Maxillary Incisors Flashcards
(43 cards)
__ incisors are wider mesodistially than faciolingually
Maxillary
__ incisors are wider FL than mesiodistally
Mandibular
__ anterior teeth have more defined Lingual anatomy than __ anterior teeth
- Maxillary
2. Mandibular
Max. Central: Facial
- Crown is longer __ than mesiodistally.
- M outline is __ with contact @ __
- D outline is more __ with contact @ __
- Mesio incisal angle=__ and Distal incisal angle=__
- inciso-gingivally
- Straight
- incisal 1/3
- More rounded than M
- jxn of incisal and middle third
- aprox. 90 degrees
- more rounded
Max. Central incisor is the widest __ of any of the anterior teeth
- Mesiodistially
Max. Central: Lingual
-__ than facial aspect mesio-distially due to __
- Narrower
2. Lingual taper
Max. Central: Mesial
- Crown is ___
- Bisecting line passes thru the center of the tooth will bisect __&__
- Facial & Lingual height of contour=__
- Due to the turn of the tooth along the arch.. all lingual convexities are ___
- CEJ
- wedge shaped
- Root apex
- incisal ridge (therefore inline w center of root)
- Cervical third
- Visible
- Mesial CEJ is most pronounced of all teeth
Max. Central: Distal
- Prox. Contact area= more ___ positioned than M (@jxn of incisal & middle thirds)
- Due to the turn of the tooth along the arch, you see more of the ___ surface and ___ is NOT visible from distal
- cervically/Gingivally
- Facial
- Mesial Marginal ridge
Max. Central: Incisal
-___ outline
- Triangular outline
Max. Central: Root/ cervical x-section
- crown:root ration=__
- __ pulp canal
- X-section shows and external____ outline & pulp outline
- Many Max. Centrals have ___ canals
- 1:1 1/2
- ONE
- rounded triangular
- Accessory
Max. Lateral
- Erupts @ age:
- ___ variable than all teeth except 3rd molar
- Aka:__
- Root inclines___
- 8
- More
- Peg lateral
- distally
Max. Lateral: Facial
- exhibits ___ curvature than Max. centra
- incisal edge may slope ___ towards ___
- M contact: ___
- D contact: ___
- More
- Gingivally
- Distal
- jxn of incisal and middle third
- middle third
Max. Lateral: Lingual
- ___ pronounced lingual anatomy of all anteriors
- Crown tapers __
- Most… Cingulum, marginal ridges, fossa- more pronounced
- Lingual taper
Max. Lateral: Mesial
- Incisal edge is ___ over center of tooth
- Cingulum= more ___ than max central
- Centered
2. Convex
Max. Lateral: Distal
- Facial Contour is ____ rounded that Max. central
- ___ groove visible if present
- More rounded
2. Distal Lingual groove
Max. Lateral: Incisal
- More ___ outline Facially and lingually than central (i.e LESS __ looking)
- Prox. Contact area are in the __ of the ___third of crown & inline w/ incisal edge
- Marginal ridges and cingulum= __ prominent that max. central
- Cingulum is ___ centered compared to Max central
- Convex
- Less triangular
- Middle
- Middle
- more
- More
Max. Lateral: Cervical X-section
- __ outline
- wider ___ than ___
- Facial aspect= wider MD compared to __
- Ovoid outline(aswell as pulp)
- Facio-lingually
- Mesio-distially
- Lingual bc of Lingual taper
Radicular Grooves
mostly @ palatal(lingual) aspect of Max. Lateral w distal position predominating
Mandib. Central:
- Erupts @ age:
- narrowest & shortest of all perm. teeth
- crown: root ratio
- Can have 2 pulp canals
- age 6-7
2. 1:1
Mandib. Central: Facial
- Crown is bilaterally ___
- incisal edge is straight & __to long axis of tooth
- Root= short, conical and very narrow ___
- Bilaterally symmetrical
- perpendicular
- Mesio-distally
Mandib. Central: Lingual
-___ distinct Marginal ridges, L fossa and cingulum compared to Max. central
- Less
Mandib. Central: Mesial
- Incisal edge in relation to bisecting line:__
- Root is BROAD ____
- Root surface:___
- Slightly lingual to bisecting line
- Facio-lingually
- Developmental depression(deeper the concavity, m,ore likely 2 pulp canals)
Mandib Central: Incisal
- Bilat. symmetrical
- incisal edge is straight & __ to center
- Incisal edge is ___ to the facio-lingual bisecting line
- Wider ___ than ___
- ___ crown outline
- Cingulum= offset ___
- More of ___ surface seen when viewed from incisal b/c of ___
- Lingual
- perpendicular
- FL
- MD
- Triangular
- Distally
- Facial
- bc of incisal edge being slightly lingual to tooth center
Mandib. Central: Root/ Cervical x-section
- root=single, short, & straight
- root= narrow____ & broad ___
- X-section shape=___
- MD
- FL
3: Hour glass… Can see M&D developmental depressions