COMPILATION QUIZZES OF ORAL ANATOMY 1ST SEM FINALS 2022
 MAXILLARY MOLARS
Prominent oblique ridge
Mesial outline of crown is straight, while the
distal outline is convex from the buccal aspect
Age of eruption is between 17-21 years
Occlusal outline is more oblong because of the reduced
mesiodistal dimensions
Less prominent buccal cervical ridge
Largest tooth in the maxilla
Root completed at age 14-16 years
Lingual root is banana-shaped in mesial aspect
Eruption at age 6 years old
Crown wider buccolingually than
mesiodistally
Root completed at age 18-25 years
Mesiobuccal root is wide buccolingually and
flat in mesial aspect
The crown is roughly trapezoidal
Enamel completed at age 12-16 years
Distopalatal cusp is larger than distobuccal cusp
Heart-shaped type of second molar
Fused tapering roots
Occlusal parallelogram is more twisted
Apex of the mesiobuccal root is on a line with the buccal
groove of the crown
Both distal cusps are comparatively smaller
Occlusal outline is roughly Rhomboidal
Fused roots functioning as on a large root slanting
distally in buccal aspect
Less prominent oblique edge
Mesiobuccal cusp is broader, as its mesial slope meets
its distal slope at an obtuse angle
Eruption age is between 12-13 years
No lingual groove is evident
Buccal groove longer and ending in a buccal pit
Root completed 9-10 years
Only one large lingual cusp is present
Has shorter crown and root than second molar
Supplements the second molar in function
More prominent buccal cervical ridge
It has a large crown with four well developed cups and
occasionally a small fifth cusp
mesiolingual cusp is largest of all the cusps
Occlusal table is wider and more squar-ish
Mesiobuccal, mesiolingual and supplemental cusps are
visible from the mesial aspect
The fifth or supplemental cusp is absent
Cusp of Carabelli may be present
Roots are widely spread and are within the confines of
Maxillary First Molar
Maxillary First Molar
Third Molar
Maxillary Second Molar
Maxillary Second Molar
First Molar
Maxillary Second Molar
Maxillary First Molar
Maxillary First Molar
Maxillary First Molar
Third Molar
Maxillary First Molar
Maxillary First Molar
Maxillary Second Molar
Maxillary First Molar
Maxillary Third Molar
Maxillary Third Molar
Maxillary Second Molar
Maxillary Second Molar
Maxillary Second Molar
Maxillary First Molar
Maxillary Third Molar
Maxillary Second Molar
Maxillary First Molar
Maxillary Second Molar
Maxillary Third Molar
Maxillary First Molar
Maxillary First Molar
Maxillary Third Molar
Maxillary Third Molar
Maxillary Third Molar
Maxillary First Molar
Maxillary First molar
Maxillary First Molar
Maxillary First Molar
Maxillary First Molar
Maxillary Second Molar
Maxillary First Molar
If not widely and question
the buccolingual crown outline
Buccal groove shorter and within a buccal pit
 MANDIBULAR MOLARS
Match : Choices 1 - Maxillary Molars
2 - Mandibular Molars
Crown wider faciolingually than mesiodistally
Large and small lingual cusp
Oblique ridge is prominent
Crown wider mesiodistally than
buccolingually
2 roots - mesial and distal
The crowns of mandibular molars are about 1 mm wider
mesiodistally than buccolingually just like the maxillary
molars.
Eruption of the mandibular 2nd molar into the oral
cavity
Arrange the cusp of the mandibular first molar
according to size from largest to the smallest
The smallest cusp for mandibular first molar?
Is a Mandibular third molar is congenitally missing on
one side of the jaw, then most probably, it is also absent
on the other side.
First evidence of calcification for mandibular
3rd molars
The crown is tilted distally for the mandibular molars
From the distal aspect of the mandibular 1st molar, can
we see more of the tooth and some part of each of the
five cusps. This is so because of:
The root bifurcation is how many mm below the cervical
line in the lingual aspect of the mandibular 2nd molar?
Crown is wider mesiodistally than
buccolingually for the mandibular molars
The cervical third of the mandibular molar roots tends
to curve distally
Match: Choices:
1 Mandibular 1st Molar
2- Mandibular 2nd Molar
3 - Mandibular 3rd Molar
A cross shaped groove pattern on occlusal aspect
Root bifurcation is 4mm below the cervical line and is in
line with the lingual developmental groove
Usually impacted due to lack of space
accommodation during eruption period
Has 5 cusp
Shape is roughly rectangular.
