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2 dental anomalies Flashcards

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1
Q

causes of environmental enamel defects

A

hypoplasia/diffuse and demarcated opacities; Turner hypoplasia; molar-incisor hypomineralization; RT effects; fluorosis

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2
Q

exanthamatous fevers of childhood + teeth

A

if before 2yo, enamel of anterior teeth and 1st molars

if ~4-5yo – cuspids, bicuspids, 2nd molars

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3
Q

turner teeth

A

periapical inflammation/trauma/caries of overlying primary tooth -> hypoplasia

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4
Q

periapical inflammation/trauma/caries of primary tooth risk of what

A

turner hypoplasia/turner teeth

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5
Q

cheese molars

A

molar incisor hypomineralization – northern europe

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6
Q

RT in childhood dental effects

A

hypodontia, microdontia, enamel/radicular/mandibular hypoplasia

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7
Q

fluorosis look

A

white challky hypomineralized/mottled enamel

can stain yellow/brown

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8
Q

white challky hypomineralized/mottled enamel

can stain yellow/brown

A

fluorosis

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9
Q

tooth/tooth contact –>

A

attrition (eg bruxism)

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10
Q

mechanical external agent on tooth –>

A

abrasion (toothbrush)

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11
Q

chemical agent on tooth –>

A

erosion (soft drinks)

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12
Q

enamel loss from loading force

A

abfraction

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13
Q

chewing of abrasive substance

A

demastication = attrition + abrasion

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14
Q

erosion due to gastric secretions

A

perimolysis

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15
Q

perimolysis

A

erosion due to gastric secretions

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16
Q

demastication

A

demastication = attrition + abrasion

chewing of abrasive substance

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17
Q

attrition

A

tooth/tooth contact -(eg bruxism)

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18
Q

abrasion

A

mechanical external agent on tooth (eg toothbrush)

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19
Q

internal resorption reasons

A

inflammatory or replacement

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20
Q

inflammatory internal resorption of coronal pulp

A

pink tooth of Mummery

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21
Q

pink tooth of mummery

A

inflammatory internal resorption of coronal pulp

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22
Q

rapid external resorption starting at cervical region

A

invasive cervical resorption

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23
Q

resorption of multiple teeth with no obvious cause

A

multiple idiopathic apical root resorption

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24
Q

congenital eryhtropoietic porphyria aka, inheritance, what’s wrong, teeth look

A

gunther disease
AR
porphyrin metabolism
red color of teeth under UV light (Woods lamp test)

