Oral Surgery Flashcards
1
Q
Contraindic for endo tx indicated for exo (2)
A
Vertical root fracture
Ext root fracture
2
Q
Rx of vert root fracture
A
J shape radiolucency
Or teardrop radiolucency
3
Q
Cyst with rx of inverted teardrop or pearshape
A
Globulomaxillary cyst
4
Q
Loc of globulomx cyst
A
Upper lat and canines
5
Q
Dentigerous cyst or follicular cyst transforms into
A
Ameloblastoma
6
Q
Rx appearance of ameloblastoma
A
Soap bubble appearance
7
Q
Dse with rx bilateral soap bubble
A
Cherubism - angel like face
8
Q
Supernumerary teeth found to 3rd molar
A
Distomolar or 4th molar
9
Q
Supernumerary teeth loc buccal or lingual molar
A
Paramolar
10
Q
Complication to biphosphonates
A
BIOJ
11
Q
Management for bioj and orn
A
100% hyperbarric oxygen
12
Q
Prophylactic antibiotics
Amox
Clinda
A
Amox - 2g/2000mg
Children - 50 mg/kg
Clinda - 600 mg
Pedo - 20 mg/kg
13
Q
Immunosuppressant drugs (2)
A
Cyclosporins
Corticosteroids
14
Q
Limit of epineph to px with hypertension
A
0.04% mg of epinephrine
15
Q
In MI wait for ___ mos after heart attack management before tooth exo
A
6
16
Q
Least common site of infarction
A
Liver
17
Q
Tx for angina pectoris
A
Nitroglycerine
Amyl nitrate
18
Q
Surgical Management of MI
A
Coronary artery bypass graft (CABG)
19
Q
Hemophilic px have problem with bleeding time or clotting time
A
Clotting time only
Increased
20
Q
Partial thromboplastin time
Prothrombin time
A
25-35 s
9-13 s
21
Q
Clotting time
Bleeding time
A
8-15 mins
1-3 mins
22
Q
Hemophilia A; B; C factor deficiency
A
8
9
10
23
Q
Most common hereditary blood disorder
A
Von willebrand disease
24
Q
Pregnant px trimester contraindic to exo
A
1st - organogenesis
3rd - uncomfortable lying
25
Safest trimester of pregnant px to have tooth exo
2nd trisem
26
What kind of drug is 5 fluorouracil
Anti metabolite
27
Aspirin irreversibly blocks formation of ___
Thromboxane a2
28
Warfarin supresses vit ___
K - 27910
29
Tx for severe pericoronitis
Irrigation using NSS or chlorhex
30
Stages of wound healing
Inflammatory phase
Proliferative phase
remodeling phase
31
Inflammatory phase (4)
Hemostasis
Vasoconstrict
Platelet aggregation
Thromboplastin formation
Inflamm
Vasodilation
32
Best technique to stop bleeding
Pressure
33
Tea bag alternative for pressure bec it contains ____
Tannic acid - help stop bleeding
34
Inflam phase days
2-5 d
35
Resorbable sutures (3)
Plain gut
Chromic gut
Synthetic
36
Tyoe of collagen most numerous during healing process
Type I
37
Proliferative phase span
2 days to 3 weeks
38
Proliferative phase stages (3)
Granulation tissue
Wound contraction
Epithelialization
39
Remodeling phase (2) span?
Fibrinolysis
Scar tissue maturation
3 wks to 2 yrs
40
Granulation tissue present in proliferative phase (2)
Angioblast
| Fibroblast
41
Formative cells of vessels
Angioblast
42
Responsible for fibrinolysis
Plasmin
43
Loss of sensation
Anesthesia
44
Abnormal sensation
Paresthesia
45
Hypersensitive anesth
Hyperesthesiaa
46
Pain sensation to normal stimulus
Dyesthesia
47
Nerve regeneration _____
1-1.5 mm per day!!!! ***
48
Myelin sheath degenerates into segments
Segmental degeneration
49
Md occlusal plane should be ___ during exo
Maxillary???
Parallel to floor
| Create acute angle in rel to floor >90 degrees
50
Mx occlusal should be in level with ___ of the dentist
Shoulder
51
Assistant should be ___ inches higher than the dentist
4 inches
52
Position of dentist when working
Assistant????
10-12 oclock
1-3 oclock
53
First force applied to a tooth after forcep adaptation
Apical
54
Rotation can be used in what teeth
ALL TEETH
55
Order of force used in tooth removal
```
Apical
Buccal
Lingual
Rotation
Traction
```
56
Order of tooth to be removed
Mx then md
| Post to ant
57
More buccal or facial force on all teeth except
Md molars - lingual!
58
Elevator for RF
Cryer or kryer
59
Elevator alone in exo
3rd molar
60
Mx 3rd imfectiom where does infection go
Infratemporal space
61
Root fragment removal
Apexo elevator
62
Straight elevator
301 304
63
Angled elev
302, 303
64
Triangular elevators
Cryer 25
| Crossbar not for mx
65
Movements for elevators (2)
Wedging
| Wheel and axle
66
Loc of non impacted max 3rd displaced molar
Impacted mx???
Impacted md???
