Term
| Maxillary Central Incisors(8 & 9) |
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Definition
-Widest tooth mesially distally
-crown is symmetrical
-greatest CEJ on mesial side
-lingual fossa and cimgulam(lies distally)
-marginal ridges
-single conical root
-mesial incisal edge sharper than distal |
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Term
| Maxillary Lateral Incisors(7 & 10) |
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Definition
-Lingual features more prominent
-single conical root
-greater root length than centrals
-centered cingulum
-root slopes distally
-contact more cervical than centrals |
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Term
| Mandibular Central Incisors(24 & 25) |
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Definition
-smallest tooth in the mouth
-bilatterally symmetrical
-lingual features not as prominent as maxillary
-single, ribbon shaped root
-proximal root depression
-root is longer than crown
-incisal edge is straight
-cingulum is centered |
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Term
| Mandibular Lateral Incisors(23, 26) |
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Definition
-crown tilts distally
-slopes down distally, appears tilted distally
-cingulum lies distally
-single ribbon shaped root with proximal depressions
-mesial edge sharper and higher
-not straight incisal edge
-lingual features more prominant |
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Term
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Definition
-short mesial slope
-prominent lingual surface-2 fossae(caused by lingial ridge, which are caused by prominant buccal cingulam)
-middle lobe centered
-longest root of any tooth, sets face shape
-root has depressions
-root broad, helps to anchor
-proximal root depression
-prominant cingulam |
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Term
| Mandibular Canines(22, 27) |
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Definition
-lingual features(cingulam) not as prominment
-shorter mesial slope
-mesial depression in root
-2 lingual fossae
-single rooted(maybe 2 if abnormal)
-cingulam leans distally |
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Term
| Maxillary 1st premolar(5, 12) |
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Definition
-2 functional cusps(bussal and lingual)
-Buccal cusp is longer
-mesial slope longer than distal
-mesial surface of tooth has a depression that comes down from the root
-2 roots, bifrucated
-2 pits(mesial and distal)
-has mesial, marginal groove
-lingual cusp offset towards mesial |
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Term
| Maxillary 2nd premolars (4, 13) |
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Definition
-smaller than 1st premolar
-2 cusps EQUAL IN SIZE(buccal and lingual)
-cusps rounder
-single rooted
-cant see occlusal surface from mesial side
-grooves shorter
-LINGUAL CUSP LEANS SLIGHTLY MESIAL |
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Term
| Mandibular 1st prmolars (21, 28) |
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Definition
-smaller than second
-3 facial lobes form buccal cusp, 4th lobe forms lingual cusp(not functional and too small)
-MAJOR GROOVES: Mesial lingual groove
-1 root
-2 pits(mesial and distal)-SNAKE EYES
-shorter mesial slope |
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Term
| Mandibular 2nd premolar(20, 29) |
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Definition
-3 cusps, 2 lingual, one facial(maybe 2)
-lingual cusp: Mesial side more developed
-larger mesial lingual cusp than distal lingual cusp
-no transverse ridges
-1 root
-shorter mesial slope |
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Term
| Maxillary 1st Molars(3, 14) |
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Definition
-5 cusps(ML, MB, DB, DL, and cusp of Carabelli-Mesial lingual side)
-has transverse groove(has 6 total grooves)
-buccal side has groove that goes into side of tooth
-has oblique ridge
-largest tooth in maxillary arch
-3 roots(DB, MB, lingual)
-straight CEJ but greater curvature on mesial side |
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Term
| Maxillary 2nd molars(2,15) |
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Definition
-smaller than 1st molar
-4 cusps(ML, MB, DB, DL)
-occlusal outline more heart shaped
-oblique ridge
-3 roots(DB, MB, Lingual)-more flared
-has more supplemental grooves
-see less occlusal table mesially
-MB cusp bissest
-has oblique ridge
-has buccal groove, distal lingual groove, central groove and transverse groove |
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Term
| Mandibular 1st Molars(19, 30) |
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Definition
-wider M-D than B-L
-5 cusps(MB, DB, D, ML, DL)
-2 roots(mesial, which is bigger and has 2 canals, and distal)- not flared
-no transverse ridges
-2 lingual cusps(same size)
-has central, lingual, mesial buccal, and distal buccal groove(very prominant, shows on tooth)
*ONLY POSTERIOR TOOTH WITH 5 CUSPS*
-BUCCAL GROOVE ON TOOTH
-MESIAL ROOT LONGER THAN DISTAL |
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Term
| Mandibular 2nd Molar(18, 31) |
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Definition
-4 cusps(MB, ML, DB, DL)-all mostly equal in size
-Grooves that form a cross
-2 roots(mesial, which has 2 canals, and distal)
-2 transverse ridges
-wider MD than BL
-lingual cusps longer
-lingual groove on side of tooth |
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Term
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Definition
1.On anterior teeth, mesial incisal edge is sharper than distal incisal
2.On posterior teeth, distal buccal cusp slope is longer than mesial EXCEPT maxillary ist premolar
-mesial CEJ is deeper than distal
-mandibular molars more square and bifricated
-maxially molars are more oval and trifricated
-all maxillary molars have oblique ridges
-Marginal ridges always higher mesially than distally
-All mandibular teeth lean lingually
-Height of contour on posterior teeth is lower buccally than lingually |
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Term
| Do mandibular or maxillary teeth tend to erupt first? |
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Definition
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Term
| Do females or males teeth tend to erupt faster? |
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Definition
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Term
| Which molar has no transverse ridges? |
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Definition
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Term
| Is enamel thinner in deciduous or permanent teeth? |
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Definition
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Term
| What permanent tooth do primary 1st molars represent? |
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Definition
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