that she only chews on her right side. When a mandibular
povemant,*at’himiahahig,performed, which condyle moves forward,
A• working condyle (right)
B• non-working condyle (left)
B. Non-working condyle(left)
Which of the following modalities can be used to treat symptoms of
malocclusion by changing the shape of the teeth? Select all that
apply.
A• occlusal equilibration
B• full-mouth rehabilitation
C• orthodontic treatment
E• all of the above
A. Occlusal equilibration
B. Full- mouth rehabilitation
During a right working side movement, the right side molar teeth may
contact along the buccal inclines of the maxillary buccal cusps and
the lingual inclines of the mandibular buccal cusps.
Mandibular protrusion will result in the mesiolingual cusp of the
maxillary first molar passing through the central groove toward the
distal marginal ridge of the mandibular molar.
A• both statements are true
B• both statements are false
C•the first statement is true, the second is false
D• the first statement is false, the second is true
D. The first statement is false , the second is true
Retrusive movement requires the condyles to move backward and
upward.
In protrusive movement, the condyles of the mandible have moved in
a downward and forward direction.
A• both statements are true
B• both statements are false
C• the first statement is true, the second is false
D• the first statement is false, the second is true
A. Both statement are true
In regards to the picture below, the arrows indicate the path of
movement of mandibular teeth over the maxillary teeth on
the
side.
59
A• right lateral; working
B• left lateral; working
C• right lateral; non-working
D• left lateral; non-working
D. Left lateral: non-working
Anterior guidance is a result of:
A• horizontal and vertical overlap
B• vertical and posterior cusp height
C• horizontal overlap and posterior cusp height
D• intercondylar distance and free way space
E• intercondylar distance and postural vertical dimension
A. Horizontal and vertical overlap
