Final Review: Slides 1-20 Flashcards Preview

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Flashcards in Final Review: Slides 1-20 Deck (20):
1

SLIDE 2: INCISAL RIDGE vs. INCISAL EDGE
(One answer question)

Q: Which of the following entities on a permanent anterior crown tends to be the SMALLEST in the overall surface area? (Incisal edge or Incisal ridge)

A: Incisal Edge.



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Note: NOT INCISAL RIDGE

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SLIDE 3: NOTABLE CALCIFICATION SCHEDULE POINTS REGARDING PRIMARY TEETH
(Sequence listing question)

Q: List the first evidence of calcification in primary dentition in sequence from first to last:
(Options: Lateral incisor, 2nd molar, canine, 1st molar, central incisor)

A: 1) Central incisor
2) 1st molar
3) lateral incisor
4) canine
5) 2nd molar

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SLIDE 4: ROOT COMPLETION SCHEDULE OF PRIMARY TEETH
(entire root formation multiple answer question)


Q: The first primary tooth root to completely form is which tooth and at what year of age?
Q1) Maxillary
Q 2) Mandibular


Tooth root formation and calcification before any other teeth:
A1: Maxillary: Central incisors ( i1 or E,F) at 1.5 years

A2: Mandibular: Central and lateral incisors (i1,i2 or P,O,Q,N) at 1.5 years

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SLIDE 5: SIX YEARS OF AGE

Q: All crowns on the permanent incisors, permanent first premolars and permanent first molars have completely calcified by what age?

A: 6


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--Note: Anterior tooth spacing has stopped expanding by age 6.
- Permanent 1st molars erupt at 6 years of age.

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SLIDE 6: CALCIFICATION CHRONOLOGY PERMANENT TEETH

Q: List the permanent mandibular teeth in initiating calcification from first to last:
(Options: Central incisor, lateral incisor, canine, 1st and 2nd premolar, 1st 2nd and third molars)

A: 1) 1st molar
2) Central incisor
3) Lateral incisor
4) Canine
5) Premolars
6) 2nd molars
7) 3rd molars

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SLIDE 7: ORDER OF ERUPTION OF MANDIBULAR PERMANENT TEETH

Q: List the correct order of eruption from 1st to last of the permanent mandibular teeth:
(Options: Central incisor, lateral incisor, canine, 1st and 2nd premolar, 1st 2nd and third molars)

A: 1) 1st molar
2) Central incisor
3) Lateral incisor
4) Canine
5) 1st premolar
6) 2nd premolar
7) 2nd molar
8) 3rd molar

----- Note: According to his echo lecture, he said to know maxillary also. "There might be a

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SLIDE 8: Eight Years of Age
(Single answer question that is a true statement -- Where are the 3rd molars)

Q: Which teeth have not initiated calcification at the age of 8?


A: 3rd molars have not initiated calcification at 8 years of age. They start at 9 years of age.


---- all other options on exam will be false

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SLIDE 9: MAMMALIAN PHYLOGENETIC DEVELOPMENT: Classification of cusp forms

Q: Define Tritubercular Molar

A: Three cusps in a primary triangle

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SLIDE 10: MANDIBULAR TEETH INDIVIDUAL ALIGNMENT: Measurement of tooth alignment compared to the vertical (longitudinal) axis
(one of the answers will be incorrect)

Q: What are the facial reference angles for the following teeth:
Q1: Central incisor:
Q2: Lateral incisor:
Q3: Canine:
Q4: 1st premolar:
Q5: 2nd premolar:
Q6: 1st molar:
Q7: 2nd molar:

Facial reference angles of mandibular teeth:
A1: Central incisor: 2 degrees
A2: Lateral incisor: 0 degrees
A3: Canine: 6 degrees
A4: 1st premolar: 6 degrees
A5: 2nd premolar: 9 degrees
A6: 1st molar: 10 degrees
A7: 2nd molar: 14 degrees

(2,0,6,6,9,10,14)

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SLIDE 11: PROXIMAL CONTACT AREAS: Facial Perspective of Maxillary Anterior Teeth
(Multiple answer question where one will be labeled incorrectly-- anything that says cervical 3rd is incorrect)

Q: What are the location of proximal contacts for the following maxillary anterior teeth:
Q1: Midline:
Q2: Distal of Central:
Q3: Mesial of Lateral:
Q4: Distal to Lateral:
Q5: Mesial of Canine:
Q6: Distal of Canine:

A1: Midline: INCISAL THIRD
*A2: Distal of Central: JUNCTION OF INCISAL AND MIDDLE THIRDS
*A3: Mesial of Lateral: JUNCTION OF INCISAL AND MIDDLE THIRDS
A4: Distal to Lateral: MIDDLE THIRD
A5: Mesial of Canine: JUNCTION OF INCISAL AND MIDDLE THIRDS
A6: Distal of Canine: MIDDLE THIRD

*Remember: Anything that says CERVICAL is wrong.


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Note: They will all curve from middle 3rd down to the midline.

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SLIDE 12: LOCATION OF PERIODONTAL FIBERS


Q: Which fibers are known to resist forceful impaction of a tooth into the alveolus, consistent with many types of trauma.

