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250 remembered questions
250 DAO questions
165
Science
Professional
10/22/2011

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Cards

Term
The primary tooth that has the most distinctly prominent facial cervical ridge is
Definition
Mandibular 1st Molar
Term
Which maxillary premolar has its lingual cusp more off set to the mesial
Definition
1st premolar
Term
Which primary tooth has the cusp of Carabelli?
Definition
Primary Second molar
Term
Mamelons that remain beyond the age of 10 generally indicate an
Definition
Open bite
Term
Which teeth generally occlude with one opposing tooth?
Definition

Mandibular central incisors

Maxillary third molars

Term
The developmental groove between the df cusp and the dl cusp of the mandibular 1st molar is
Definition
Distofacial
Term
The teeth whose function is primarily biting
Definition
incisors and canines
Term
The groove pattern for the mandibular first molar is considered...
Definition
Y or Dryopethicus pattern
Term
Which canine has its contact located more incisally
Definition
mandibular
Term
What forms the distal boundary of the central fossa for maxillary molars
Definition
oblique ridge
Term
What is the transverse ridge a union of?...
Definition
Facial and lingual triangular ridges
Term
When the facial and lingual triangular ridges meet, what is this called?
Definition
transverse ridge
Term
Which anterior teeth are wider more mesio-distally than facio-lingually?
Definition
Maxillary incisors
Term
What are the only maxillary teeth that are wider mesio-distally than facio-lingually?
Definition
Maxillary incisors
Term
What posterior teeth are wider mesio-distally than facio-lingually?
Definition
Mandibular Molars
Term
What are the only mandibular teeth that are wider mesio-distally than facio-lingually?
Definition
Mandibular molars
Term
Which tooth usually has 2 roots with 3 canals?
Definition
Mandibular 1st molar
Term
Which tooth usually has two mesial canals
Definition
Mandibular 1st molar
Term
What is the name for the side shift of the mandible?
Definition
Bennett's movement
Term
Which primary tooth exhibits an oblique ridge?
Definition
Primary Maxillary 2nd molar
Term
Which primary tooth exhibits more cusps? Primary 1st or 2nd molar
Definition
2nd molar
Term
What is the occlusal outline of a mandibular first molar?
Definition
Pentagon
Term
What influences the lingual concavity of the maxillary anterior teeth?
Definition
Side shift of the mandible
Term
What does the contact between a max central and lateral incisor make?
Definition
lingual embrasure larger than the facial
Term
Which non-molar tooth most frequently has a mesial and distal pulp horn
Definition
Max central incisor
Term
Which primary maxillary tooth has the most prominent cervical ridge?
Definition
MF surface of the 1st molar
Term
Which non-molar tooth most frequently exhibits 3 roots?
Definition
Maxillary 1st premolar
Term
Which dentin is most highly mineralized?
Definition
intra or peritubular
Term
Which tooth has the potential of contacting both anterior and posterior teeth?
Definition
Max canine
Term
On the occlusal outline, what are the acute angles?
Definition
Mesiofacial and distolingual
Term
On the occlusal outline, what are the obtuse angles?
Definition
Mesiolingual and distofacial
Term
What is the shape of the occlusal outline for the maxillary 1st molar?
Definition
rhomboidal
Term
Which anterior tooth usualle exhibits a bifurcated root?
Definition
mandibular canine
Term
What direction is the bifurcation of the mandibular canine root?
Definition
facial and lingual
Term
What is the cross-sectional outline of the mandibular canine at the CEJ
Definition
Ovoid but wider mesiodistally at the labial
Term
Which non-molar is least likely to have a bifurcated root?
Definition
Maxillary central incisor
Term
On which premolar is the cusps size and position more identical
Definition
Maxillary 2nd premolar
Term
Which maxillary tooth has the most pronounced developmental groove?
Definition
Maxillary 1st premolar
Term
Which premolar has one facial and two lingual cusps
Definition
Y type mandibular premolar
Term
Which anterior tooth has the most prominent marginal ridges
Definition
Maxillary lateral incisor
Term
Which anterior tooth has the most distinct and deepest lingual fossa of all anterior teeth
Definition
Maxillary lateral incisor
Term
Which posterior tooth has the greatest cervico-occlusal crown height
Definition
Maxillary 1st premolar
Term
What does the oblique ridge connect?
Definition
mesiolingual and distofacial cusps
Term
What is the occlusal outline of a mandibular 1st premolar
Definition
diamond
Term
What is the last primary tooth to erupt
Definition
Maxillary 2nd molar
Term
Softest dental tissue
Definition
cementum
Term
hardest dental tissue
Definition
enamel
Term
Where is the 4th canal usually located in a maxillary first molar
Definition
Mesiofacial canal
Term
What is the crown form of canines from the facial view
Definition
pentagonal
Term
When viewed from the occlusal what is the occlusal arrangement of teeth
Definition
parabolic
Term
What primary tooth has a oblique and transverse ridge and DL groove?
Definition
2nd molar
Term
Besides the third molars, which teeth exhibit the most crown variation?
Definition
Maxillary lateral incisors
Term
During mastication which tooth fibers are more helpful
Definition
Oblique fibers
Term
Largest root of the maxillary molar
Definition
Palatal
Term
Smallest root of the maxillary molar
Definition
Distofacial
Term
What is contained in the pulp chamber of mature teeth
Definition
blood vessels and nerves
Term
Mandibular primate space is located where
Definition

