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86 Cards in this Set
- Front
- Back
Each tooth contacts adjacent teeth on both of its proximal surfaces except
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Third Molars
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Generally contact areas are more facially/distally located
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facially
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The proximal contact that involves the mesial of 2 different teeth is found where
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between both max and mand central incisors
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Proximal contacts lend support to what aspect of the dental arch
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entire dental arch
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give the incisocervical location of the max and mand cent, lateral and canines
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IJ, JM, JM
II, II, IM |
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What is the name of the gentle curve formed if you connect the proximal contacts of the posterior teeth in 1 quadrant
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Curve of Spee
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The lingual inclination of the mand post teeth and the buccal inclination of the maxillary teeth for what curve
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Curve of Wilson
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Summarize the contacts of the posterior teeth in a quadrant with respect to occlusocervical location
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MM, MM, MM, MM, M - maxillary
MM, MM, MM, MM, M - mandibular |
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Summarize the contacts of an entire quadrant with respect to occluso/inciso cervical location
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IJ, JM, JM, MM, MM, MM, MM, M - maxillary
II, II, IM MM, MM, MM,MM, M - mandibular |
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What are the general rules in regards to the proximal contact incis/occlusocervical relation of the teeth in a quadrant
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1. The more anterio the tooth, the more incisal/occlussal the proximal contact is
2. For any tooth, the mesial contact area is always more toward the incisal/occlusal surface than the distal |
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The interdental papilla generally has what shape
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triangular
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In healthy mouths the saggy tentlike area of tissue in the interproximal area is called
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Col
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What are the 3 types of embrasures
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Incisal/occlusal, lingual, and facial
IN CLASS WILSON SPOKE OF A FOURTH CALLED THE GINGIVAL WHICH IS OPPOSITE THE INCISAL/OCCLUSAL |
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What provides a natural spillway to help move food out of the occlusal area during chewing
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Embrasure - they also help expose teeth to oral fluids and mechanical cleansing action of tongue, lips and cheeks
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Besides facial and lingual embrasures being confluent(indistinguishable) from the interdental area, it is also confluent with what other structure
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The occlusal/incisal embrasure
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In the anterior teeth, the lingual and facial embrasures are roughly _________ and the posterior teeth embrasures have facial embrasures that are __________ compared to the lingual ones
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equal in depth, shallower
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An imaginary line circling the tooth at its greatest bulger or circumference is called
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Height of Contour
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The proximal contacts lie which direction of the HOC
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On the HOC
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The facial and lingual contacts are best seen from what view of a tooth
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proximal
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Where are anterior teeth have facial and lingual HOC's usually located incisocervically where
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cervical 1/3 of crown
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Where are the lingual HOCs of all posterior teeth located
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Middle 1/3
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Where are the facial HOCs of all posterior teeth
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Cervical 1/3
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All max teeth exhibit facial and lingual contours that meausre how big
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1/2 mm
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what is the measurement of the HOCs for sll the mand anterior teeth
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< 1/2 mm
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what is the measurement of the facial HOCs for the mand posteriors
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1/2 same as that for max posteriors
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What is the measure of the lingual HOCs on the mand posteriors
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1mm
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the flat line from the cervical line to HOC is called?
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emergence profile
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What kind of emergence profile can give a halo effect around the tooth gingiva
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Convex Emergence Profile
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What are the functions of the embrasures and proximal contacts working together
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Support arch, move food out of occlusal area which also prevents food impaction, protect the peridontium, distribute forces of masitcation
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Is the gingival or incisal/occlusal embrasure always larger
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gingival
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As you move from the centerline of the arch posteriorly, which embrasure gets smaller and which gets larger, Incisal/Occlusal or Gingival
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Gingival gets smaller, incisal gets larger
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The proximal surface of a tooth is always _______ or ________ but never ________ below the contact area
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concave, flat, but never convex
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what is the only tooth that has a mesial concavity
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max 1st premolar
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Where is the contact on ant teeth located faciolingually
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closed to middle more facial if its not
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Which facial cusps are slightly more centered than the other, mandibular or maxillary
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Mandibular facial cusps are generally more centered
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If you restore a tooth and the embrasure spaces are too small what can happen
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you empenge on the interdental papilla and can cause inflammation
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T or F permanent dentition has thicker enamel and dentin than the primary dentition
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T
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Which dentiton has more pronounced pulp horns, primary or permanent
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Primary
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Does the primary or permanent dentition have longer roots in relation to the crown size
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primary
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T or F the roots in posterior primary teeth do not tend to flare that much
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F, they flare out alot more
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Where does the permanent tooth root bud tend to sit in relation to the primary tooth
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It sits in between the area that is formed by the 'flaring" out of the roots
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T or F primary teeth are more prone to inflammation due to high number of cell turnovers
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F, although they have a more bulbous apperance which would tend to cause inflamation the high turnover limits inflammation
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What permanent tooth do the primary 2nd molars resemble
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permanent 1st molars
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Which primary tooth has a distinctive mesial-facial bulge
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Primary 1st molars
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When a primary tooth exfoliates normally, what is a characteristic of its root
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usually theres no root because it is resorbed which enables tooth to fall out
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T or F the primary teeth dont act like space maintainers for the permanent teeth
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F
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Primary teeth tend to appear more bulbous than permanent teeth due to what
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Constriction at the CEJ
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Which dentition has smaller facial and lingual HOCs, the permanent or primary
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permanent have smaller HOCs
HOCs on primary teeth sometimes called cervical or gingival ridge |
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Which central incisors usually preced the others in eruption in the primary dentition
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the mandibs usually erupt before maxillary
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What cause the primary teeth to appear to be whiter than permanent teeth
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less dense dentin, remember dentin gives tooth yellow/brownish color
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The primary maxillary central incisor is wider in which direction mesiodistally or incisocervicaly
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mesiodistally, this is disimilar to the permanent dentition.