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25
alkaptonuria aka, inheritance, what's wrong, why relevant
black urine disease AR disorder of phenylalanine and tyrosine metabolism ochronosis: blue/black discoloration in connective tissue, tendons, cartilage
26
ochronosis
blue/black discoloration in connective tissue, tendons, cartilage -- in alkaptonuria
27
blue/black discoloration in connective tissue, tendons, cartilage
ochronosis -- in alkaptonuria
28
hyperbilirubinemia causes and why relevant
erythroblastosis fetalis and biliary atresia | can stain teeth
29
green teeth why
chlorodontia -- 2/2 biliverdin deposition
30
chlorodontia
green teeth -- biliverdin deposition
31
biliverdin deposition
chlorodontia green teeth
32
pink teeth why
trauma, internal resorption, leprosy
33
leprosy teeth
pink teeth
34
why are teeth impacted
barrier or lack of force --> tooth ceases to erupt
35
eruption sequestrum
bone spicule overlying crown of a partially erupted tooth
36
bone spicule overlying crown of a partially erupted tooth
eruption sequestrum
37
ankylosis of tooth
cessation of eription after emergence 2/2 fusion of tooth w bone
38
fusion of tooth w bone -->
ankylosis | stops eruption after emergence
39
hypodontia genes
PAX9 molars MSX1 distal tooth of each type AXIN2 molars -- assoc w colon polyps and colorectal ca + He-Zhao deficiency
40
PAX9 hypodontia
molars
41
MSX1 hypodontia
distal tooth of each type
42
AXIN2 hypodontia
molars -- assoc w colon polyps and colorectal ca
43
supernumerary tooth of anterior maxilla
mesiodens
44
mesiodens
supernumerary tooth of anterior maxilla
45
distodens
aka distomolar | fourth molar
46
fourth molar
distodens or distomolar
47
dental transposition
normal tooth in abnormal location | assoc w hypodontia
48
teeth present at birth
natal -- assoc w riga fede
49
normal tooth in abnormal location
dental transposition
50
diffuse microdontia 2 syndromes
Down and pituitary dwarfism
51
diffuse macrodontia 4 conditions
gigantism, otodental syndrome, Klinefelter (XXY), pineal hyperplasia
52
unilateral macrodontia manifestation of
hemifacial hyperplasia
53
single enlarged tooth, normal tooth count
gemination
54
gemination tooth count
single enlarged tooth, normal tooth count
55
single enlarged tooth, missing one count
fusion
56
gemination vs fusion
both have single enlarged tooth gemination normal count fusion missing one
57
union of teeth by cementum only
concrescence
58
concrescence
union of teeth by cementum only
59
3 types of accessory cusps
cusp of carabelli, talon cusp, dens evaginatus
60
cusp of carabelli
palatal surface of mesiolingual cusp of mx 1 molar
61
accessory cusp on palatal surface of mesiolingual cusp of mx 1 molar
cusp of carabelli
62
talon cusp where and when
anterior teeth | rubinstein-taybi, sturge weber. ellis van creveld
63
rubinstein-taybi components (3)
talon cusps, mental retardation, broad thumbs and toes
64
accessory cusp on mesiobuccal of MD molar
protostylid
65
protostylid
accessory cusp on mesiobuccal of MD molar
66
dens evaginatus
cusplike elevation in PM and molars assoc w shovel-shaped incisors 100% of inuits and indians
67
cusplike elevation in PM and molars assoc w demographic
dens evaginatus assoc w shovel-shaped incisors 100% of inuits and indians
68
dens invaginatus aka | and types
aka dens in dente (large invagination) or dilated odontome (--> anomalous tooth development) coronal (types I, II, III) or radicular (similar to enamel pearls but inside)
69
enamel pearls inside the root
dens invaginatus radicular type
70
types of ectopic enamel
enamel pearl (on root) and cervical enamel extension (on bifurcation of molars)
71
ectopic enamel on molar bifurcation
cervical enamel extension
72
ectopic enamel on root and in root
on root: enamel pearl | in root: dens invaginatus radicular type
73
enlargement of body and pulp chamber
taurodontism (mild, moderate, severe)
74
taurodontism
enlargement of body and pulp chamber
75
hypercementosis vs cementoblastoma
latter has pain, expansion, and continuous growth
76
genes in amelogenesis imperfecta (6)
``` amelx enam klk4 mmp20 wdr72 dlx3 c4orf,,, fam83h ```
77
hypoplastic amelogenesis imperfecta what's up and types (6 presentations)
type I inadequate deposition of enamel matrix generalized pitted, localized pitted, AD diffuse smooth, x-linked diffuse smooth, diffuse rough, enamel agenesis)
