Primary Dentition II (Ye's Version) Flashcards by Pickle Rick

Q

Primary: maxillary 1st molar resembles a?

A

Permanent PREMOLAR

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Q

Primary: maxillary 2nd molar resembles a?

A

Permanent Maxillary 1st molar

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Q

Primary Mandibular 1st molar resembles a?

A

DOES NOT resemble any other tooth?

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Q

Primary mandibular 2nd molar resembles a?

A

Permanent mandibular 1st molar

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Q

Primary Maxillary 1st Molar: resembles

Tooth crown resembles a _______

A

Premolar

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Q

Primary Maxillary 1st Molar: resembles

______ roots: 2 buccal, 1 lingual

A

3

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Q

Primary Maxillary 1st Molar: resembles

_______ shaped occlusal surface

A

Triangular

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Q

Primary Maxillary 1st Molar: resembles

How many cusps?

A

3 or 4

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Q

Primary Maxillary 1st Molar: resembles

if it has 3 cusps? 2 facial and 1 lingual
if it has 4 cusps? 2 facial and 2 lingual

A

In Q

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Q

Primary Maxillary 1st Molar: Buccal view

_______ cervix relative to width of crown

A

NARROW

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Q

Primary Maxillary 1st Molar: Buccal view

Cusps ______ -defined

A

Poorly

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Q

Primary Maxillary 1st Molar: Buccal view

Much _______ tooth than primary maxillary 2nd molar - almost premolar like

A

Smaller

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Q

Primary Maxillary 1st Molar: Buccal view

MB cusp is _______ than DB cusp

A

Larger

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Q

Primary Maxillary 1st Molar: Buccal view

Roots are ______, ______, and ______ spread

A

Long, slender, WIDE

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Q

Primary Maxillary 1st Molar: Buccal view

How many roots are VISIBLE?

A

All 3

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Q

Primary Maxillary 1st Molar: Buccal view

Root trunk is _______

A

Short (CEJ to FURCATION)

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Q

Primary Maxillary 1st Molar: Buccal view

How many buccal roots?

A

2 buccal roots

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Q

Primary Maxillary 1st Molar: Lingual view

Crown converges toward the ________

A

Lingual

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Q

Primary Maxillary 1st Molar: Lingual view

How many cusps? if it has multiple how which one is larger?

A

1 or 2
ML > DL

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Q

Primary Maxillary 1st Molar: Lingual view

_____ cusp is the largest and longest cusp on this tooth

A

ML

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Q

Primary Maxillary 1st Molar: Lingual view

_____ cusp small or absent. One lingual root - largest root.

A

DL

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Q

Primary Maxillary 1st Molar: Lingual view

How many lingual roots?

A

One. It’s the LARGEST too

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Q

Primary Maxillary 1st Molar: MESIAL AND DISTAL views

Crown is _______ in the cervical 1/3

A

Widest

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Q

Primary Maxillary 1st Molar: MESIAL AND DISTAL views

Crown is narrower on the _______ (buccolingually) than on the _______

A

Distal than mesial

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Primary Maxillary 1st Molar: MESIAL AND DISTAL views Very prominent _________ on the MB aspect of the tooth. OUTSTANDING CHARACTERISTIC

CONVEXity

Primary Maxillary 1st Molar: Occlusal view Roughly _______ in outline, with the broad base buccally.

Triangular

Primary Maxillary 1st Molar: Occlusal view ____ cusp is the largest, longest, and sharpest

ML

Primary Maxillary 1st Molar: Occlusal view ____ cusp is smallest and may be absent

DL

Primary Maxillary 1st Molar: Occlusal view Occlusal surface has: - cantral fossa -mesial triangular fossa, distal triangular fossa -central, buccal, and distal developmental grooves - mesial pit and central pit -oblique ridge connecting ML to DB cusps

in Q

Primary Maxillary 2nd Molar: Resembles permanent ___________

Maxillary 1st molar

Primary Maxillary 2nd Molar: _______ in outline

Rhomboidal

Primary Maxillary 2nd Molar: What 4 cusps?

ML, MB, DB, DL cusps

Primary Maxillary 2nd Molar: Has accessory cusp - ___________

Tubercle/cusp of carabelli

Primary Maxillary 2nd Molar: Contains an _______ ridge

Oblique

Primary Maxillary 2nd Molar: Same fossae and grooves as permanent 1st molar

In Q

Primary Maxillary 2nd Molar: How many roots? What are they?