The buccal cusps are longer than the lingual cusps for
mandibular molars
Maxillary Second Molar
Maxillary Second Molar
Maxillary Molars
Maxillary Molars
Maxillary First Molar
Mandibular Molar
Mandibular Molar
True
11-13 yrs old
- MESIOLINGUAL CUSP
- MESIOBUCCAL CUSP
- DISTOLINGUAL CUSP
- DISTOBUCCAL CUSP
- DISTAL CUSP
Distal Cusp
True
12-15 yrs old
True
All of the Above
3mm
True
False
Mandibular Second Molar
Mandibular First Molar
Mandibular Third Molar
Mandibular First Molar
Mandibular Second Molar
False
The root bifurcation is how many mm below the cervical
line in the lingual aspect of the Mandibular 1st molar?
What are the developmental grooves seen on the
buccal aspect of a mandibular first molar
There are 3 developmental grooves for mandibular
second molar
 DENTAL PULP AND PULP CAVITIES
The following are the root canals of the Maxilllary first
molars
This tooth is said to have a less secondary dentin
formed than the other molars
In cervical cross section, a maxillary first molar will have
a
The radiographic appearance OF THE DENTAL PULP
True about Maxillary third molars except
Pulpal tissues that occupies the prolongations in the
roof of the pulp chamber are called the
In its buccolingual section, this tooth looks like a small
mandibular canine with a n extra small cusp.
Knowledge in the dental pulp is of great importance to
any fields in dentistry especially in endodontics.
The transition from the pulp chamber to the root canal
is not sharply demarcated. Nevertheless, the
demarcation could be visualized by exploring the
Multiple tiny accessory canals are called collectively as:
This tooth has the most variable anatomy of any of the
maxillary tooth
The dental pulp occupies the internal pulp cavity of the
tooth that is surrounded by
The following factors will affect the size and form of the
pulp cavity except
True about Mesiobuccal Root Canal of the Maxillary
First Molar except
The Root canals of the mandibular first molars are the
following:
This is where the neurovascular bundle supplying the
pulp enters through.
Arrange in order according to the size of the root canals
from smallest to the biggest root canal.
The dental pulp has the following functions except.
The term that indicate the dental pulp tissue in the root
area rather than the space
except
In cervical cross section, a mandibular first molar will
have a
In general, the outline of the pulp tissue corresponds to
4mm
MesioBuccal Developmental Groove
DistoBuccal Developmental Groove
False
- Mesiobuccal Canal
- Distobuccal canal
- Palatal Canal
Maxillary Third molar
Rhomboid outline with rounded corners
radioluscent
None of the above
Pulp Horns
Mandibular First Premolar
True
Cementoenamel juction
DELTA SYSTEM
Maxillary Third molar
Dentin
None of the above
with the absence of MB2, the mesiobuccal canal
is the smallest of the 3 canals.
- Mesiobuccal canal
- Mesiolingual canal
- Distal Canal
APICAL FORAMEN
- mesiobuccal 2 canal
- distobuccal canal
- mesiobuccal canal canal
- palatal canal
Formative / formulative
Root canal
Quadrilateral in form
- the outline form of the pulp chamber follows
the except
the shape of the roots
- the outline form of the pulp canal follows the
shape of the crown
- Mandibular Cental Incisor
- Maxillary Second Premolar
These teeth are monorooted but two separate canals
may be present, or a dentinal island may make it appear
as though two canals are present.
That part of the dental pulp tissue that is located in the
coronal pulp
coronal portion of the teeth encapsulated by the pulp
chamber
A mandibular molar of a 15 year old patient will have
much smaller pulp
the following compared to a mandibular molar of a 55
year old patient except
The smallest tooth but very large Labiolingual dimension Madibular Cental
of the pulp
 TMJ & OCCLUSION - DENTO OSSEOUS
VERTICAL DIMENSION OF THIS CYCLE IS 3-5 MM FOR
LATERAL MOVEMENTS
SENSORY - MOTOR SYSTEMS NEEDED FOR INITIATION,
PROGRAMMING AND EXECUTION OF THE MOTOR
FUNCTIONS
ACTIVE DURING FORCEFUL JAW CLOSURE AND ASSISTS
IN PROTRUSION
RHYTHMIC AND REPETITIVE CHEWING BEHAVIOR
DISTURBED BY DYSFUNCTIONAL STATES OF THE
OCCLUSION AND/OR TMJ
RAPID DEVELOPMENT OF THE JAW IS SUFFICIENT TO
CREATE AN INTERDENTAL SPACE
CURVE OF WILSON
ORIGINATES FROM THE ZYGOMATIC ARCH
BEGINS WITH THE "SETTING THE SYSTEM" BY SIGHT,
TACTILE AND SMELL OF FOOD
 Other Compilation Quizzes
The following are true about the cervical cross section
of a maxillary canine:
The MB root of the maxillary second molar is not as
complex as the maxillary first molar. The presence of
two canals in MB root is not as common in the maxillary
second molar.