78
generalized thin hypoplastic amelogenesis imperfecta
joins all diffuse forms | smooth, rough, and enamel agenesis
79
diffuse smooth and rough enamel hypoplasia + enamel agenesis
generalized thin hypoplastic amelogenesis imperfecta
80
hypomaturation amelogenesis imperfecta: what's up and types | teeth look like
type II defect of maturation of of crystal structure (diffuse pigmented, x-linked, snow capped) normal shape but discolored
81
hypocalcified amelogenesis imperfecta what's up and to what extent
type III mineralization does not occur diffuse
82
defect of maturation of enamel crystal structure
type II | hypomaturation amelogenesis imperfecta
83
enamel mineralization does not occur
type III | hypocalcified amelogenesis imperfecta
84
inadequate deposition of enamel matrix
type I | hypoplastic amelogenesis imperfecta
85
type I amelogenesis imperfecta
hypoplastic: inadequate deposition of enamel matrix
86
type II amelogenesis imperfecta
hypomaturation: defect of maturation of crystal structure (normal shape but discolored)
87
type III amelogenesis imperfecta
hypocalcified: mineralization does not occur
88
AI with taurodontism types
hypomaturation-hypoplastic (IVA, thicker enamel) and hypoplastic-hypomaturation (IVB)
89
type IVA amelogenesis imperfecta
hypomaturation-hypoplastic (IVA, thicker enamel) | AI with taurodontism
90
type IVB amelogenesis imperfecta
hypoplastic-hypomaturation (IVB) | AI with taurodontism
91
tricho-dento-osseous syndrome components
AI, taurodontia, kinky hair, osteosclerosis, brittle nails
92
AI, taurodontia, kinky hair, osteosclerosis, brittle nails
tricho-dento-osseous syndrome
93
dentinogenesis imperfecta mutation and types
DSPP I = OI + opaslescent teeth II = hereditary opalescent teeth III = Brandywine isolate
94
DSPP
dentinogenesis imperfecta and DD II
95
Brandywine isolate
type III dentinogenesis imperfecta
96
hereditary opalescent teeth
type II dentinogenesis imperfecta
97
teeth of dentinogenesis imperfecta
``` opalescent obliteration of root canals and chambers bubous crowns cervical constriction x ray very important for dx ```
98
shell teeth
normal thickness enamel, thin dentin, enlarged pulp in dentinogenesis imperfecta
99
normal thickness enamel, thin dentin, enlarged pulp
shell teeth | dentinogenesis imperfecta
100
dentin dysplasia type I aka, teeth
aka radicular DD types Ia-Id rootless teeth, no pulp, periapical RL, pulp stones
101
rootless teeth, no pulp, periapical RL, pulp stones
dentin dysplasia type I
102
dentin dysplasia histo
whorls of tubular dentin | stream flowing around boulders
103
whorls of tubular dentin histo
stream flowing around boulders | dentin dysplasia type I
104
stream flowing around boulders
whorls of tubular dentin dentin dysplasia type I
105
fibrous dysplasia of dentin
radiodensity fills pulp chamber and canal | small foci of RL in pulp (vs dentinogenesis imperfetca) and roots have normal length (vs dentin dysplasia)
106
radicular dentin dysplasia is
type I
107
coronal dentin dysplasia is
type II
108
radiodensity fills pulp chamber and canal | small foci of RL in pulp -- ddx
fibrous dysplasia of dentin -- and not dentin dysplasia type I
109
radiodensity fills pulp chamber and roots are normal length -- ddx
fibrous dysplasia of dentin -- and not dentin dysplasia type I
110
dentin dysplasia type II aka and teeth
coronal dentin dysplasia normal root length also DSPP deciduous teeth features of dentinogenesis imperfetca permanent -- normal color but flame/thistle shaped pulp and pulp stones
111
flame/thistle shaped pulp and pulp stones in permanent dentition ddx and difference
dentin dysplasia type II its primary teeth are like dentinogenesis imperfecta pulpal dysplasia both dentitions
112
pulpal dysplasia teeth
both dentitions flame/thistle shaped pulp and pulp stones
113
regional odontodysplasia tissues, xrays, and histo
affects enamel, dentin, and pulp ghost teeth on xray enameloid conglomerates on histo
114
ghost teeth on xray
regional odontodysplasia
115
enameloid conglomerates on histo
regional odontodysplasia and amelogenesis imperfetca
116
cheese molars
molar-incisor hypomineralization
117
white chalky enamel
fluorosis
118
amoxicillin and developing teeth
similar to fluorosis | affects 1st molars and mx central incisors
119
cupped lesions on teeth
erosion (acid)