Mx sinus
Infratemporal space
Submandibular space
67
Holds tongue or cloth
Towel clip
68
For tongue retraction; heart shape
Weider retractor
69
For removal of epulis fissuratum
Allis tissue forcep
70
For holding cyst during enucleatio
Babcock’s tissue holding forceps
71
Remove tooth elevated from socket
Russian tissue forcep
72
Bone removal esp for interradicular bone
Blumenthal rongeur
73
Splits bone for orthognathic surgery
Osteotome
74
Carbide bur for surgery (3)
557 703 8
75
Cuts bonr with chisel and osteotome
Surgical mallet
76
For draining pus from abscess
Sinus forceps
77
For undermining tissue
Iris and metzenbaum scissors
78
Curve scissors for cuting suture
Dean scissors
79
If vertically incised on bony areas =
Wound dehiscense
80
Rupture of wound along a suture line
Wound dehiscense
81
Vert incision aka
Releasing incision
82
Root exposure without alveolar crest resorption
Fenestration
83
Root exposure with alveolar crest
Dehiscence
84
Most common nerve damaged during impacted 3rd md molar removal
Lingual nerve
85
Most common flap
Envelope flap
86
Flap in apicoectomy
Semilunar flap - assoc with scar formation
87
Flap with best blood supply
Envelope flap
88
Flap with least blood supply
Trapezoidal flap or sulcular foap
89
Modified trapezoidal flap aka (2)
Leubke ochsenbein flap or submarginal flap
90
Most common position in mx according to winter
Vertical
91
Most difficult position in mand but easiest in mx according to wnter
Distoangular
92
Position where u always require bone removal and splitting
Least common in mand
Horizontal
93
Oro antral communication may result to (2)
Chronic oro antral fistula
| Max sinusitis
94
Tx for palatal root displaced in mx sinus
Caldwell luc technique
| Canine fossa access
95
Large oro antral closure (2)
Pedicle flap - great palatine a.
| Berger’s flap or buccal advancement flap
96
Ludwigs angina bilateral involvement
Submd, submental, sublimgual
97
Accumulation of salivary gland product in lips
Mucocele
98
Accumulatiom of salivary gland products in floor of mouth
Ranula
99
Tx for mucocele and ranula
Enucleation and excision involving minor salivary gland involved
100
Angulated duct
Wharton’s duct
101
Common gland involved in sialoliths
Submd gland - whartons duct
102
Hx of SCC
Keratin pearls
103
Non Neoplastic necrosis of minor salivary gland of palate
Necrotizing sialometaplasia
| 1-4 cm size
104
Px with necrotizing sialometaplasia complains of
Palate falling off
105
Diff diagnosis of necrotizing sialo
SCC
106
Biopsy for small incision <10 mm or <1 cm
Excisional biopsy
107
Biopsy for large lesion
> 10 mm or >1 cm
Incisional
108
Necrotizing sialometaplasia heals within
10 WEEKS
109
Tx for sialometaplasia
No tx
110
Presence of small red spots in palate assoc with smoking
Stomatitis nicotina
111
Most common skin cancer in oral cavity
scc
112
Complete removal of cyst without rupturing
Enucleation
113
Removal for 1-2 mm of bone around periphery of cyst
Currettage
114
Marsupialization aka
Partsch tenchnique or decompression technique
115
Create surgical window in lining of cyst
Marsupialization
116
Marsupilization result to dec
Pressure in cyst = dec size
117
Removal of tumor by dissecting uninvolved tissues around tumor
Resection
118
Most common technique in radiotherapy
Fractionation
119
Oral complication to radiotherapy
Mucositis
| Osteoradionecrosis
120
Lymphoma radiation needed to kill
45-60 grays — 1.8 to 2 gy for every session
121
Most common fracture site of md
Neck of condyle
122
2nd most common site of fracture in md
3rd???
Angle
Body of md
123
Least common site of fracture of md
Coronoid process
124
Fracture in R condylar neck will cause md to deviate to what side
Due to pull of
Right side
Left lat pterygoid muscle
125
During protrusion tongue deviate tomgue to the right what nerve is damaged
R hypoglossal n.
Due to pull of left genioglossus muscle
126
Prolonged immobilization of TMJ due to condylar fracture may lead to
Ankylosis
127
Fracture in angle of md will cause displacement of proximal fractured bone towards the
Masseteric muscle move ant and superiorly
128
Type of jaw fracture that may cause airway obstructiin
Bilateral jaw fracture
129
W deformity in submentovertex radiograph
Zygomatic arch fracture
130
Common to csf rhinorrhea
Le fort 2
131
Le fort 1 aka
Horizontal
Guerin
Transverse mx fracture
132
Le fort 2 aka
Pyramidal
133
Le fort 3 aka
| Characteristics
Transverse
Raccoon eyes
Battle sign or stylomastoid ecchymosis
SEEN ALSO IN BASILAR FRACTURE
134
Submentovertex rx aka
Jug handle view
135
Why is there why limited mouth opening in zygomatic arch fracture
Compression of coronoid process
136
Fractures using submentovertex rx (2)
Basilar fractures
| Zygomatic arch fracture
137
Fracture of cranial base
Basilar fracture
138
Fracture of orbital floor resulting to ______
Blow out fracture
Enophthalmos
139
Rx for condylar fractures
Reverse towne rx
140
Rx for occipital fracture
Towne’s rx
141
Rx for maxillary sinus
Water view
142
Most commonly involved bone with open or compound fracture
Tibia or shin bone
143
Tx for fracture
Reduction (close or open)
144
Fracture repair steps (4)
Hematoma
Fibrocartilagenous callus formation
Bony callus formation
Bone remodeling
145
Dse presents saber shin (2)
Rickets
| Congenital syphilis
146
Most common extraoral site for autograft donor
Intraora
Ilium
Tuberosity
147
Donor and recipient are different indiv, but of the same species
Isograft
Twins
148
Donor and recipient are diff indiv and genetically diff, but still part of same specie
Allograft
Cadaver
149
Donor and recipient not part of same specie
Xenograft
Bovine bone
150
Synthetic graft
Alloplastic graft
151
Stimulates osteoprogenitor cells to differentiate into osteoblast
Osteoinductive
152
Vital osteoblast from graft contribute to new bone formation
Osteogenic
153
Bone serve as scaffold for osteoblast
Osteoconductive