This wider mesiodistal characteristic is true for all anterior teeth in the primary dentition |
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The primary max central has how many lobes and pulp horns
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4 lobes, 3 horns
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Which of the two max incisors which is wider mesiodistally
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Central is wider than lateral
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Which primary max incisor has the more prominent cingulum
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Central, but the lateral has more prominent marginal ridges
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When looking at a proximal view of the primary ant teeth, they tend to have their incisal edges what in relation to the longitudinal axis of the too
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They tend to have incisal edge centered on the longitudinal axis. This is opposite of the permanent ant teeth
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On the primary mand incisors is the lingual anatomy less/more distinct than that of the primary max incisors
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less distinct on primary mand incisors
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Which tooth has the great incisocervical lenght, the primary mand lateral or central
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lateral is longer and slightly wider too
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Which primar mand incisor has a longer root
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the lateral has longer root than central
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Which cusp ridge is longest on the primar max canine
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the mesial
NOTE on the primary mand the distal cusp ridge is longer |
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What are the 3 horns of the primary max canine named
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distal, central(largest), mesial(smallest)
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Which primary canine is wider mesiodistally
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maxillary
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What is the general outline of the primary max 1st molar
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triangular
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how many cusps does the more common form of the primary max 1st molar have
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Generally 3(lacks distolingual) but can have 4
On 4 cusp version distolingual is smalles cusp |
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T or F the oblique ridge found in max molars of the permanent dentition is also found on primary max molars
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T however on the 3 cusped version the oblique ridge blends with the distal marginal ridge (oblique ridge runs from DF to ML cusps)
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Which cusp is largest and longest of the 2 facial cusps on primary max 1st molar
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Mesiofacial
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Which cusp on the primary max 1st molar is the largest overall
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mesiolingual
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Whats is the name of the groove that separates the mesiolingual and distolingual cusp(if present) on primary max 1st molar
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distolingual groove
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T or F the primary max 1st molar has the same number and arrangement of cusps as does the permanent max 1st molar
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T, the names are the distofacial, lingual, mesiofacial roots
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The size of the 3 roots on primary max 1st molar are from biggest to littlest
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lingual, mesiofacial, distofacial
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The primary 2nd max molar resembles which permanent tooth
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permanent max 1st molar, it is rhomboid shaped occlusally and the facioingual measurement is greater than the mesiodistal measurement
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which primary max molar is largest
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2nd
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how many cusps does the primary max 2nd molar generally have
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generally 4 but can have 5th(cusp of carabelli)
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Which of the 4 primary cusps on the primary max 2nd molar are widest and smallest
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ML is largest, DL is smallest
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The longest cusp on the primary max 2nd molar is the
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ML, the other 3 are roughly equal length
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How many roots and pulp horns does the primary max 2nd molar have
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3 roots, and either 4 or 5 horns depending on number of cusps
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What is the relationship of the faciolingual measurement of the primary mand 1st molar that makes it different
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its very small measurement in faciolingual direction
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on the primary mand 1st molar describe the cusp tips size relationships
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both the lingual and facial mesial cusps are wider/longer than their distal counterparts
NOTE mesiofacial cusp slightly larger than mesiolingual |
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T or F the primary max molarss have a transverse ridge across the occlusal surface while the primary mand 1st molar has an oblique ridge on its occlusal surface
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F, the maxillaries have oblique ridge and mand 1st has transverse ridge
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How many roots do the primary mand 1st molars have
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2 just like the permanent mand molars
mesial and distal, mesial is bigger and usually has 2 canals |
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The primary mand 2nd molar closely resembles what permanent tooth
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mand 1st molar
difference is that primary 2nd has more bulbous appearance and is smaller relative size |
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The primary mand 2nd molar is distinguished by its mesiodistal measurement being what
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greater than its faciolingual measurement
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How many cusps does the primary mand 2nd molar have
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5, the DF is the longest
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How do the lingual cusps of the primary 2nd molar compare to each other as far as size goes
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pretty equal
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What cusps is the facial pit of the primary mand 2nd molar located between
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MF and DF
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Which primary mand molar has the larger roots
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2nd has larger roots
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How many canals are in the mesial root of the primary mand molars usually
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2
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