These teeth have the most variable anatomy of any
maxillary teeth and because they erupt a decade late,
they have less secondary dentin
In general, the outline of the pulp tissue corresponds to
the external outline form of the tooth, thus the outline
form of the pulp chamber and the pulp canal
corresponds with the shape of the crown and the roots
of the tooth, respectively
A mesiodistal section of a mandibular canine may show
the degree of curvature of the apical portion of the root
which may be in the mesial or distal direction
Chewing
Oral Motor Behavior
Masseter
Mastication
Diestema
Masseter
Mastication
All of the above
True
None of the above
True
False
A maxillary second molar has roots straighter and with a
greater tendency for root fusion of the palatal,
mesiobuccal, and distobuccal roots than the maxillary
first molar
The pulp in a radiographic image appears to be
A cervical cross section of this tooth would show a
kidney-shaped outline form. The presence of the
mesial developmental groove is giving this tooth its
classic indentation
The soft connective tissue component of the tooth
containing a neurovascular system that occupies the
internal cavity of the tooth
The following is/are true about the maxillary second
premolar except:
A mandibular second premolar may demonstrate the
following except:
That function of the pulp accomplished by presence of a
neurovascular system that includes nerve fibers which
serves as mediator for pain
The formation of reparative dentin or secondary
dentition represents an offensive response to any form
of irritation, whether it is mechanical, thermal,
chemical, or bacterial
The formation of reparative dentin or secondary
dentition represents an offensive response to any form
of irritation, whether it is mechanical, thermal,
chemical, or bacterial
In a radiograph, the tooth including the pulp is
visualized and compressed into
The following are not true about the demarcation
between the pulp chamber and the root canal except:
A mandibular canine when sectioned mesiodistally will
show the degree of curvature of the apical portion of
the root in what direction?
The mandibular second molar demonstrates the
following in its cervical cross-section except:
The root canal is that part of the internal cavities on the
root part of the tooth that contains the:
The mandibular first molar in the cervical cross-section
may show the following except
Is the initial function of the pulp during the
developmental period of the tooth where it forms the
dentin
The older the tooth the smaller its pulp cavity will
become due to the continuous formation of secondary
dentin even after the pulp loses its vitality and the
formation of reparative dentin in response to stimuli
A maxillary anterior in its mesiodistal section would
demonstrate a significant curve towards the distal in the
True
Radiolucent
Maxillary first premolar
Dental pulp
None of the above
Very similar to the mandibular first premolar
except that the mandibular second premolar’s
overall dimension is slightly smaller
Sensory
False
Maxillary first premolar
Two dimensional radiographic image
Visualized by exploring the CEJ
Mesial direction
The pulp chamber also tends to be round
[supposed to be
triangular]
Radicular pulp
None of the above
Formative
False
Maxillary lateral incisor
apical or the root of this tooth
The following contributes to the fact that the older the
tooth, the smaller its pulp cavity except:
A mesiodistal section of a mandibular second premolar
will usually show one root and canal that may be
curved, but usually in the distal direction
A mesiodistal aspect of longitudinal
sections of a tooth usually are seen only incidentally like
in radiographs of malposed, rotated teeth
A multiple tiny lateral or accessory
canal collectively is also known as
the
A buccolingual section of this tooth may show a buccal
and lingual
pulpal projection or fins present on
the level of the CEJ
The third molars, both the maxillary and mandibular,
show the greatest anatomical variations among the
teeth in the oral cavity
That part of the internal cavity of the tooth on the
coronal part that contains the coronal pulp
This tooth has a much longer root, in its mesiodistal
section this tooth shows a mesial or distal curve on the
apical root
The maxillary first molar usually has three roots and
three canals with the palatal root as being the one with
the following except
The neurovascular bundle supplying the pulp can enter
and exit through the
Projections or prolongations in the
roof of the pulp chamber
corresponds to
The smallest tooth but with a very large labiolingual
dimension of the pulp cavity
The following is/are true about the mandibular lateral
incisors except:
Another difference between the mandibular first and
second premolar is that the pulp horns in the
mandibular 2nd PM is more prominent and the lingual
pulp horn is present more often but the lingual pulp
horn may still be vestigia
In its mesiodistal section, the maxillary second molar is
similar to the mesiodistal section of maxillary first
molar.
The internal cavity of the tooth is divided into
Among the mandibular tooth, this tooth shows a great
deal of variation
Match the correct geometric figures to the crown
outlines of the specific tooth surface.
