Kaim Flashcards
The primary tooth that has the most distinctly prominent facial cervical ridge is
Mandibular 1st molar
The lingual cusp of the _______ is off set to the mesial the first more than the second
maxillary premolars
The primary _________ generally exhibits cusp of Carabelli
second molar
Mamelons that remain beyond the age of 10 generally indicate
an open bite
______ and _____ generally occlude with only one opposing tooth
Mandibular central incisors and Maxillary third molars
The developmental groove between the df cusp and the dl cusp of the mandibular 1st molar is
distofacial (Looking it up it looks like the distofacial is between the DF and D groove)
The roots of the maxillary second molar tend to be
less divergent and have greater distal inclinations
The teeth whose function is primarily biting are
incisors and canines
The tooth with the longest root is the
maxillary canine
The groove pattern for the mandibular first molar is considered a
Y or Dryopethicus pattern
The groove pattern for the mandibular second molar is consider a
cross (+) pattern
When compared to a maxillary canine the mandibular canine has contact areas located more
incisally
The mandibular 1st PREmolar the mesial marginal ridge located more
cervical than the distal
________ forms the distal boundary of the central fossa
The oblique ridge of maxillary molar
__________ results from the union of the facial and lingual triangular ridges
A transverse ridge
For multirooted teeth dentin continues to form MOST rapidly at the
floor and roof of the pulp chamber
________ are the only anterior teeth that are wider mesio-distally than facio-lingually
Maxillary incisors
________ are the only maxillary teeth that are wider mesio-distally than facio-lingually
Maxillary incisors
________ are the only posterior teeth that are wider mesio-distally than facio-lingually
Mandibular Molars
________ are the only mandibular teeth that are wider mesio-distally than facio-lingually
Mandibular Molars
________ usually has two roots and three canals
Mandibular 1st molar
________ usually have two mesial canals
Mandibular 1st molars
________ is the primary tooth that generally has an oblique ridge
The primary maxillary 2nd molar
________ of the Maxillary molars occludes in the central fossa of the mandibular molars
The mesiolingual cusp
________ of the mandibular molars occludes in the central fossa of the maxillary molars
The distobuccal cusp
________ exhibits more cusps than the primary first molar
The primary second molar
The occlusal outline of a mandibular first molar is a
pentagon
The lingual concavity of the maxillary anterior teeth
is most influenced by the side shift of the mandible
The side shift of the mandible is also known as the
Bennett movement
The contact between a max central and lateral incisor
makes the lingual embrasure larger than the facial
The non-molar tooth that most frequently has a mesial and distal pulp horn is the
max central incisor
The cervical ridge is most prominent for primary maxillary teeth on the MF surface of the
1st molar
The non-working condyle moves
downward forward and medial
The non-molar tooth that most frequently exhibits three roots is the
maxillary 1st premolar
The dentin that is most highly mineralized is
intra or peritubular dentin
The primary spacing for the anterior teeth is most frequently caused by the
growth of the dental arches
______ is the only tooth that has potential of contacting both anterior and posterior teeth
The MAX canine
The mesiofacial and distolingual angles from the occlusal outline tend to be
acute angles
This mesiolingual and distofacial angles from the occlusal outline tend to be
obtuse angles
The obtuse corners coincide with the direction of the
oblique ridge
The occlusal outline from an occlusal view for the maxillary first molar is
rhomboidal
The number of permanent dentition that normally have cingulums
total of 12 teeth
All ______ generally have cingulums
All anterior teeth (12)
______ is the anterior tooth that most frequently exhibits a bifurcated root
The mandibular canine
The bifurcation for the mandibular canine roots when present creates a
facial and lingual root
The cross section of the mandibular canine at the CEJ is
OVOID but wider mediodistally at the labial