3 roots: MB, DB, and L

Primary Maxillary 2nd Molar: Comparison with permament Primary trifurcation is _______ to CEJ. meaning a ______ root trunk

CLOSE; Short

Primary Maxillary 2nd Molar: Comparison with permament Primary cervix is _________ MD compared to the MD diameter at the contact points.

NARROWER

Primary Maxillary 2nd Molar: Comparison with permament These teeth may be confused clincically. The deciduous maxillary 2nd molar is ______

Smaller

Primary Mandibular 1st molar: Does it resemble any other tooth?

NO

Primary Mandibular 1st molar: How many cusps? What are they?

4: MB, ML, DB, DL

Primary Mandibular 1st molar: How many roots?

2 roots (MESIAL AND DISTAL) just like permanent mandibular molars

Primary Mandibular 1st molar: Buccal view Crown height on mesial is ______ that of distal

Twice

Primary Mandibular 1st molar: Buccal view CEJ tips ______ on ______

apically on the mesial

Primary Mandibular 1st molar: Buccal view Mesial contour is ________

Straight/flat

Primary Mandibular 1st molar: Buccal view Distal is markedly ________

Convex

Primary Mandibular 1st molar: Buccal view How many buccal cusps?

2

Primary Mandibular 1st molar: Roots are _________ and _______ splayed

Slender; Widely

Primary Mandibular 1st molar: Buccal view Extremely prominent MB _________

Convexity

Primary Mandibular 1st molar: Buccal view Prominent _______ line angle

MB

Primary Mandibular 1st molar: Buccal view Prominent ______ cervical ridge

MB

Primary Mandibular 1st molar: Lingual view _____ and ____ cusps

ML and DL cusps

Primary Mandibular 1st molar: Lingual view ______ cusp is centered in the tooth (very important)

ML cusp

Primary Mandibular 1st molar: Lingual view ML cusp is in line with the ______ root

Mesial

Primary Mandibular 1st molar: Lingual view ____________ is very well-developed and looks almost like another cusp.

Mesial marginal ridge

Primary Mandibular 1st molar: Mesial and Distal views Extreme ________ buccally on the MB cusp

Convexity

Primary Mandibular 1st molar: Mesial and Distal views __________ buccal surface especially when viewed from the mesial.

Flattened

Primary Mandibular 1st molar: Mesial and Distal views _________ appearance of the mesial root

Rectangular

Primary Mandibular 1st molar: Mesial and Distal views _______ root tapers at the apex

Distal

Primary Mandibular 1st molar: Occlusal view _________ in outline

Rhomboidal

Primary Mandibular 1st molar: Occlusal view How many cusps? what are they

4 cusps. ML, MB, DL, and DB

Primary Mandibular 1st molar: Occlusal view cusp is the largest and centered in the lingual aspect.

ML

Primary Mandibular 1st molar: Occlusal view Mesial and distal triangular fossae joined by the __________________-

Central developmental groove

Primary Mandibular 1st molar: Occlusal view Mesial and central _____

Pit

Primary Mandibular 2nd molar: Closely resembles the permanent ______________

Mandibular 1st molar

Primary Mandibular 2nd molar: How many cusps? What are they?

5 cusps: 3 buccal/2 lingual

Primary Mandibular 2nd molar: 3 buccal cusps are _______ in size

equal

Primary Mandibular 2nd molar: ______ cusp is larger compared to the permanent mandibular 1st molar

Distal

Primary Mandibular 2nd molar: 2 lingual cusps _____ in size

Equal

Primary Mandibular 2nd molar: Comparison with permanent mandibular 1st molar Bifurcation of root is ______ to CEJ

Close

Primary Mandibular 2nd molar: Comparison with permanent mandibular 1st molar Roots are ______

Flared

Primary Mandibular 2nd molar: Comparison with permanent mandibular 1st molar 3 buccal cusps _______ in size

Equal

Primary Mandibular 2nd molar: Comparison with permanent mandibular 1st molar Cervical ________

constriction

Other important facts: What is primate space?

Space that exists mesial to the primary max canine and distal to the primary mandibular canine in some decidous dentitions. named after an equal space found in primate dentition

Other important facts: What is the leeway space?

Combined MD widths of permanent premolars and permanent canine is less than the combined MD widths of the primary molars and primary canine.