Language of Dentistry Flashcards
(91 cards)
1
Q
Towards the midline
A
Mesial
2
Q
Away from the midline
A
Distal
3
Q
Upper
A
Superior
4
Q
Lower
A
Inferior
5
Q
Looking at the way teeth move medial and laterally
A
Dynamic Occlusion
6
Q
Canine to canine
A
Anterior
7
Q
Premolar & molars
A
Posteriors
8
Q
Anterior & posterior movement
A
Potrusion
9
Q
Superior & inferior movement
A
Opening
10
Q
Towards the apex
A
Apical
11
Q
To the lips
A
Labial (anterior teeth)
12
Q
Tongue side
A
Lingual
13
Q
Bitting surface of anteriors
A
Incisal
14
Q
Toward cheeks
A
Buccal (posterior teeth)
15
Q
Towards palette on maxillary
A
Paletal
16
Q
Area where mesial and distal surfaces touch
A
Proximal
17
Q
Occlusal Surface
A
Posterior teeth
18
Q
Where two sides of a tooth meet in a line.
A
Line angle/ surface junction
19
Q
Surface junction or dimension?
Ex. Distolabial
A
Surface junction
20
Q
Surface junction or dimension?
Ex. Mesiobuccal
A
Surface junction
21
Q
Point angles, it’s a dimension, sides don’t meet.
A
Dimension
22
Q
Surface junction or dimension?
Ex. Mesiodistal
A
Dimension.
23
Q
Surface junction or dimension?
Ex. Buccolingual
A
Dimension
24
Q
Looking at the teeth from the front overall is a ____ view
A
Facial View
25
Looking at the teeth bitting from the side is an overall ___ view
Lateral view
26
Looking at either upper or lower from above is a ____ view
Occlusal view
27
How many views do you split each side of a tooth into?
3 views
28
Distal 3rd, middle 3rds, mesial 3rds
what side(s) of the tooth are you looking at?
Facial; labial or buccal view
29
Lingual 3rd, middle 3rds, Labial 3rd
what side(s) of the tooth are you looking at and is it posterior or anterior?
Mesial or distal view on an Anterior
30
Lingual 3rd, middle 3rds, Buccal 3rd
what side(s) of the tooth are you looking at and is it posterior or anterior?
Mesial or distal view of a posterior tooth.
31
What three sections do you split the root of the tooth into?
cervical 3rd, middle 3r, apical 3rd
32
Cervical 3rd, middle 3rd, Occlusal 3rd
what side(s) of the tooth are you looking at and is it posterior or anterior?
Buccal or lingual view on a posterior
33
Ratio of the length of the root to the length of the crown or vice verse.
root/crown
Root to crown ratio
34
What does a small root to crown ration mean? ~1
Length of the crown and the root are similar
35
What does a small root to crown ration mean? <1
Smaller root than crown
36
If you were conducting a bridge prep and try to know if a tooth was a good candidate to be an anchor, how would you use the root to crown ratio to deduce candidacy of the tooth?
Small ratio= short root= bad anchor
Large ratio= long root= good anchor
37
Most cusps are named after what?
Closest tooth surface or line angle
38
Arms that come off a cusps, they portrude are called?
Cusp ridge/arm
39
Ridges that form the mesial and distal borders of the lingual surfaces on anterior teeth
and the mesial and distal borders of occlusal surfaces on posterior teeth.
Marginal Ridge
40
Two ridges from one ___ or ____ ridge
Transverse or oblique
41
Anterior Canines have what ridges?
Labial ridge
Lingual ridge (subtle)
42
Outline formed by connection of all the ridges. Bound by 6 ridges. Chewing surface
Occlusal table
43
Outline surrounding the entire tooth when looking at it occlusal.
Occlusal Outline
44
A bulge on the cervical third of anterior teeth. Normally where marginal ridges converge.
Cingulmum
45
A ridge or bulge running mesiodistally in the cervical one third of the facial surface of crown (permanent molars)
Buccal Cervical Ridge; height of contour
46
Three small bulges or tubercles on the incisal edges of newly erupted incisors. Usually wear off with age.
Mamelons
47
Horizontal ridges on the enamel surface. Form from overlapping of layers of enamel lade down during tooth formation.
Perikymata
48
broad V-shaped depression or valley on the occlusal surface of each posterior teeth running mesiodistally between the buccal and lingual cusps
Sulcus/Groove
49
Major developmental, main large groove running m-d.