The non-molar that is least likely to have a bifurcated root is the
maxillary central incisor
The size and position of the cusps are more identical for the
2nd maxillary premolar than the first
______ has the most pronounced developmental marginal groove of any max tooth
The maxillary 1st premolar
The Y type mandibular pre molar has
one facial and two lingual cusps
_____ is the most bilaterally symmetrical tooth
The primary and permanent mandibular central incisor
______ generally have the most prominent marginal ridges of all anterior teeth
The maxillary lateral incisors
______ have the most distinct and deepest lingual fossa’s of all anterior teeth
Maxillary lateral incisors
______ is the Posterior tooth that has the greatest cervico-occlusal crown height
The maxillary 1st premolar
The oblique ridge connects the
mesiolingual and distofacial cusps
The occlusal outline for the mandibular 1st premolar occlusal view is
diamond shaped
The last primary teeth to erupt is the
Maxillary second molars
The softest dental tissue is
cementum
The hardest dental tissue is
enamel
All premolars are wider
faciolingually than mesiodistally
______ has two cusps that are of equal height
The maxillary 2nd premolar has
The upper compartment of the tmj is that space between the
disc and the articular fossa and eminence
When a 4th pulp canal is present in a maxillary first molar it is located in the
mesiofacial canal
The crown form of canines from a facial view is
pentagonal
Mandibular central incisors have proximal contacts at approximately the same levels on
mesial & distal
_____ has a mesial concavity that makes it difficult to adapt a matrix band
The maxillary 1st premolar
When viewed from the occlusal the arrangement of the teeth are
parabolic
Viewed from the occlusal the 4 posterior teeth in the mandibular arch are aligned in a
straight line
Primary 2nd molar is the only primary posterior tooth to have
oblique & transverse ridges &DL groove
The thickest section of the articular disc when seen in the sagittal plane is the
posterior border
Except for third molars the maxillary lateral incisor
exhibits the most deviation in crown morphology
______ of the periodontal ligament provide the major support for a tooth during function
The Oblique fibers
The largest root of the maxillary molar is the
palatal
The smallest root of the maxillary molar is the
distofacial
The pulp chamber of a mature tooth contains
blood vessels and nerves
The mandibular primary primate space is located between
canine and first molar
The occlusal table of a posterior tooth makes up 55-65% of the total
facio-lingual dimension
In a healthy mouth the alveolar process is thinnest around the facial of the
mandibular central incisors
The crown of the mandibular second molar inclines to the
mesial and lingual
The epithelial attachment is always an actual part of a tooth’s periodontium
TRUE
Continued eruption of a tooth through the surrounding tissue makes the clinical crown appear
longer
The maxillary first primary molar has a crown that somewhat resembles a
permanent premolar
The maxillary first primary molar has a root that resembles a typical
permanent molar
_______ plays the greatest role in discluding the posterior teeth in latero-protrusive
Anterior guidance
Viewed from the occlusal the basic coronal outline of a mandibular second premolar is
pentagonal
Ligaments associated with the TMJ serve to protect surrounding and supporting tissues from damage
TRUE
Facial view of a primary mandibular 1st molar the CEJ is most apically positioned toward the
mesial 1/3
_________ has the greatest m-d diameter of all molars
The Mandibular 1st molar
Other than 3rd molars the tooth that is most often congenitally missing is the
maxillary lateral incisor
The mesio-distal width of the mandibular lateral incisor is wider than the
mandibular central incisor
The mesio-distal width of the maxillary lateral incisor is narrower than the
maxillary central incisor
A key feature that differentiates a mandibular1st & 2nd molar is the number of
developmental grooves and number of cusps
The incisal embrasure between the maxillary centrals is smaller than between the
central and the lateral
The premolar that has a longer mesio-facial cusp ridge than disto-facial cusp ridge is the