Between canine and first molar

 

Term
Where is the alveolar process thinnest in a healthy mouth
Definition
Mandibular central incisors
Term
What does the crown of the mandibular second molars exhibit?
Definition
mesial and lingual incline
Term
Which primary tooth resembles the permanent premolar
Definition
Maxillary 1st premolar
Term
What does the primary 1st molar resemble in the permanent dentition
Definition
premolar
Term
Which primary tooth has a root that resembles a typical permanent molar
Definition
Primary molar
Term
Anterior guidance plays the greatest role in discluding the posterior teeth in which mandibular movement
Definition
Latero-protrusive
Term
What is the coronal outline of a mandibular 2nd premolar
Definition
square
Term
Which molar has the greatest mesial distal diameter
Definition
Mandibular 1st molar
Term
Other than third molars, which teeth are most often congenitally missing
Definition
Maxillary lateral incisor
Term
Which is wider mesio-distally, mandibular lateral or central incisor
Definition
lateral
Term
Which is wider mesio-distally, maxillary lateral or maxillary central incisors
Definition
max. central
Term
What is an easy way to distinguish the mandibular 1st and 2nd molar
Definition
developmental grooves/ cusps
Term
Where is the facial cusp of maxillary 1st premolar offset to
Definition
distal
Term
What is a common trait of maxillary premolars
Definition
lingual cusps are off set to the mesial
Term
Where do pulp chambers join root canals in junction to the CEJ
Definition
apical
Term
What is the usual eruption of primary teeth
Definition
centrals, laterals, 1st molars, canines, 2nd molars
Term
Where would the second canal be located for a mandibular 1st premolar
Definition
lingual
Term
Where does the mesiolingual developmental groove on tooth #21 originate from
Definition
occlusal pit
Term
Mesiolingual developmental groove on tooth #21 extends
Definition
onto the proximal surface
Term
When physiologic rest position is established what muscle position are the muscles of mastication
Definition
tonic equilibrium
Term
What part of anterior teeth calcify's first?
Definition
incisal ridge
Term
Which maxillary molar has the shortest distolingual groove
Definition
First
Term
What are the principle muscles that retrude the mandible
Definition
Posterior fibers of the temporalis
Term
What is excess calcified tissue formed at the root apex called
Definition
hypercementosis
Term
Which root of first molars is largest at midroot cross section
Definition
Mesial of mandibular
Term
Which primary tooth exhibits a distal triangular fossa
Definition
mandibular 1st
Term
The maxillary lateral incisor is usually equal to or larger than the maxillary central in
Definition
root length
Term
The geometric outline of anterior teeth when viewed from the proximal is
Definition
triangular
Term
Which cusp of maxillary molars is not part of the molar cusp triangle
Definition
distolingual
Term
Caries stimulate the production of
Definition
secodary dentin
Term
The largest of cusp of the mandibular first molar
Definition
Mesiofacial
Term
Cervical cross section of the root of the mandibular canine
Definition
flattened mesio-distally
Term
What does the primary central incisor exhibit
Definition
prominent cervical ridge both on the facial and lingual surfaces
Term
What is the prominent connective tissue for periodontal ligament fibers
Definition
Collagenous
Term
Which premolar has a uniquely prominent triangular ridge
Definition
mandibular 1st premolar
Term
Which tooth frequently has both a separate mesial and distal pit
Definition
mandibular 1st premolar
Term
What limits the extent of jaw opening
Definition
TMJ ligament
Term
What tooth is most likely forced into the maxillary sinus during an extraction
Definition
Maxillary 1st molar
Term
What extrinsic muscle of the tongue causes the tongue to retract
Definition
styloglossus
Term
Which premolar is most likely to have a crescent-shaped central developmental groove
Definition
Mand. 2nd
Term
What molar is most likely exhibits 3 cusps
Definition
Maxillary 3rd
Term
Mesiolingual groove is an identifying characteristic for the
Definition
mandibular 1st premolar
Term
What muscles are primarily responsible for protrusive movement
Definition
lateral pterygoids
Term
What are the lateral pterygoids responsible for?
Definition
protrusive movement
Term
what is the height of the lingual cusp compared to the facial cusp of mandibular 1st premolar
Definition
2/3s the height
Term
What is the first succedaneous tooth to erupt
Definition
permanent mandibubular central incisor
Term
Which premolar has the same number of occlusal pits as the mandibular 1st molar
Definition
Y type mandibular 2nd premolar
Term
What is the facial or lingual outline of canines
Definition
pentagonal
Term
The middle facial lobe of the maxillary canine includes the cusp tip
Definition
Term
How many lobes form anterior teeth?
Definition
4
Term
The number of lobes of posterior teeth coincide with what?
Definition
Number of cusps
Term
The anterior-posterior curvature of the occlusal surfaces as seen in a facial view
Definition
Curve of Spee
Term
Where is the height of contour for all teeth facially?
Definition
Gingival 1/3
Term
