CH 3&4 Flashcards by DeEssence Harvey

The mesial surface of the canine is in contact with the distal surface of the _____

lateral incisor

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What is the longest teeth in each arch?

canines

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Function of canines?

tear food

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prominent labial ridge of the canine is more prominent on which arch?

Maxillary

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prominent labial ridge of the canine is more prominent on which arch?

Maxillary

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Which canine has a sharper cusp angle?

Maxillary canine is more acute (sharper) while Mandible cusp angle is more blunt

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Mesial cusp ridge of the canine is shorter than distal cusp ridge.
True or false.

True

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Convex?

Concave?

Convex= rounder
Concave= caved in

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How many lobes does the canine develop have?

3 facial, 1 lingual= 4

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The mandibular canine appears longer and narrower than the crown of the maxillary canine?
True or False

True

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The mesial contact area of the maxillary canine is located at the ____

junction of the incisal and middle thirds

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The distal contact area of the maxillary canine is located at the _____. And it touches what tooth?

middle third.

first premolar.

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The mesial contact area of the mandibular canine is located at the ____

Incisal third

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Does canines have cingulums?

yes

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The distal contact area of the mandibular canine is located at the _____

junction of the incisal and middle third

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Labial view?

The facial view of anterior teeth (incisors and canines)

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Proximal view?

Side view

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Occlusal surface?

chewing surface

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Lingual view?

Towards tongue

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Mesial and Distal side of canines has root depressions. Which side is deeper?

Distal has a deeper depression than mesial

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Which premolar has the Mesial cusp ridge of the buccal cusp longer than the distal cusp ridge.

Maxillary first premolar

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Which premolar has a nonfunctioning lingual cusp?

Mandibular first premolar

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Two premolars that most frequently have a groove crossing the mesial marginal ridge or one groove just lingual to it.

Maxillary first premolar, Mandibular first premolar

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Which premolar has a depression in the cervical one third of the mesial side of the crown and root?

Maxillary first premolar

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Which maxillary premolar has the longer sharper buccal cusp?

Maxillary first premolar

Which is the largest maxillary premolar?

Maxillary first premolar

Which mandibular premolar has the longest and sharpest buccal cusp?

Mandibular first premolar

Maxillary premolar that is most symmetrical (occlusal view)

Maxillary second premolar

Two premolars without a central groove?

Mandibular first AND second premolar

First mandibular premolar has a prominent transverse ridge.

True

Which teeth are likely to have their Crowns tipped lingually with respect to the root axis line (proximal view)?

Mandibular first AND second premolars

From buccal view, crown is tipped distally from the root axis?

Mandibular first AND second premolars

Mesial marginal ridge is more cervically located than its distal marginal ridge?

Mandibular first premolar

Which premolar has no transverse ridge?

Mandibular second premolar

Which premolar has the longest central groove?

Maxillary first premolar

Which premolar has two major cusps almost the same size and length?

Maxillary second premolar

Which premolar is most likely to have two roots?

Maxillary first premolar

Crest of curvature on a premolar?

cervical third

Mesial marginal ridge cuts through the central groove.

true

What makes up the occlusal table?

Cusps and ridges

A depression found on the lingual surface of a canine bounded by the lingual ridge, distal cusp ridge, distal marginal ridge, and distal third of the cingulum is called a _____ ______.

distolingual fossa

Whats the ONLY single rooted tooth has three cusps?

Mandibular second premolar

One permanent premolar has a pronounced concavity on the cervical part of the crown. Which premolar and which surface is this?

Mesial surface of the maxillary first premolar

When considering all premolars, which cusp is least developed?

Lingual cusp of the mandibular first pre molar

Which type of premolar is most likely to have separate mesial and distal pits with a pronounced transverse ridge but without a distinct central groove (so carious pits are often restored separately)?

Mandibular first premolar

Which premolar has a central fossa and two triangular fossae.

Mandibular second premolar (three-cusp)

The crown of the permanent maxillary canine is ________the crown of the permanent mandibular canine.

Shorter than

When viewed from the facial, what is the geometric shape of a premolar?

Pentagon shape

Compared to a maxillary first premolar, a maxillary second premolar is most likely to exhibit:

A shorter central groove

With the long axis of the tooth vertical, which ridge is most nearly horizontal?

A mesial cusp ridge of the mandibular

When holding an extracted maxillary and mandibular canine from the same mouth, which characteristic(s) can be used to distinguish the maxillary canine?

The cusp of the maxillary canine is more pointed

Two premolars that most frequently have a groove crossing the mesial marginal ridge or one groove just lingual to it.

Maxillary first premolar AND mandibular first premolar

A Y-shaped occlusal groove pattern is characteristic of a:

Mandibular second premolar

Which of the following teeth is most likely to have a central fossa and a lingual groove?

Mandibular second premolar

Which posterior tooth is MOST likely to have a mesial longitudinal root depression more prominent than the distal root depression?

Maxillary first premolar

The mandibular second premolar often exhibits a linear depression extending lingually from the central pit, separating the two lingual cuspsAns: This linear depression is known as the _______ ______.

Lingual groove

From the proximal view, which premolar most closely resembles a canine?

Mandibular first premolar

If a mandibular second premolar has three cusps, what are they called?

mesiolingual, distolingual, buccal

Which premolar has two major cusps almost the same size and length?

Maxillary second premolar

Which is the largest maxillary premolar?

Maxillary first premolar

On an unworn permanent canine (maxillary or mandibular), the distal cusp ridge is slightly__________ than the mesial cusp ridge.

longer

When the maxillary first premolar has more than one root, which description applies?

There are normally two roots: a facial and lingual

The transverse ridge extends as a continuous elevation in a buccolingual direction to unite the ______ ______ of the buccal and lingual cusps of a mandibular first premolar.

Triangle ridge

Which anterior tooth has a mesial cusp slope that is more nearly horizontal?

Mandibular canine

What is a fossa?

A depression or concavity on an area of the crown of the tooth

CH 3&4 Flashcards

Canines and premolars