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DENTAL ANATOMY YEAH YEAH > THE FINAL COUNTDOWN-Part I (Primary's and Rando's) > Flashcards

THE FINAL COUNTDOWN-Part I (Primary's and Rando's) Flashcards

1
Q

Which anatomy is constructed first: positive or negative?

A

Positive (convex/raised) constructed first, then displays negative anatomy

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2
Q

What are type of ridges are ONLY found on posterior teeth and extend from a cusp tip to the central part of the occlusial surface?

A

Triangular Ridges

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3
Q

When does CALCIFICATION of PRIMARY teeth begin?

A

13-16 weeks in utero!

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4
Q

What is the order of calcification of the primary teeth? FOCUS especially on first and last!

A

(FIRST)Central Incisors>(JUMP)>1st molar>Lateral Incisor>Canine>2nd Molar (LAST)

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5
Q

When have all the primary teeth at least initiated calcification?

A

18-20 weeks in utero

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6
Q

Which primary teeth form from only ONE center of calcification (1 lobe)? Are there mamelons present? Are there developmental depressions evident?

A

Primary Anteriors….NO mamelons…NO developmental depressions evident

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7
Q

Speaking of calcification: Which Permanent teeth are initiating calcification from birth to 1 year of age? (1st Class)

A

Don’t worry too much about order: 1st Molars–>Centrals—>Canines–>Laterals

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8
Q

Which “group 2” permanent teeth are calcifying from 2 to 4 years of age?

A

PreMolars and Second Molars

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9
Q

What are the Third and final group of permanent teeth to calcify? WHEN do they begin by?

A

the WIZZYs by 9 years of age

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10
Q

Concerning Mammalian Phylogenic Development: What classification of cusp forms do humans have? What shapes are involved?

A

Quad-Ri-Tuber-Cular Molars: 4 cusps in a rectangular or rhomboid form

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11
Q

Physiological Tooth Form: What are the only teeth in occlusion to only contact 1 opposing tooth? (Also, can you draw the occlusion chart???

A

Man Central Incisor and Max 3rd Molar

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12
Q

Mandibular Arch-Heights of Curvature of the Cervical Line! The Cervical Line curves in a _______ direction on the _______ surfaces of the tooth.

A

Coronal….Proximal

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13
Q

Mandibular Arch-Heights of Curvature of the Cervical Line! The measurement is from the lowest point at the ________ to the highest point in the middle of the _______ surface.

A

cervical line….proximal surface

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14
Q

Mandibular Arch-Heights of Curvature of the Cervical Line! WHICH teeth have the most measurable curvature?

A

Anterior Teeth!

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15
Q

Mandibular Arch-Heights of Curvature of the Cervical Line! Which teeth have little or no curvature?

A

Molars

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16
Q

Mandibular Arch-Heights of Curvature of the Cervical Line! Which proximal surface ALWAYS has the GREATEST curvature?

A

the MESIAL!

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17
Q

Mandibular Arch-Heights of Curvature of the Cervical Line! What is the LARGEST Cervical Line Curvature in mm, which tooth, and Which proximal surface??

A

MANDIBULAR central….3.0mm…Mesial(DUH)

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18
Q

Mandibular Arch-Heights of Curvature of the Cervical Line! What is the DISTAL cervical line curvature on the mandibular central incisor in mm?

A

2.0mm(compared to 3.0mm on the mesial!)

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19
Q

Which PDLs are located in the cervical third of the crown and root that influence ROTATION of a tooth within the alveolus?

A

Circular(Circumferential)

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20
Q

Embrasures: What is the largest embrasure in the maxilla?

A

Distal of Canine and Mesial of 1st PM

21
Q

Embrasures: What is the smallest embrasure in the POSTERIOR maxilla? (what is the smallest embrasure in the whole maxilla?

A

Distal of 1st Molar and Mesial of 2nd Molar (smallest in whole maxilla is the midline)

22
Q

Tooth Form Generalizations: ______ portions of crowns are generally more developed than the ______.

A

Mesial more developed than distal

23
Q

Tooth Form Generalizations: _____ cusps are larger then _____ cusps.

A

Mesial are larger then distal

24
Q

Tooth Form Generalizations: The Mesial marginal ridges are usually ______ than distal Marginal ridges…WHAT IS THE EXCEPTION??