120
v shaped cervical lesions on teeth
abfraction
121
tooth resorption types, why,, which more common
internal (by pulp cells) and external (by PDL cells, more common)
122
factors assoc w external resorption (4)
zoster, Pagets, cysts, tumors
123
inflammatory internal resorption what happens
dentin replaced by granulation tissue
124
pink tooth of mummery what is
inflammatory internal resorption in coronal pulp
125
metaplastic internal resorption aka and what happens
aka replacement internal resorption dentin replaced by bone area is radiodense
126
external resorption on xrays
moth eaten, usually apical
127
which cells cause tooth resorption
dentinoclasts
128
dentin replaced by granulation tissue
inflammatory internal resorption
129
inner dentin replaced by bone
replacement/metaplastic internal resorption
130
moth eaten apical root defects
external resorption
131
rapid external resorption starting at cervix of teeth
invasive cervical resorption
132
resorption of multiple teeth without obvious cause
multiple idiopathic apical root resorption
133
how can gingival hemorrhage stain teeth
green from breakdown of Hb into biliverdin
134
stannous fluoride staining
labial surfaces of anterior teeth and occlusal of posterior teeth
135
chlorhexidine staining
interproximal surfaces near gingival margins | listerina and sanguinaria also
136
gunther disease aka and effect on teeth
congenital erythropoietic pophyria deposition of porphyrin red teeth
137
ochronosis what is??
blue/black teeth, connective tissues, tendons, cartilage | alkaptonuria (black urine disease: AR; phenylalanine and tyrosine metabolism)
138
chlorodontia why
green teeth hyperbilirubinemia 2/2 biliverdin deposition
139
pink teeth reasons (4)
trauma inflammatory internal resoprtion leprosy (mx incisors) postmortem
140
tetracycline and teeth
``` incorporates into developing tooth bright yellos to dark brown UV diagnostic (yellow fluorescence) ```
141
UV tetracycline teeth
yellow fluorescence
142
minocycline teeth
blue gray discoloration of alveolus evident though thin mucosa
143
impacted tooth what happens
eruption stops before emergence
144
green teeth reasons
chlorodontia hyperbilirubinemia 2/2 biliverdin deposition
145
red teeth why
congenital erythropoietic porphyria )aka gunther dz | deposition of porphyrin
146
blue black teeth why
ochronosis, alkaptonuria (AR, phenylalanine and tyrosine metabolism)
147
blue gray alveolus discoloration
minocycline -- seen through thin mucosa
148
yellow/brown teeth why
tetracycline -- yellow fluorescence under UV | incorporates into developing tooth
149
eruption stops before emergence
impacted tooth
150
bone spicule over crown of partially erupted tooth
eruption sequestrum
151
eruption stops after emrgence -- why? which teeth most common?
ankylosis tooth fuses w bone most common in md primary first molars
152
total lack of teeth
anodontia -- usually hypohydrotic ectodermal dysplasia
153
lack of 1+ teeth
hypodontia
154
lack of 6+teeth
oligodontia
155
hypodontia vs oligodontia
hypo == lack 1+ | oligo -- lack 6+
156
PAX9 and teeth
hypodontia, esp molars
157
MSX1 and teeth
hypodontia, distal tooth of every type
158
he zhao
hypodontia
159
which hypodontia gene is assoc w colonic polyps and colorectal ca
AXIN2
160
AXIN2
hypodontia, colonic polyps, colorectal Ca
161
supernumerary tooth of anteiror maxilla
mesiodens
162
fourth molar
distodens or distomolar
163
paramolar location
supernumerary tooth lingual or buccal to molar
164
types of supernumerary teeth
supplemental -- normal size/shape | rudimentary -- abnormal size/shape
165
three looks of rudimentary supernumerary teeth
conical, tuberculate, molariform
166
normal tooth in abnormal location -- which teeth affetced
dental transposition | usually canines and first premolars
167
dental transposition
normal tooth in abnormal location | usually canines and first premolars
168
teeth present at birth -- risks?
natal teeth -- birth or shortly thereafter | assoc w riga fede dz
169
relative microdontia
normal teeth bu macrognathia
170
diffuse microdontia syndromes (2)
Down syndrome and pituitary dwarfism
171
relative macrodontia
normal teeth but micrognathia
172
diffuse macrodontia syndromes (4)
gigantism, otodental syndrome, XYY males, pineal hyperplasia
173
unilateral macrodontia assoc w
hemifacial hyperplasia
174