maxillary 1st
The facial cusp of the maxillary 1st premolar is offset to the
distal
A common trait of maxillary premolars is that their lingual cusps are off set to the
mesial
For molar teeth the root canals join the pulp chamber apical to the
cementoenamel junction
_______ travel from one root to an adjacent root surface
The transseptal periodontal fibers
The usually pattern of eruption for primary teeth is
centrals - laterals - 1st molars - canines - 2nd molars
In the rare event of a second canal for a mandibular 1st premolar it is most likely located to the
lingual
The mesiolingual developmental groove on tooth # 21 originates from the
occlusal pit
The mesiolingual developmental groove on tooth # 21 extends onto the
proximal surface
The physiologic rest position is established when the mastication muscles are in
tonic equilibrium
The overjet and overbite provide some degree of protection for
lips cheeks and tongue
_______ of an anterior tooth is the first to calcify
The incisal ridge
Crown of the ________ has a shorter distolingual groove than the second molar
maxillary first molar
The principle muscles that retrude the mandible are the
posterior fibers of the temporalis
Hypercementosis is an excess of calcified tissue formation at the
root apex
At mid root cross section of first molars the largest is the
mesial of the mandibular
The premolar with the steepest cusp inclines is the
maxillary 1st premolar
The primary mandibular 1st molar usually exhibits a
distal triangular fossa
The maxillary lateral incisor is usually equal to or larger than the
maxillary central in root length
The distoincisal angle of the _______ has the greatest convexity of all maxillary anterior teeth
maxillary lateral
The geometric form of anterior teeth when viewed from the proximal is
triangular
The distolingual cusp of maxillary molar is the only one that is not part of the
molar cusp triangle
_________ have contact points at the same incisocervical level
The mandibular central incisors
_________ have long axis of their root apices facial and their crowns lingual
Mandibular molars
Caries stimulates the production of
secondary dentin
The largest cusp of the mandibular first molar is the
mesio-facial
In cervical cross section the root of the mandibular canine is flattened in a
mesio-distal direction
The primary central incisor exhibits a prominent cervical ridge both on the
facial and lingual surfaces
The predominant connective tissue for periodontal ligament fibers
Collagenous
_______ has a uniquely prominent triangular ridge
The mandibular 1st premolar
_______ has frequently both a separate mesial and distal pit
The mandibular 1st premolar
_______limits the extent of jaw opening
The temporomandibular ligament
_______ initiates translation of the condyle down the articular eminence
The temporomandibular ligament
The tooth that is most likely forced into the maxillary sinus during an extraction is the
first molar
Extrinsic muscle of the tongue that causes it to retract
The styloglossus muscle
Facial view the apex of the lingual root is in line with the
facial groove of the tooth
The premolar that is most likely to have a crescent-shaped central developmental groove is
Mand 2nd
Molar that most frequently has only 3 cusps
The maxillary 3rd molar
Mesiolingual groove is an identifying characteristic for the
mandibular 1st premolar
________ occurs during the earliest stage of lateral movement
Bennett movement
muscles are primarily responsible for protrusive movement
The lateral pterygoid
The lingual cusp of the mandibular first premolar is approximately
2/3rds the height of the facial cusp
The first succedanous tooth to erupt in the mouth is the
permanent mandibular central incisor
The Y type mandibular 2nd premolar has the same number of occlusal pits as the
mandibular 1st molar
From the facial or lingual view canines have a
pentagonal outline
has a distal concavity that can pose special problems in matrix placement
The Maxillary 1st molar
The cervical cross section of the maxillary 1st premolar exhibits a
kidney shaped root outline
The cervical cross section of the maxillary 1st premolar exhibits a
kidney shaped pulp chamber floor
The middle facial lobe of the maxillary canine includes the
