Examen I Flashcards
(112 cards)
1
Q
Which two surfaces of a tooth CANNOT be “proximal”? What are the axial surfaces?
A
Facial & Lingual..Axial Surfaces=F,L,M,D
2
Q
What is the oblique ridge ALSO referred to? What two cusps are making this guy?
A
A “special kind” of Transverse ridge. ML cusp—>DF cusp
3
Q
What is a depression/valley/space on the surface of a tooth between two ridges? What is at the bottom of this space?
A
A SULCUS…..A GROOVE
4
Q
What is the LAST PRIMARY tooth to calcify? What WEEK in utero does the late guy calcify?
A
Maxillary 2nd molars…19 weeks
5
Q
What are the FIRST primary teeth to exfoliate? WHEN?
A
BOTH mandibular and maxillary Central Incisors…6.5 Years (SO just as the first permanent teeth are coming in!)
6
Q
What is the LAST primary tooth to peace out? WHEN? WHAT is it REPLACED by?
A
Maxillary Second Molars….11 yrs…Replaced by Perm Max 2nd PreMolar
7
Q
What are the first permanent teeth to erupt? WHEN?
A
The Max AND Man 1st molars..6yrs
8
Q
What ARE the permanent TEETH to complete their root formation FIRST? WHEN?
A
The Max AND Man 1st molars & MAN central incisors…9 years of age…makes sense, they are all the first teeth in..
9
Q
By what age have all permanent INCISOR tooth roots formed?
A
11 yrs
10
Q
What is the OVERDEVELOPMENT of either the distal cusp ridge of the ML cusp or the mesial cusp ridge of the DL cusp on a permanent mandibular molar?
A
Tuberculum Intermedium (Tuber=swelling, Tuberculum= small swelling)
11
Q
Plane of Occlusion: The IDEAL plane is NOT _____.
A
FLAT
12
Q
Plane of Occlusion: A flat plane allows for too many ______ on posterior teeth on both sides of the mouth.
A
Contacts
13
Q
Plane of Occlusion: The proper plane of occlusion will permit ________ functional contacts to occur in ________ areas of the dental arch.
A
simultaneous….controlled
14
Q
Plane of Occlusion: A ______ plane permits maximum use of tooth contacts during function.
A
Curved
15
Q
Plane of Occlusion: The teeth are strategically positioned in the arches at varied and coordinated degrees of ________.
A
inclination
16
Q
WHERE are the contacts for each mandibular anterior? M of Central:____ D of Central:_____ M of Lateral:_____ D of Lateral:____ M of Canine:_____ D of Canine:_____
A
M of Central:_Incisal___ D of Central:__Incisal___ M of Lateral:__Incisal ___ D of Lateral:__Incisal__ M of Canine:___Incisal__ D of Canine:__Middle___
17
Q
Height of Contour-Mandibular arch: All facial surfaces (in mm and 1/3)
A
0.5mm…cervical 1/3
18
Q
Height of Contour-Mandibular arch: Anterior teeth Lingual surface (mm and 1/3)
A
0.5mm…cervical 1/3
19
Q
Height of Contour-Mandibular arch: first premolar lingual surface (mm and 1/3)
A
0.5mm…middle 1/3
20
Q
Height of Contour-Mandibular arch: second premolar lingual surface (mm and 1/3)
A
0.75mm….middle 1/3
21
Q
Height of Contour-Mandibular arch: molar lingual surface (mm and 1/3)
A
1.0mm…..middle 1/3
22
Q
Oblique PDL fibers are known to resist _______ ________ of a tooth into the alveolus, consistent with many types of ______.
A
Forceful Impaction….Trauma
23
Q
________ fibers help maintain contiguous proximal contact.
A
Transseptal
24
Q
An EMBRASURE can exist, even in situations when there is a ________ between the proximal contact!
A
Diastema (its not necessary for the adjoining teeth to physically touch in order for embrasures to be exhibited)
25
In an ideal embrasure construct, every contact area produces how many embrasures?
4
26
Which tooth is the ONLY one with SMALLER LINGUAL embrasures then facial embrasures?
MAXILLARY first molar (crown tapers to the facial)
27
In the maxillary arch, the Facial embrasures are ______ then the Lingual Embrasures EXCEPT surrounding the ______ _______ _______!!!
F SMALLER then L...EXCEPT surrounding the MAXILLARY FIRST MOLAR (think TAPER...lingual is larger then facial so less lingual embrasure)
28
Concerning Primary VS Permanent Crowns: The enamel is relatively _____ & has consistent _______.