hemifacial hyperplasia and teeth
unilateral macrodontia
175
otodental syndrome two main components
globe shaped molars and sensorineural deafness
176
globe shaped molars and sensorineural deafness
otodental syndrome
177
pituitary dwarfism teeth
diffuse microdontia
178
Klinefelter males teeth
diffuse macrodontia
179
pineal hyperplasia teeth
diffuse macrodontia
180
single enlarged tooth; normal tooth count if anomalous counted as one
gemination
181
single enlarged tooth; tooth count missin one if anomalous counted as one
fusion
182
gemination vs fusion
gemination normal tooth count, fusion missing one (if enlarged counted as one)
183
union of teeth only by cementum -- why?
concrescence | developmental or post-inflammatory
184
3 types of accessory cusps
cusp of carabelli, talon cusp, dens evaginatus
185
cusp of carabelli
accessory cusp on palatal surface of mesiolingual cusp of mx 1 molar
186
accessory cusp on palatal surface of mesiolingual cusp of mx 1 molar
cusp of carabelli
187
protostylid
accessory cusp on mesiobuccal of md molar
188
accessory cusp on mesiobuccal of md molar
protostylid
189
talon cusp where and assoc
lingual ant teeth (esp mx lat incisor) | assoc w rubinstein-taybi syndrome
190
rubinstein-taybi syndrome and teeth | other things?
talon cusp on mx lat incisor other things: mental retardation, broad thumbs and toes
191
cusplike elevation on occlusal of PM and molars -- risks?
dens evaginatus | 25% --> pulpal pathosis
192
dens evaginatus -- risks?
cusplike elevation on occlusal of PM and molars 25% --> pulpal pathosis
193
shovel shaped incisors who
lingual surface looks like a scoop of a shovel 100% inuits/native americans 15% asians
194
dens invaginatus
deep surface invagination of crown/root lined by enamel | most in mx lat incisors
195
deep surface invagination of crown/root lined by enamel
dens invaginatus | most in mx lat incisors
196
dens in dente
large invagination - dens invaginatus
197
dilated odontome
dilated invigination disturbing tooth development
198
dilated invigination disturbing tooth development
dilated odontome
199
ectopic enamel names and locations
enamel pearl -- root | cervical enamel extension -- CEJ of molars bifurcation
200
enlargement of body and pulp chamber -- shape?
taurodontism | rectangular teeth
201
taurodontism classifications
mild (hypotauro), moderate (meso), severe (hyper)
202
pts w increased taurodontism - other local troubles - 4 syndromes
pts w hypodontia, cleft lip and cleft palate | assoc w ectodermal dysplasia, hypophosphatasia, Down, tricho-dento-osseous syndrome
203
hypercementosis vs cementoblastoma
cementoblastoma painful, expansion, continuous growth
204
generalized hypercementosis suggests what
Paget's
205
dilaceration what is and why
abnormal angulation/bend of root | idiopathic, trauma, of adjacent lesion
206
abnormal angulation/bend of root
dilaceration | idiopathic, trauma, of adjacent lesion
207
all teeth present and erupted bu enamel is v thin
hypoplastic amelogenesis imperfecta
208
teeth normal shape but discolored and enamel is soft
hypomaturation amelogenesis imperfecta
209
AMELX9
amelogenesis imperfecta | amelogenin
210
ENAM
amelogenesis imperfecta | enamelin
211
MMP20
amelogenesis imperfecta | enamelysin
212
KLK4
amelogenesis imperfecta | kallikrein
213
DLX3
amelogenesis imperfecta | group of genes
214
AMBN
amelogenesis imperfecta ameloblastin
215
normal tooth shape but soft and very dark enamel
hypocalcified amelogenesis imperfecta
216
amelogenesis imperfecta + taurodontism
hypomaturation-hypoplastic (IVa, thicker enamel) and hypoplastic hypomaturation (IVB)
217
tricho-dento-osseous syndrome components (5)
amelogenesis imperfecta + taurodontism, kinky hair, osteosclerosis, brittle nails
218
amelogenesis imperfecta + taurodontism, kinky hair, osteosclerosis, brittle nails
tricho-dento-osseous syndrome
219
dentinogenesis imperfetca aka
hereditary opalescnet teeth | Capdepont's teeth
220
Capdepont's teeth
dentinogenesis imperfetca
221
dentinogenesis imperfetca vs osteogenesis imperfecta
dentinogenesis imperfetca DSPP, no systemic disorder | osteogenesis COL1A1/A2
222
dentinogenesis imperfetca lewk
blue/brown and translucent | bulbous crowns, cervical construction, thin roots, obliteration of canals and chambers
223
blue/brown and translucent teeth
dentinogenesis imperfetca
224