cusp tip
The number of lobes that form the anterior teeth is
4
The number of lobes that form the posterior teeth coincides
with the number of cusps
The anterior-posterior curvature of the occlusal surfaces as seen in a facial view
The Curve of Spee
periodontal ligament fibers reduces the likelihood of forceful impaction into the alveolus
The oblique
The height of contour is in the ______ for the facial surfaces of all teeth
gingival 1/3
The apex of the triangular-shaped boundary of the interproximal space is the contact area of the teeth
TRUE
From a facial view the crown of a ______ has a mesio-incisal slope longer than the distoincisal
primary canine
The cusp tip of the primary canine is generally off set to the
distal
A primary molar lacks an
identifiable root trunk
The ______ from a proximal view tends to be positioned with the most nearly vertical axis
maxillary canine
_______ is the cemental union of 2 fully formed teeth that were originally separate entities
Concrescence
The apex of a tooth is fully formed _____ after it erupts in the mouth
2-3 years
The ______ is the prime mover in effecting a left working movement
right lateral pterygoid
The mesial surface of the crown of the _____ is almost parallel to the long axis
mandibular canine
The smallest cusp of the mandibular 1st molar is the
distal cusp
The cross sectional outline at the cervical is roughly triangular for the
permanent maxillary 2nd molar
The TMJ has
2 synovial cavities
The cervical line of permanent teeth has the greatest depth of curvature on the
mesial aspect
From a proximal view the incisal ridge of the crown is on line with the
center of the root
The ______ has the smallest faciolingual crown dimension
primary mandibular central incisor
The _____ has the most distinct transverse ridge
primary mandibular first molar
The condyle on the working side generally rotates
about a vertical axis and translates laterally
Occlusal view the greatest faciolingual diameter of a mandibular 2nd molar is in the
mesial 1/3
More of the occlusal surface can be seen from the mesial than distal for a
mandibular 1st premolar
The Bennett movement
is the bodily shift of the mandible toward the working condyle
The DL groove of a ______ is an anatomical feature that complicates root planning
MAX lateral incisor
______are a result of normal enamel apposition
Perikymata
________ are most likely to be found in the middle 1/3 of the root
Oblique periodontal ligament fibers
The mandibular centrals and laterals most frequently have concave areas on
M &D root surfaces
The mandibular canine has a less prominent cingulum than the
maxillary canine
The mandibular canine is narrower mesiodistally than the
maxillary canine
The mandibular canine has a continuous convex facial surface from
incisal to apical end
Accessory pulp canals may be found in the
cervical third of the root and furcation areas of molars
Accessory pulp canals may contain
nervous and vascular tissue
Accessory pulp canals allow the pulp tissue to m communicate with the periodontal ligament space
TRUE
The TMJ is protected by
snovial fluid fibrocartilage ligament suspension and masticatory muscles
The most prone facial & lingual surfaces of molars are the
lingual of max and the facial of mandibular
The function of the ____ is to form and supply nutrients to dentin and transmit sensory stimuli
pulp
In delayed resorption of primary incisors the permanent incisors usually erupt
lingually
The disk of the TMJ is moved forward principally by the
lateral pterygoid
Primary molars differs from permanent molars in that their roots are more
divergent
The primary teeth that differ most from permanent teeth are the
first molars
The highest and sharpest cusp on a primary mandibular first molar is the
mesiolingual
The ______ has the greatest facio-lingual axial inclination
maxillary central
The primary function of the dental pulp is to
form dentin
The shortest interdental papilla is between the
mandibular second premolar and first molar
In cross section the root of the mandibular canine is
irregularly oval
The percentage of dentin that is organic is
20-30%
The anterior tooth that most likely would demonstrate a lingual pit cavity is
maxillary lateral incisor
Calcification of the primary roots is normally completed at