From the facial fiew of the crown of a primary canine, which slope is longer mesio-incisal or distoincisal
Definition
mesio-incisal
Term
The cusp tip of the primary canine is generally off set
Definition
distal
Term
What is the cemental union of 2 fully formed teeth that were originally separate entities
Definition
concrescences
Term
The cross sectional outline at the cervical is roughly triangular for the
Definition
permanent maxillary 2nd molar
Term
How many synovial cavities does the TMJ contain?
Definition
2
Term
Which tooth has the smallest faciolingual crown dimension?
Definition
primairy mandibular central incisor
Term
Which tooth has the most distinct transverse ridge
Definition
Primary mandibular first molar
Term
From what aspect can more of the occlusal aspect be seen on the mandibular 1st premolar
Definition
Mesial
Term
What is the result of normal enamel apposition?
Definition
Perikymata
Term
Which third are oblique periodontal ligament fibers most likely located
Definition
middle 1/3
Term
Which tooth/teeth are most likeley to have concave areas on mesial and distal root surfaces
Definition
Mandibular central and lateral incisors
Term
Which canine has the most prominent cingulum
Definition
Maxillary
Term
Which tooth has a continuous convex facial surface from incisal to apical end
Definition
Mandibular canine
Term
Where are accessory pulp canals found
Definition
cervical third of root
Term
What is contained in accessory pulp canals
Definition
nervous and vascular tissue
Term
Where is the shortest interdental papilla
Definition
between mandibular 2nd premolar and first molar
Term
What is the function of the pulp
Definition
form and supply nutrients to dentin and transmil sensory stimuli
Term
What muscle moves the disc of the TMJ
Definition
lateral pterygoid
Term
Which primary tooth differs from permanent molars in that
Definition
roots are more divergent
Term
Which primary tooth differs most from its permanent tooth
Definition
1st molars
Term
The cross section of the root  of the mandibular canine
Definition
irregularly oval
Term
percentage of dentin that is organic
Definition
20 - 30%
Term
When is calcification of primary roots normaly completed
Definition
3-4 yrs old
Term
How much of permant root formation is completed at the time the tooth erupts
Definition
50%
Term
Which tooth has the greatest faciolingual diameter of the crown of all teeth
Definition
maxillary 1st molar
Term
Physiological rest is guided by what
Definition
muscles
Term
Centric relation is guided by what
Definition
ligament
Term
Which tooth has the longest root
Definition
Maxillary canine
Term
What determines working movement
Definition
height of lingual cusps of mandibular 1st molars
Term
What premolar most frequently has a single central pit
Definition
mandibular second
Term
What do developmental grooves separate?
Definition
Cusps from marginal ridges
Term
Which to most often is in abnormal relation and contact with adjacent teeth
Definition
Maxillary lateral incisor
Term
Physiological rest position is also known as
Definition
Postural postion
Term
Which primary tooth resembles a premolar
Definition
Primary maxillary 1st molar
Term
What is the most superior point of Posselt's enelope
Definition
Maximum intercuspal point
Term
Tooth with the most distinct transverse ridge separating the mesial fossa
Definition
Mandibular 1st molar
Term
The center of the oblique ridge on a maxillary 1st molar is at the same level with what
Definition
marginal ridge
Term
Developmental abnormality characterized by the presence of fewer teeth than usual
Definition
Oligodontia
Term
Which teeth have the sharpest demarcation between pulp chamber and canals
Definition
Max. 1st premolar
Term
Which premolar frequently has one pulp horn
Definition
Mandibular 1st
Term
Where is the masticatory mucosa narrowest
Definition
mandibular 1st premolar
Term
Where is the DEJ formed histologically?
Definition
junction of the dental papilla and the inner enamel epithelium
Term
Of the 3 furcations of a maxillary 1st molar which is closest to the cervical line and which is the furthest?
Definition

Closest: Mesial

Furthest: Distal

Term
Which primary tooth does not look like any permanent tooth
Definition
Primary 1st mandibular molar
Term
Primary first maxillary molar resembles a
Definition
premolar
Term
Why are Maxillary 3rd molars from an occlusal view more frequently heart shaped
Definition
Missing DL cusp
Term
Which marginal ridge is more occlusally placed on the mandibular 1st premolar
Definition
mesial
Term
Supernumerary teeth are more likely seen where?
Definition
Centrals or as 4th molars
Term
Maxillary primate space develops where in the primary dentition
Definition
lateral and canine
Term
Mandibular primate space develops in the primary dentition between the
Definition
canine and 1st molar
Term
What is the main component of enamel
Definition
inorganic matter
Term
What is the direction of primary enamel rods in the cervical third
Definition
occlusal
Term
What is the direction of enamel rods in the cervical third of permanent teeth
Definition
gingival
Term
Usually overjet is? (mm)
Definition
2-4 mm
Term
Physiologic rest position occurs when mastication muscles are in
Definition
tonic equilibrium
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