bulbous crowns, cervical construction, thin roots, obliteration of canals and chambers
dentinogenesis imperfetca
225
shell teeth
enamel normal thickness, thin dentin, very enlarged pulp dentinogenesis imperfecta
226
enamel normal thickness, thin dentin, very enlarged pulp
shell teeth | dentinogenesis imperfecta
227
dentinogenesis imperfecta histo
shot tubules in granular dentin w calcifications
228
dentin dysplasia types/subtypes
type I - radicular (Ia-Id) rootless teeth, no pulp, periapical RL, pulp stones type II -- coronal normal root length, DSPP mutation deciduous teeth look like dentinogenesis imperfecta' permanent normal color but flame/thistle shaped pulp and pulp stones
229
flame/thistle shaped pulp and pulp stones
dentin dysplasia type II if only permanent | pulpal dysplasia if both dentitions
230
rootless teeth
dentin dysplasia type I
231
fibrous dysplasia of dentin ddx
radiodensity fills pulp chamber and canal small foci of RL in pulp (vs dentinogenesis imperfecta) roots normal length (vs dentin dysplasia)
232
teeth no pulp and no roots
dentin dysplasia type I
233
teeth no pulp but normal roots
fibrous dysplasia of dentin
234
dentin-dysplasia like teeth -- 5 systemic dzz
``` calcinosis universalis tumoral calcinosis rhematoid arthritis vitaminosis D sclerotic bone + skeletal abnormalities ```
235
dentin dysplasia type I histo
whorls of tubular dentin with peripheral layer of normal dentin (stream flowing around boulders)
236
(stream flowing around boulders)
dentin dysplasia type I | whorls of tubular dentin with peripheral layer of normal dentin
237
dentin dysplasia type II histo
primary teeth like dentinogenesis imperfecta (short tubules in granular dentin with calcifications) permanent teeth atubular dentin and pulp stones
238
regional odontodysplasia aka and what is
ghost teeth | non-hereditary developmental anomaly of enamel, dentin, pulp
239
what's wrong in regional odontodysplasia
vascular, neural, growth abnormalities | some cases assoc w vascular nevi
240
teeth in regional odontodysplasia
ghost teeth | v thin enamel and dentin around enlarged radiolucent pulp
241
ghost teeth
v thin enamel and dentin around enlarged radiolucent pulp | regional odontodysplasia
242
regional odontodysplasia histo
``` enameloid conglomerates (focal collections of basophilic calcifications) also seen in AI ```
243
enameloid conglomerates
focal collections of basophilic calcifications) | regional odontodysplasia and amelogenesis imperfetca
244
qualitative vs quantitative enamel defect
qualitative - variation in translucency -- enamel opacity quantitative -- hypoplasia -- pits and grooves
245
decisuous teeth crown development
14th week in utero - 12 mo
246
permanent teeth crown development
6mo-15yo
247
enamel defect in permanent tooth 2/2 periapical disease or trauma of primary tooth
turner hypoplasia
248
radioation dose to cause enamel hypoplasia
0.72Gy
249
mottled enamel
fluorosis
250
attrition locations
occlusal surfaces, lingual max, labial mand
251
abrasion location
prominent teeth, buccal surface
252
abfraction location
cervical area or sublingual gingiva | facial of bicuspids
253
perimolysis conditions
gastric acid erosion | GERD< bulimia
254
erosion locations
facial/palatal maxilla facial/occusal mandibular central depression surrounded by enamel
255
inflammatory internal resorption what happens
dentinal tubules replaced by granulation tissue
256
replacement/metaplastic internal resorption what happens
dentinal tubules replaced by cementum or bone
257
pink tooth of mummery what it, why pink
internal resorption affecting the coronal part, causes the blood vessels to approach the surface and pink discoloration
258
multiple areas of invasive external cervical resorption | occurs , cause unknown
Multiple idiopathic root resorption:
259
rapid external resorption at neck of tooth
invasive cervical resorption
260
moth eaten apical/mid portion of root
external resorption
261
stannous fluoride cause of staining
tin (stannous) + bacteria hydrogen sulfide
262
congeniral eryhtropoietic porphyria inheritance, reasons, color, additional color features
 AR  Deposition of porphyrin in teeth  Also appears in urine  Red-brown color that exhibits a red fluorescence when exposed to Wood’s UV light
263
red brown teeth and urine
congeniral eryhtropoietic porphyria
264
alkaptonuria tissue phenomenon, inheritance, color features