Thin.....depth
29
Concerning Primary VS Permanent Crowns: The _____ thickness between the pulp chambers & the enamel is LIMITED.
Dentin
30
Concerning Primary VS Permanent Crowns: The pulp horns are _____ and the pulp chambers are proportionally _____.
HIGH....Large
31
Concerning Primary VS Permanent Crowns: Primary pulp horns protrude higher underneath crown heights because their ______ thickness is minimal, compared to permanent teeth.
Dentin
32
Incisal View-PRIMARY Max Lat Incisor: the Incisal Ridge is CURVED toward the ______ surface.
DISTAL
33
Lingual View-Primary Max First Molar: The ___ cusp IF VISIBLE is small.
DL
34
Facial View--Primary Mandibular First Molar: The ___ cusp is LARGER and Taller then the ___ cusp.
MF cusp is larger and taller then DF cusp (normal)
35
Facial View--Primary Mandibular First Molar: There is a short or indistinct facial ______ that looks more like a depression.
Groove
36
Facial View--Primary Mandibular First Molar: The _____ _____ significantly points or dips apically onto the mesial root surface on the ______ half of the tooth.
cervical line.....mesial
37
Facial View--Primary Mandibular First Molar: The cervical _____ is quite convex in the ______ half and FADES OUT onto the ___ Cervical Third.
Ridge....Mesial....DF
38
Facial View--Primary Mandibular First Molar: The mesial root is much _____ and more ______ then the distal root.
LONGER....straight
39
Occlusal View-Primary Mandibular Second Molar: The tooth possesses a long and winding ____ _____.
Central Groove
40
Occlusal View-Primary Mandibular Second Molar: There is a distinct mesial marginal ____ ____. Haha funny name
mesial marginal ridge groove
41
Occlusal View-Primary Mandibular Second Molar: The distal marginal ridge has a "_____" instead of a groove that splits into two segments.
"notch"
42
Occlusal View-Primary Mandibular Second Molar: ___ and ___ developmental grooves separate the 3 cusps.
MF and DF
43
Occlusal View-Primary Mandibular Second Molar: A single _____ _____ separates the ML and DL cusps.
lingual groove
44
Occlusal View-Primary Mandibular Second Molar: Major fossae include the _____ fossa, _____ triangular fossa, & ____ triangular fossa.
central, mesial, & distal
45
Occlusal View-Primary Mandibular Second Molar: There are SIGNIFICANT triangular ridges located on each cusp but none of them meet to form a ________ _____.
transverse ridge (none of them line up!!)
46
Where is the most common location in the mandible for a supernumerary tooth to exist?
Mandibular Second PreMolar
47
What arises through the UNION of two normally separated tooth germs and may be complete or incomplete?
Tooth Fusion (I WONDER HOW THIS RELATES to dental stem cells??)
48
In tooth fusion: Two independent pulp ______ and root _____ can be seen.
chambers...canals
49
In tooth fusion: Fusion can also be the union of a normal tooth ______ & a _________ tooth germ!
bud & a supernumerary tooth germ!
50
In tooth fusion: Which sets of teeth are most commonly seen with this anomaly??
MAXillary 2nd and 3rd molars
51
In tooth fusion: it ALWAYS involves the what layer of the tooth??
DENTIN
52
Facial Aspect Root Structure-Perm Max Cent Incisor: Outine of the root is _____ shaped and a _____ apex usually located slightly _____ to the center line of the tooth.
CONE....BLUNT....DISTAL
53
Facial Aspect Root Structure-Perm Max Cent Incisor: Are there root surface developmental depressions?? Is this easy or difficult to extract?
NO evidence of them....EASY to extract
54
Facial Aspect: Perm Max Lat Incisor: The crown length is ____mm shorter then the central.
1.0-1.5mm
55
Facial Aspect: Perm Max Lat Incisor: The crown width is ___mm less then the central giving the impression that the maxillary lat incisor is relatively ____ & ______.
2.0mm...long & narrow
56
Facial Aspect: Perm Max Lat Incisor: The root apex has a _____ curvature.
DISTAL...DUH!!!
57
Distal Aspect-Perm Max Lat Incisor: The incisal _____ and ____ _____ will NOT be in line with each other.
ridge...root apex
58
Distal Aspect-Perm Max Lat Incisor: The incisal ridge is ______ FacioLingually over the crown and main body of the root.