3-4 years of age
Interradicular fibers are not
periodontal fibers
Approximately 50% of permanent root formation is completed at the time
the tooth erupts
The ________ has the greatest faciolingual diameter of the crown for all teeth
maxillary first molar
Tooth contact almost exclusively determines
intercuspal position
is a muscle guide position
Physiological rest position
ligament guided position
Centric relation is a
Centric occlusion=CO=
intercuspal position
The ideal position and height of lingual cusps of ______ accommodates working movement
MAND 1st molar
The ______ has the longest root
maxillary canine
The premolar that most frequently has a single central pit is the
mandibular second
______ separates cusp ridges from marginal ridges
Developmental grooves
The _____ most often is in abnormal relation and contact with adjacent teeth
maxillary lateral incisor
The lingual cusp of a _____ is similar in development to the cingulum of a canine
mandibular 1st premolar
Teeth are in contact in intercuspal position during
NON mastictory swallowing
The _____ cusp of the maxillary 1st molar is the largest and longest posterior cusp
mesiolingual
Contraction of the lateral pterygoid produces _____ movement of the condyle from the articular fossa
forward
The ______ has a wider m-d width toward the facial than toward the lingual
maxillary 1st molar
______ tends to taper toward the facial rather than toward the lingual
maxillary 1st molar
Physiological rest position is also known as
Postural Position
The primary maxillary 1st molar most often bears the greatest resemblance to a
premolar
In Posselt’s envelope of motion maximum intercuspal position is the
most superior point
The molar that has the most distinct transverse ridge separating the mesial fossa is the
mandibular 1st
The _______ is a depression in the temporal bone ( just anterior to the auditory canal)
glenoid fossa
The center of the oblique ridge on a ______ is at the same level with the marginal ridge
Maxillary 1st molar
_____ is a developmental abnormality characterized by the presence of fewer teeth than usual
Oligodontia
________ are the non molar teeth having the sharpest demarcation between pulp chamber & canal
tooth #5 &12
Dense avascular fibrous connective tissue covers the
articulating osseous structures of the TMJ
The _____ is the only premolar that frequently only has one pulp horn
mandibular first premolar
The facial surfaces of ________ are located medial to the border of the ascending ramus
mandibular molars
The facial masticatory mucosa (attached gingival) is narrowest for the
mandibular first premolar
The ______ occurs at the junction of the dental papilla & the inner enamel epithelium
dentinoenamel junction
Of the 3 furcations of a ______ the mesial is the closest to thecervical line
maxillary 1st molar
Of the 3 furcations of a ______ the distal is the furthest from the cervical line
maxillary 1st molar
The _______ muscle is NOT an elevator of the mandible
lateral pterygoid muscle
Maintenance of the epithelial attachment is a function of the periodontal ligament
FALSE
Periodontal ligament fibers are made up of
collagen
Periodontal ligament fibers support the tooth connecting to the dental alveolar bone via the
cementum
The _______ does NOT look like any permanent tooth
primary first mandibular molar
The _______ resembles a premolar
primary first maxillary molar
_____ have the greatest morphological variation
3rd molars and Maxillary laterals are after that
_____ from an occlusal view are frequently heart shaped because the are missing the DL cusp
Max 3rd molars
distinguished by the cervical curvature which is greater on the mesial than distal
Mandibular centrals
Marginal ridge heights for _____ are generally more occlusal than on the distal
posterior teeth
The ______ has its mesial marginal ridge more cervical than the distal
mandibular first premolar
Supernumerary teeth when seen in the maxilla are usually found between
the centrals or as 4th molars
The primate space develops in the maxillary primary dentition between the
lateral and canine
The primate space develops in the mandibular primary dentition between the
canine and 1st molar
The main component of enamel is
inorganic matter (NOT collagen)