(Ochronosis):  AR  Blue-black pigmentation in CT, sclera, teeth, cartilage
265
blue-black cartilage and sclera
ochronosis in alkaptonuria
266
Congenital erythropoietic porphyria aka and tooth color
Gunter disease red brown teeth red fluorescnece on Wood's lamp test
267
alkaptonuria tooth color
blue black in cervical areas
268
jaundice tooth color
blue black in cervical area | green (chlorodontia) 2/2 biliverdin from bilirubin
269
causes of hyperbilirubinemia in infants
erhtroblastosis fetalis | biliary atresia
270
green teeth
chlorodontia hyperbilirubinemia IV ciprofloxacin for klebsiella in kids
271
trauma tooth color when
pink 1-3 wks after trauma
272
yellow teeth after trauma
pulp obliteration, calcific metamorphosis
273
lepromatous leprosy teeth
pink/red maxillary incisors
274
pink/red maxillary incisors
trauma or leprosy
275
tetracycline teeth
yellow-brown
276
minocycline teeth and other locations
gray on incisal hald | also deposits in thyroid / sclera / nails / bones / teeth
277
cirpfloxacin scenario and teeth
IV for Klebsiella in kids | green teeth
278
ankylosis most freq affected teeth
Mandibular primary 1st molar > Mandibular primary 2nd molar > Maxillary primary 1st permanent molar
279
pax9 teeth
AD / Oligodontia in permanent molars
280
msx1 teeth
AD / Distal tooth of each type | Most common 2nd PM / 3RD M
281
axin2 teeth
AD / 2nd + 3rd molars | +adenomatous polyps and colorectal ca
282
chinese hypodontia gene
He Zhao deficiency
283
pakistain hypodontia
LTBP3
284
eda teeth
Non syndromic x –linked | Max + mand CI > LI > C > PM
285
WNT10A teeth
Non syndromic Max + mand lat. Incisors + 2nd PM
286
hypodontia which teeth
3rd molars > 2nd PM > LI
287
types of rudimentary supernumeraries
Conical; small peg shaped Tuberculate; barrel shaped Molariform; small PM-like or molar –like
288
normal teeth erupt in abnormal site
Dental transposition:
289
Dental transposition:
normal teeth erupt in abnormal site
290
neonatal teeth: timing, what are they | teeth
``` first 30 days of life / most are premature eruption of primary teeth Mandibular incisors (85%) > maxillary incisors (11%) > posterior teeth (4%) ```
291
Riga-Fede Disease:
New born with traumatic ulceration of anterior ventral | tongue during breast feeding due to neonatal teeth
292
New born with traumatic ulceration of anterior ventral | tongue during breast feeding due to neonatal teeth
Riga-Fede Disease:
293
5 macrodontia conditions
```  Gigantism  Otodental syndrome : Globodontia + Sensory loss  XYY  Hyperinsulinemia  Pineal Hyperplasia ```
294
Globodontia + Sensory loss
Otodental syndrome
295
2 microdontia conditions
Down syndrome |  Pituitary dwarfism
296
Enamel pearl locations
Ectopic enamel on roots of max 3rd molars > mand molars
297
Dense Invaginatus types:
 Type 1 = confined to crown ( Most common )  Type 2 = extends below CEJ  Type 3 = extends through root ( least common
298
cervical enamel extension location
Mandibular molars most common but can occur at any molar
299
globodontia look, association, dentition condition, radio look
 gigantic globe shaped teeth “ TIED END OF SAUSAGE”  Ass w otodental syndrome  PM usually missing  Radiograph: short roots, bulbous crowns, pulp stones
300
gigantic globe shaped teeth
globodontia
301
TIED END OF SAUSAGE
globodontia
302
lobodontia inheritance, affected teeth
AD |  Cuspids and PM fang-like cusps / Tooth size reduced
303
Cuspids and PM fang-like cusps /
lobodontia
304
three type families of amelogenesis imperfecta
Hypoplastic  Hypomineralization (hypomaturation / hypocalcification)  AI w taurodontism (hypomaturation / hypoplastic)
305
cheesy enamel
hypocalcified AI
306
hypocalcified AI enamel
cheesy
307
amelogenesis imperfecta similar to fluorosis
Hypomaturation
308
tricho-dento-osseous syndrome inheritance and look
AD  Kinky hair at birth but may straighten with age  Osteosclerosis affects base of skull and mastoid process  Short ramus and obtuse angle assoc w AI
309
8 amelogenesis imperfecta genes with products
``` AMELX - amelogenin - 90% ENAM - enamelin - 5% MMP20 - enamelysin KLK4 - kallikrein 4 FAM83H C4orf26 - extracellular matrix DLX3 WDR72 - protein scaffold ```
310
most commonly affected genes in amelogenesis imperfetca with products
AMELX - amelogenin - 90% | ENAM - enamelin - 5%
311
AMELX inheritance and type