CENTERED
59
Mesial View-Perm Man Cent Incisor: The incisal edge will be ______ to the FL long axis bisector.
Lingual
60
Mesial View-Perm Man Cent Incisor: The enamel on the facial surface will extend apically about ____mm more than it does on the lingual.
0.5mm
61
Facial View-Permanent Mandibular Lateral Incisor: The incisal edge is ______ but it may appear slanted toward the _____.
Straight...Distal
62
Facial View-Permanent Mandibular Lateral Incisor: The mesial incisal line angle is said to be a _____ ____ degree angle; the Distal incisal angel is usually more ______.
mesial: Sharp 90 degree..... distal: rounded
63
Facial View-Permanent Mandibular Lateral Incisor: Proximal contacts are both within the incisal ___ of the crown and are CONSIDERED to be at essentially (NOT EXACTLY) the _____ _____.
incisal 1/3...same level....ACUTALLY distal is more Cervial WTF
64
Facial View-Permanent Mandibular Lateral Incisor: The distal contact is always considered to be slightly ______ then the mesial contact area.
Cervical
65
Facial View-Permanent Mandibular Lateral Incisor: There is often more curvature in the _____ crown outline; therefore the crown is NOT considered _______ from the facial view.
distal....not considered symmetrical
66
Distal View-perm man lat incisor: The incisal ridge is slighly toward the _____ surface when compared to the FL long axis bisector that travels through the root apex.
Lingual
67
Facial View-Perm Max Canine: The cusp tip is either in line or slightly _____ to the vertical center of the tooth.
mesial
68
Facial View-Perm Max Canine: The mesial cuspal ridge is ______ then the distal cuspal ridge.
Shorter (HENCE why the cusp tip is mesial)
69
Facial View-Perm Max Canine: The apical 1/3 of the root has a ______ curvature. But what else COULD it be?
Distal...DUH! But it COULD me mesial or straight. hahahaha so everything!
70
Facial View-Perm Max Canine: Where is the cusp tip NEVER located?
Distal
71
Distal View- Perm Max Canine: The cusp tip is aligned with the ____ ____, and the _____ __ ______ on the cervical line.
root tip.....height of curvature
72
Distal View- Perm Max Canine: There is a PRONOUNCED _______, which is cervical to the distal contact area (this is minimally present on the ______ root surface)
CONCAVITY...mesial
73
Mesial View-Perm Man Canine: The cusp tip is _______ to the FL bisector.
Lingual (the max teeth need to fit over it!)
74
Mesial View-Perm Man Canine: There is a significant incisal curvature of the _____ _____ (more so than on the max canine).
Cervical Line
75
Mesial View-Perm Man Canine: The ________ is not pronounced.
cingulum
76
Mesial View-Perm Man Canine: A root surface developmental depression is ________ & _____ on the root (THIS increases the possibility of what???)
Pronounced & Deep...... (Two Roots or Two canals!)
77
Perm Max First Premolar-Lingual: The lingual cusp is _____ pointed and about __mm shorter then the facial cusp.
less.....1.0mm
78
Perm Max First Premolar-Lingual: The lingual cusp is slightly _______ to the MD long axis bisector; therefore the mesial cuspal ridge will be ______ than the distal cuspal ridge.
mesial....shorter
79
Perm Max First Premolar-Lingual: It is characteristic of the lingual cusps of both max premolars to "_____" or "point" to the _____.
Swing....mesial
80
Perm Max First Premolar-Lingual: The mesial and distal outlines of the lingual cusp will both be slightly ______.
Convex
81
Perm Max First Premolar-Lingual: A small amount of both the mesial and distal surfaces of the crown will be ______.
VISIBLE!!
82
Perm Max First PreMolar-Mesial: The mesial cuspal ridges of the facial and lingual cusps converge to meet the mesial _______ ______. The crest of this structure is almost _______ to the FL long axis bisector.
mesial marginal ridge....perpendicular
83
Perm Max First PreMolar-Mesial: The mesial marginal ridge is divided into F and L segments by the _____ ______ DEVELOPMENTAL GROOVE.
MESIAL MARGINAL DEVELOPMENTAL GROOVE
84
Perm Max First PreMolar-Mesial: The MESIAL MARGINAL DEVELOPMENTAL GROOVE crosses the ridge from the _______ surface and extends onto the ______ surface.