Mesial Surface of Maxillary Central Incisors
Secondary dentin formation
Reparative dentin formation
True
True
Delta system
Maxillary second premolar
True
Pulp chamber
Maxillary canine
The largest tendency to
have an accessory canal
[supposed to be mesiobuccal]
Apical foramen
Various cusps
Various lobes
Mandibular central incisor
Resembles the mandibular centrals but appears
narrower and smaller
True
Both their distobuccal root have greater
tendency to be curve than the mesiobuccal root
Pulp chamber and root canal
Mandibular third molar
Mesial Surface of Mandibular 2nd
Premolar
Mesial Surface of Maxillary 1st Molar
Buccal Surface of Maxillary 1st Molar
Mesial surface of Maxillary Canine
It is a term used to Describe deviations in intramaxillary
and/or intermaxillary of the teeth and/or jaws.
The root form is not related to the over-all form of the
tooth and thework it must do
Each tooth in each dental arch has two antagonists in
the opposing arch EXCEPT:
Termination of anterior labial lobes INCISALLY
Progressive Incisal Constriction of the incisor facilitates
penetration and incising of food without excessive
trauma to the marginal gingiva
A Cleft type partial absence of bone over the root area
of a tooth
A window type partial absence of bone over the root
area of a tooth
Represent the Primary center of Development
One of the significances of triangular crown outline
when viewed labially/buccally is it provides contact
between the teeth of proximal areas
For triangular crown outline, Greater labiolingual
measurement cervically at the base of the triangle than
its apex is an important feature because?
Due to lingual inclination of the long axis of the crown
to axis of the root of mandibular posterior teeth, the
acute angle of the rhomboid form is pointed out to the
occlusolingual and buccocervical line angles.
It is unstable and represents the gingival level on the
tooth at any period of an Individual’s life.
A curvature which begins at the tip of canine and
follows buccal tips of premolars and molars posteriorly
All are true about Interproximal
spaces except
This curvature is formed by two adjacent teeth in an
arch and serves as spillways for food.
All Protective curvatures are most functional when the
teeth are in proper alignment
All of the ff. choices are TRUE about over contoured
restorations EXCEPT
Anterior teeth have contacts that are generally buccal to
the center of the teeth when viewed from the incisal
The Form of teeth is consistent with the function they
are to perform
All of the posterior teeth have a buccal surface that is
wider than its lingual surface. Name the ONLY tooth
that is wider lingually than buccally.
Trapezoid
Rhomboid
Triangle
Triangle
Trapezoid
Malocclusion
False
Maxillary third molar
Mandibular central incisor
Mamelons
True
Dehiscence
Fenestration
Lobe
False
All of the choices are correct
False
Gingival line
Curve of Spee
It is formed by the proximal
surfaces in contact
Embrasure
true
It will NOT cause plaque retention
False
True
Maxillary first molar
All teeth have contact relationship to its mesial and
distal adjacent teeth except for the last molars.
This type of PDL radiates from cementum around apex
of the root to the bone
It involves deeper periodontal structures with loss of
bone and attachment
The maxillary Central incisor exhibits a curvature of
approximately _______ labially and somewhat less
lingually at the cervical third of the crown.
The Incisal/buccal embrasure that has the widest angle
can be seen in between what teeth?
Match the different parts of the
Periodontium to its proper
Description
True
Is a Hard, avascular connective tissue that covers the
roots of the teeth
Cementum
Is the soft specialized connective tissue
Attachment
Periodontal Ligament
Covers the alveolar process of the jaw and surrounds
the neck of the teeth
Gingiva
It contains the sockets (alveoli) for the teeth
Alveolar Bone
The lingual curvature/contours of all posterior teeth are
found?
All teeth contact its adjacent teeth in proximal contact
area EXCEPT:
The form of teeth is consistent with its position and
arrangement in the structures involved on the oral
motor behavior
This type of PDL extends obliquely from the cementum
to alveolar crest
This type of PDL attach to the cementum apical to the
alveolar crest fibers and run perpendicularly from the
root of the tooth to the alveolar bone
It seals of the soft tissue to the tooth and is capable of
adjustment to local physiological changes but is still
vulnerable to physical injury.
It means inflammation of Gingiva
The following sentences are true about contact areas
EXCEPT
Cervical Third
Incisal/occlusal embrasure decreases from anterior to
posterior
This type of PDL extends interproximally over the
alveolar bone crest and are embedded in the cementum
of adjacent teeth
Apical Fibers
Periodontitis
0.5mm
Maxillary Canine and Premolar
All of the above
True
Dentoalveolar crest fibers
Horizontal Fibers
Epithelial Attachment
Gingivitis
Contact areas can be observed from 2 views,
Labial/buccal aspect and mesial and distal
aspect
False
Transseptal fibers