x-linked amelogenesis imperfecta | hypomat/hypoplastic
312
ENAM inheritance and type
AD, AR amelogenesis imperfecta | hypoplastic
313
MMP20 inheritance and type
AR Pigmented hypomaturation amelogenesis imperfecta
314
KLK4 type
hypomaturation amelogenesis imperfecta
315
FAM83H inheritance and type
AD | hypocalcified amelogenesis imperfecta
316
C4orf26 inheritance and type
AR amelogenesis imperfecta hypomineralized
317
DLX3 type
Hypmat/hypoplastic amelogenesis imperfecta w taurodontism | Maybe ass w trich-dento-oseeous syndrome
318
WDR72 inheritance and type
AR amelogenesis imperfecta hypomaturation
319
amelogenin gene
AMELX
320
enamelin gene
enamelin
321
enamelysin gene
MMP20
322
kallikrein 4 gene
KLK4
323
scaffold gene in amelogenesis imperfecta
WDR72
324
extracellular matrix gene in amelogenesis imperfetca
C4orf26
325
AD genes of amelogenesis imperfecta
ENAM and FAM83H
326
x linked genes of amelogensis imperfetca
AMELX only
327
tricho dento osseous syndrome gene
DLX3 poss
328
AR genes of amelogenesis imperfetca
MMP20, C4orf26, WDR72
329
hypoplastic amelogenesis imperfecta genes, inheritance, mechanism, presentations
AD: ENAM AR: More severe Inadequate deposition of enamel matrix Generalized: pinpoints Local: mid 1/3 of buccal
330
Inadequate deposition of enamel matrix amelogenesis imperfecta
hypoplastic
331
amelogenesis imperfecta what's affected, teeth look, other mouth problems
``` Both dentition Pulpal calcification Taurodontism Delayed eruptions Gingival overgrowth Open bite occlusion ```
332
hypomaturation vs hypocalcification amelogenesis
both are hypomineralization ``` Hypomaturation: Enamel chips & fractures but no loss of enamel during eruption White opaque, mottled E Resemble fluorosis 1- Pigmented 2- X-linked 3- Snow capped ``` Hypocalification: Normal shape Enamel soft and lost easily (cheesy) except cervical portion (spared)
333
amelogenesis: Hypomat /hypoplastic vs Hypoplastic/hypomat inheritance?
AI with taurodontism -- AD Hypomat /hypoplastic : pits only Hypoplastic/hypomat : Enamel is thin and pits
334
dentinogenesis imperfecta-like changes in systemic diseases (4)
 OI  Ehlers-Danlos Syndrome  Goldblatt syndrome  Schimke immune-osseous dysplasia
335
dentinogenesis imperfecta what is and aka
 Development of dentin is disturbed WITHOUT systemic disease  Capdepont’s teeth/hereditary opalescent dentin: Also known as DGI  Shell teeth: expanded pulp in DGI
336
Systemic diseases in correlation with dentin dysplasia-like alterations:
 Calcinosis Universalis  RA and hypervitaminosis D  Sclerotic bone and skeletal anomalies  Tumoral calcinosis
337
OI w opalescent teeth inheritance and genes
AD | COL1A1, COL1A2
338
DSPP disorders and inheritance
DI, dentin dysplasia 2 | AD
339
dentin dysplasia 1 inheritance and gene
AD, gene unknown!
340
Dentinogenesis Imperfecta aka, injeritance, affected teeth, look
AKA: Hereditary opalescent dentin Capdepont’s teeth AD ``` Both Dentition Dec > per Bulbous crowns cervical constriction early obliteration of pulp shell teeth hearing LOSS ```
341
dentin dysplasias types and inheritance
DD1 -- radicular DD2 -- coronal both AD
342
regional odontodysplasia aka, inheritance | age, affected teeth
ghost teeth localized non hereditary Both dentitions Bimodal peak : 2-4 / 7-11 yrs Max > mand Ant > post One qua > 2 quad
343
otodental syndrome genetics, teeth, major points
AD / chr # 11q13 FGFR3 Globodontia (large teeth) Hearing loss
344
tricho-dento-osseous syndrome inheritance, possible mutation, manifestations
AD -- poss DLX3 hypoplastic/hypomaturation AI-like ``` Osteosclerosis base of skull & mastoid process mainly Kinky hair Brittle nails Short ramus and obtuse angle ```
345
Enameloid conglomerate: what is and where
basophilic enamel like calcifications | regional odontodysplasia and amelogenesis imperfecta
346
pathoses associated with regional odontodysplasia (9)
```  Ectodermal dysplasia  Epidermal nevi  Hypophosphatasia  NF  Rh factor incompatibility  Ipsilateral facial hypoplasia  Hydrocephalus  Orbital Coloboma  Vascular Nevi ```
347
proposed causes of regional odontodysplasia (9)
```  Abnormal migration of neural crest cells  Latent virus  Local circulatory deficiency  Local trauma  Hyperpyrexia  Malnutrition  Medication  Radiation  Somatic ```

OP - Yield (19 decks)

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