Occlusial...mesial
85
Perm Max First PreMolar-Mesial: The ______ _______ ________ must ALWAYS be of concern to the dentist during restorative and periodontal Tx.
MESIAL DEVELOPMENTAL DEPRESSION
86
Perm Max First PreMolar- Occlusial: The Crest of the lingual segmment lingually is distinctly ______ to the MD bisector of the crown.
mesial (pinched look)
87
Perm Max First PreMolar- Occlusial: The mesial and distal cuspal ridges of the _____ cusp are in line with each other but angle slightly across the surface. The mesial end of the connected cuspal ridge line is more _____ than the distal end.
facial.....lingual (that PINCHED look!)
88
Perm Max First PreMolar- Occlusial: The facial cusp tip is _____ to the MD bisector and ___ the distance from the facial outline of the FL bisector.
distal ("twisted" look)...1/3 the distance
89
Perm Max Second PreMolar-Lingual: Occlusially the outline of both cusps is ______. The tip of the lingual cusp is __ ____ with the tip of the facial cusp.
visible.....in line
90
Perm Max Second PreMolar-Lingual: The lingual cusp is nearly _____ in height and a little more ______ ( less ______) than the facial cusp.
Equal....rounded (less pointed)
91
Perm Max Second PreMolar-Lingual: The cuspal ridges of the lingual cusp will not be as ______ occlusially as those of the facial cusp and will present the same _____ of slant from the tip of the cusp.
high....angle
92
Perm Max Second PreMolar-Occlusial: The tooth has mesial and distal ______ ______ that are IRREGULARLY shaped.
Triangular Fossae
93
Perm Max Second PreMolar-Occlusial: The odd triangular fossae are nearer the ______ of the tooth when compared to the triangular fossae on the ______ ______ _____.
Center....Max First PreMolar
94
Perm Max Second PreMolar-Occlusial: Has a relatively ______ central groove and relatively _____ marginal ridges.
short....wide
95
Perm Man First PreMolar-Lingual: The lingual cusp has consistent _______ qualities to the anatomy.
Cingulum!
96
Perm Man First PreMolar-Lingual: The lingual cusp tip is approx ___ the height of the facial cusp tip.
2/3's the height
97
Perm Man First PreMolar-Lingual: A ______ & ______ lingual cusp tip is evident.
Pointed & centered
98
Perm Man First PreMolar-Mesial: A very short and somewhat horizontally positioned lingual cusp _______ _____ is seen.
triangular ridge
99
Perm Man First PreMolar-Mesial: The central groove is positioned on the ______ portion of the crown.
lingual
100
Perm Man First PreMolar-Mesial: There is a ___ degree angle to the crest of the mesial marginal ridge.
45 degree
101
Perm Man First PreMolar-Mesial: A distinct ___ ______ is present that is located at the ML line angle, but is not continuous with the ML coronal _________.
ML groove.....depression
102
Perm Man First PreMolar-Occlusial: The mesial triangular fossa has a mesial groove at the bottom of it that is ______ in shape and is continuous with the ML groove.
linear
103
Perm Man First PreMolar-Occlusial: At the bottom of the distal triangular fossa is a "______" shaped distal groove.
"comma"
104
Perm Man First PreMolar-Occlusial: The central groove is located on the _______ side of the tooth and will "_____" or be oriented toward the lingual surface.
lingual..."bend"
105
Perm Man Second Premolar-Lingual: The 3 cusp variety has 2 ______ cusps with a ______ groove between both.
lingual....lingual
106
Perm Man Second Premolar-Lingual: The lingual groove is _______ positioned.
distally
107
Perm Man Second Premolar-Lingual: The ML cusp tip is approx ____mm shorter then the facial cusp tip.
1.5mm
108
Perm Man Second Premolar-Lingual: The DL cusp tip is about ___mm shorter then the facial cusp tip.
2.0mm
109
Perm Man Sec PreMolar-Occlusial: There are _____ _____ connections that are evident between the cuspal ridges and adjacent marginal ridges.
right angle
110
Perm Man Sec PreMolar-Occlusial: The 3 cusp variety does not have a _______ _______.
transverse ridge
111
Perm Man Sec PreMolar-Occlusial: The central groove has a mesial and distal component to it and is ______ positioned.
lingually
112
Perm Man Sec PreMolar-Occlusial: On the 3 cusp variety, the outline of the developmental groove is a "__" shaped pattern.
"Y"