Separates the buccal & lingual cusps.
Central Groove
50
Multiple depression, shallow saucer like depressions.
Fossa
51
Groove that branches of central, onto the buccal and lingual cusps.
Fossa Groove
52
Marginal ridge groove and extra grooves are both what?
Minor (supplemental) groove.
53
How are grooves named?
For the the surface or line angle the aim towards!
54
Found at the depth of fossae and grooves caused by the incomplete fusion of enamel during tooth development
Grooves & Pits
55
Decay forms easily in what?
Grooves & Pits
56
Maxillary canines may have two ____ fossae separated by a ____ ridge
2 lineal fossae separated by a lingual ridge.
57
____ (tooth type) especially maxillary, have one broad shallow fossa.
Inscisors
58
_____ anterios have no pits but fossa is there.
Mandibular anteriors
59
Two-cusps pre-molars have ___ fossa's in the ___ and ___
2 Cusps pre-molars:
2 Fossa, 1 mesial 1 distal
60
3-cusped pre-molars & most molars have ___ fossa's in the ___, ____, and ___, with pits of same name
3 fossas
Mesial distal, central fossa
61
Common location fro pit:
___ on posteriors
Occlusal
62
Common location for pit:
___ on maxillary mollars
Lingual
63
Common location fro pit:
___ on mandibular
Buccal
64
Common location fro pit:
___ on maxillary incisors
Lingual
65
Location on the tooth where enamel meets the cement
Cementoenamel junction (CEJ)
66
Area on tooth where roots split
Frucation
67
CEJ on proximal view curves ____/_____
Occlusa/ incisal, (like a bowl)
68
CEJ on facial view curves toward ____
Root apex (an arch)
69
V-shaped depression formed by the continuation of the sulcuses of adjacent posterior teeth in a quadrant.
Sulcular Groove
70
Anteroposterior curve of Spee
The occlusal.
71
Maxillary curve of spee & mediolateral curve are:
Convex U
72
Mandibular curve of spee & mediolateral curve are:
Concave (an arch)
73
When a line connects the buccal and lingual cusps of the same type of molars and premolars on opposite sides of the arch, this side-to-side curve
Mediolateral Curve of Wilson
74
An imaginary line that divides the root and tooth into mesial and distal, or into facial and lingual)
Mid-Root axis line
75
Greatest bulges on the facial/buccal & lingual surfaces.
Crest of Curvatures
76
Mandibular molars have the mid root axis tipped ___
Lingually
77
Importance of the height right height of contour?
Prevents food impaction in the gingiva.
78
___ ____ protect gingiva from food impaction as well, need to be in the right spot
Contact areas
79
Proximal heights of contour
Contact Areas
80
Spaces between teeth
Diastema
81
When looking facially:
In terms of proximal contacts: As you are closer to the mesial they are located more ___.
Contact more distal are located more ___
Mesial= more insical
Distal= More cervical
82
When looking occlusal:
They are more ____ to the central line
More buccal
83
continuous space that surrounds each contact area can be divided into four somewhat triangular
Embrasure Spaces
84
What are the 4 kinds of embasures
-Facial, Buccal (wider)
-Inscial/occlusal & Cervical (normally covered by gums)
85
Which of the following bumps or ridges is NOT likely to be found on a maxillary premolar?
Oblique ridge & Cingulum
86
Which ridges help to surround the perimeter of the occlusal surface (occlusal table) of a two-cusped premolar?
-Mesial marginal ridge
-Distal marginal ridge
-Mesial cusp ridge of the buccal cusp
-Distal cusp ridge of the lingual cusp
87
On a two-cusped premolar, which ridges meet to form a transverse ridge?
-Triangular ridge of the lingual cusp
-Triangular ridge of the buccal cusp
88
Which of the following is (are) NOT a cusp found on three-cusped type premolars?
-Mesiobuccal
-Distobuccal
89
What is the correct order of anatomic landmarks of a tooth with two roots from the cementoenamel junction to the root tip?
Cervix, trunk, furcation, apex
90
When viewed from the proximal views, what is the location of the greatest bulge (crest of curvature or height of contour) on the facial surface of all teeth?
Cervical third
91
Which space(s) contain(s) the part of the gingiva known as the interdental papilla?
Cervical embrasure
Interproximal space