The direction of primary enamel rods in the cervical third is in an
occlusal direction
The direction of enamel rods in permanent teeth in the cervical third is in a
gingival direction
The lower compartment of the tmj is located between the
condyle and the disc
Primary teeth are less mineralized than permanent teeth are consequently are more
worn
The usual overjet is
2-4 mm
The difference in space from the primary to the permanent dentition is
2-4 mm
____ teeth have distal and mesial marginal ridges
All
The lingual cusp of the ______ in normal occlusion does not occlude
mandibular 1st premolar
Physiologic rest position occurs when the mastication muscles are in
tonic equilibrium
When the mandible moves from CO to edge to edge the condyles move
forward & downward
______ has greateas MD crown dimension of any ANTERIOR tooth
Max central incisor
______ has measurement that is nearly identical for Inciso-Cervical versus Mesio-distal
Max central
______ has GREATEST cervical curvature (on mesial) of any other tooth
Max central
______ mesio-distal crown width SMALLEST of any MAXILLARY tooth
Max lateral
_____ has MOST crown shape variations
Max lateral
______ has mesio-distal measurement that is nearly identical to facio-lingual (Closest of all ANTERIOR teeth)
Max lateral
______ has distal contact that farthest cervically of any INCISOR
Max lateral
______ has distal contact centered both Inciso-cervically and facio-lingually
Max lateral
_____ SMALLEST crown dimensions of ANY tooth
Mand Central-
______ most symmetrical crown
Mand Central-
______ has sharpest set of incisal angles (mesial and distal)
Mand Central-
______ Proximal contacts at same level
Mand Central-
_____ crown twisted on root
Mand Lateral-
______ GREATEST OVERALL total tooth length
Maxillary Canine
Maxillary Canine has a
distal bulge
GREATEST F-L crown dimension of any ANTERIOR tooth
Maxillary Canine
Maxillary Canine cusp tip located ____ to ling axis
facial
______ has GREATEST cervical prominence of any ANTERIOR tooth
Maxillary Canine
Maxillary Canine distal contact is
centered
_____ has longest root of any other tooth
Maxillary Canine
______ has longest CROWN dimension of any other tooth
Mandibular Canine
_____ has straightest mesial alignment of crown to root
Mandibular Canine
______ makes a C shape from crown tip to root apex
Mandibular Canine
______ has incisal edge lingual to long axis
Mandibular Canine
______ has the LONGEST ROOT length of any MANDIBULAR tooth
Mandibular Canine
Max 1st premolar only premolar with longer
mesial cusp ridge
______ only tooth with mesial marginal ridge groove and mesial corwn concavity and mesial root depression
Max 1st premolar
______ symmetrical POSTERIOR tooth
Max 2nd premolar
______ has cusp heights closer in height to each other than any other PREMOLAR
Max 2nd premolar
______ has fossa that re closest in size compared to any other posterior tooth
Max 2nd premolar
Mandibular 1st premolar ______ smallest of any posterior tooth
facio-lingually
Mandibular 1st premolar is closest of all MANDIBULAR TEETH in
FL versus M-D diameter
Mandibular 1st premolar most variation of all posterior teeth in
facial versus lingual cusp height
Mandibular 1st premolar only tooth with a _____ groove
mesio-lingual
______ has mesial marginal ridge that is more cervical than distal marginal ridge
Mandibular 1st premolar
ONLY premolar with multiple lingual cusps
Mandibular 2nd
ONLY premolar with a lingual groove
Mandibular 2nd premolar
ONLY premolar with a central fossa
Mandibular 2nd premolar
closest in size FL vs MD of any MAXILLARY POSTERIOR tooth
Max 1st Molar
LARGEST M-D crown dimension of ANY other tooth
Mand 1st Molar
LARGEST FL crown dimension of ANY other MANDIBULAR tooth
Mand 1st Molar
LARGEST Occluso-cervical crown dimension of any MANDIBULAR molar
Mand 1st Molar
Mand 1st Molar has three
facial cusps
has the LONGEST root of any other molar
Mand 1st Molar
has GREATEST root separation of ANY OTHER tooth
Mand 1st Molar
MESIAL root has GRATEST F-L dimension of any other root
Mand 1st Molar
Cruxiform occlusal pattern
Mand 2nd Molar-
have most variation in crown morphology
3rd Molars
has GREATEST distal root inclination of any other tooth
3rd Mandibular Molar
has SHORTEST root of any mandibular tooth
3rd Mandibular Molar