A: Oblique fibers (Prevents root from fracturing)

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SLIDE 13: EMBRASURES: Facial Viewpoint -- Maxillary Posterior Teeth

Q1: The largest embrasure is found between what two teeth? ( lateral incisor and canine or canine and 1st premolar)
Q2: The smallest embrasure is found where (Know both in the anterior and posterior section)? ( between two molars or at the midline)

A1: Largest: canine and 1st premolar
A2: Smallest in the anterior section: At the midline
Smallest in the posterior section: between the 1st and 2nd molar (Occlusal embrasure)

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SLIDE 14: PRIMARY vs. PERMANENT CROWNS
(Looking for one that's essentially incorrect)

Q1) (T/F): Primary teeth has thinner enamel
Q2) (T/F): Primary teeth has thinner dentin
Q3) (T/F): Primary teeth have a whiter crown color
Q4) (T/F): Primary teeth have taller pulp horns
Q5) (T/F): Proportionally shorter pulp chambers

Q1) T: Primary teeth has thinner enamel
Q2) T: Primary teeth has thinner dentin
Q3) T: Primary teeth have a whiter crown color
Q4) T: Primary teeth have taller pulp horns
Q5) F: Proportionally shorter pulp chambers. They have porportionately LARGER pulp chambers.

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SLIDE 15: INCISAL VIEW -- PRIMARY MAXILLARY LATERAL INCISOR
(Multiple answer question)

Q: In a primary maxillary lateral incisor, incisal view:
Q1 - The crown tapers SLIGHTLY toward the __________ (lingual or facial surface)
Q2 - The incisal ridge is curved toward the ________ ( lingual or facial surface)
Q3 - The distolingual profile is SLIGHTLY _____________ (concave or convex)
Q4 - The lingual fossa is moderately _________ (deep or shallow)?
Q5 - Has ____________ (cingulum or no cingulum)

A1: Tapers SLIGHTLY toward LINGUAL surface
A2: Curved toward FACIAL surface
A3: DIstolingual profile is SLIGHTLY CONCAVE
A4: Lingual fossa is moderately DEEP
A5: Has CINGULUM

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SLIDE 16: OCCLUSAL VIEW -- PRIMARY MAXILLARY SECOND MOLAR:
(look for the incorrect statement)

Q1: How many cusps are found on this tooth?
Q2: List the cusps from largest to smallest size?

A1: 5 cusps
A2: LARGEST: MESIOLINGUAL ****
MESIOFACIAL
DISTOFACIAL
DISTOLINGUAL
5th (CUSP of CARABELLI)

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SLIDE 16: OCCLUSAL VIEW -- PRIMARY MAXILLARY SECOND MOLAR:

Q1: The crown outline form is considered "somewhat ______________ " (rhomboidal or trapezoidal) exhibiting a ___________ (mesial or distal) crown convergence.
Q2: (T/F) Both marginal ridges are prominent
Q3: There is a distinct transverse ridge involving the TRIANGULAR RIDGES of the _____________ (mesially or distally-positioned cusps)
Q4: The TRANSVERSE groove of the OBLIQUE ridge crosses the OBLIQUE ridge and connects the _________ (mesial or central pit) with the ________ (distal or mesial pit)

A1: RHOMBOIDAL, DISTAL
A2: TRUE
A3: MESIALLY-POSITIONED CUSPS
A4: CENTRAL PIT, DISTAL PIT

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SLIDE 17: FACIAL VIEW --PRIMARY MANDIBULAR FIRST MOLAR
(Multiple answer question-- pick out which one will be correct)

Q1) The MESIAL surface outline or contour is relatively ____________ (flat or convex)
Q2: The proximal contact areas are in the OCCLUSAL portion of the ____________ (middle or cervical 3rd) (ALMOST to the junction of the middle and occlusal thirds)
Q3: The _______________ (mesiofacial or distofacial cusp is larger and taller than the __________ mesiofacial or distofacial cusp)
Q4: The cervical line significantly POINTS or DIPS _____________ (apically or cervically) onto the _____________ (mesial or distal root) surface on the mesial half of the tooth
Q5: The ___________ (mesial or distal root) is much longer and more straight than the __________ (mesial or distal root)

A1: relatibely FLAT
A2: occlusal portion of the MIDDLE 3rd
A3: MESIOFACIAL, DISTOFACIAL
A4: APICALLY, MESIAL ROOT SURFACE.
A5: MESIAL ROOT much longer and straight than DISTAL ROOT.

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SLIDE 18: TOOTH BUD DEVELOPMENTAL ANOMALIES.
(know definition question T/F-T/F question, one on each of the anomalies)

Q1: ___________ (fusion or concrescence) is a condition when two roots combine into one crown, is the union of two adjacent tooth germs, and always involves dentin
Q2: _______________ (fusion or concrescence) is the superficial union of roots or approximating teeth by way of the deposition of only cementum.

A1: Fusion
A2: Concrescence




- KNOW THESE TWO DEFINITIONS COMPLETELY

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SLIDE 19: INCISAL ASPECT OUTLINES AND ANATOMY: PERMANENT MEXIALLY CENTRAL INCISOR: (Fill in the blank question)

Q1: The crest of the cingulum (greatest curvature on the lingual) is ____________ (slightly distal or mesial) to the mesiodistal bisecting plane of the crown.
Q2: The FACIAL SURFACE OUTLINE between the MESIOFACIAL and DISTOFACIAL line angles is _____________ (relatively straight or convex)

A1: SLIGHTLY DISTAL
A2: RELATIVELY STRAIGHT

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SLIDE 20: PERMANENT MAXILLARY CENTRAL AND LATERAL INCISORS -- Summary of comparisons and contrasts (differentiation)

Q: What can be used to distinguish between the two incisors:
1) Can size?
2) Angularity?
3) Root curvature?
4) The crests of cingulum?
5) Presence of lingual fossa



CAN use to differentiate
1: size: YES
2: angularity: YES
3: root curvature: YES

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CAN not use to differentiate
4: crests of cingulum on both incisors are offset to the distal: NO
5: presence of lingual fossa: NO