A

taller….EXCEPT for the MANDIBULAR FIRST PM

25
Q

Tooth Form Generalizations: All molars TAPER in what proximal directions?

A

Mesial—->Distal (MesioDistally)

26
Q

Tooth Form Generalizations: All teeth taper faciolingually EXCEPT…(hint: 2 teeth)

A
  1. Maxillary 1st Molar 2.Y-grooved Mandibular 2nd PM
27
Q

Root positionings and angulations: Molar roots of primary teeth _____ markedly and ____ out rapidly as the apices are approached.

A

FLARE….thin

28
Q

Root positionings and angulations: Primary roots are ______ and _____ when compared to crown width and length.

A

Narrow and Long

29
Q

Primary Mandibular Canine-Facial View: It is very similar in form and size to the maxillary canine, except that the specific anatomy is _________.

A

LESS DEVELOPED

30
Q

Primary Mandibular Canine-Facial View: The crown may be ___mm shorter and the root ___mm shorter than the maxillary canine.

A

crown 0.5mm……. root 2.0mm (woah)

31
Q

Primary Mandibular Canine-Facial View: Where is the cusp tip positioned? What does this do to the M and D cuspal ridges? How does this compare to the Maxillary Canine??

A

MESIAL to the center….Longer Distal cuspal ridge than Mesial….It is OPPOSITE to the Maxillary!

32
Q

Primary Mandibular Canine-Facial View: Is the root tip curved? If so what direction?

A

Nope it’s snot.

33
Q

Primary Mandibular Canine-Facial View: The ______ outline of the crown is STRAIGHT and the _______ outline is CONVEX.

A

MESIAL=STRAIGHT……DISTAL=CONVEX

34
Q

Primary Mandibular 1st Molar-Occlusial View:::What is the crown outline shape??

A

Rhomboidal!

35
Q

Primary Mandibular 1st Molar-Occlusial View::: Primary mandibular molars are WIDER ________ than they are ________.

A

WIDER MESIODISTALLY than they are faciolingually

36
Q

Primary Mandibular 1st Molar-Occlusial View::: Which line angle is really prominent?

A

MesioFacial line angle (really awkwardly shaped in that area!)

37
Q

Primary Mandibular 1st Molar-Occlusial View::: What is the order of CUSP size from LARGEST to smallest?

A

Largest: MF—->ML—>DF—->DL(smallest)

38
Q

Primary Mandibular 1st Molar-Occlusial View::: What are the three developmental grooves?

A
  1. long Central 2. short Facial 3. (really) short Lingual
39
Q

Primary Mandibular 1st Molar-Occlusial View::: What are the three fossae present?

A

1.Central 2.Mesial Triangular 3.Distal Triangular

40
Q

Primary Mandibular 1st Molar-Occlusial View::: Which two directions does the crown CONVERGE?

A

the Lingual and the Distal (pretty standard for all teeth!)

41
Q

Which tooth does not resemble ANY other tooth known to man? (permanent OR primary)

A

The Primary Mandibular 1st Molar

42
Q

Primary Mandibular 2nd Molar-Facial View= Which PERMANENT tooth does this crown resemble?

A

The perm mand 1st molar

43
Q

Where are the contact areas (which 1/3) of a Primary Mandibular Second Molar?

A

Middle Third

44
Q

Primary Mandibular 2nd Molar-Facial View=HOW many cusps are you able to see!!??

A

5 yo!

45
Q

Primary Mandibular 2nd Molar-Facial View=How would you describe the sizes of the Facial cusps?

A

All close to the same size

46
Q

Primary Mandibular 2nd Molar-Facial View= How many facial developmental grooves do you see?

A

2—>MF and DF

47
Q

Primary Mandibular 2nd Molar-Facial View=Is the cervical line straight across?

A

NO—it has an APICAL DIP in the area of the Bifurcation (about the middle)

48
Q

Primary Mandibular 2nd Molar-Facial View=How many roots are there on this tooth?

A

2—Mesial and Distal

49
Q

Which is larger: Primary Man 1st Molar or Primary Man 2nd Molar?

A

Primary Man 2nd is larger then the 1st

DENTAL ANATOMY YEAH YEAH (9 decks)

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