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Oral surgery Flashcards

1
Q

Primary Maxillary space

A
  1. Canine Space
  2. CST
  3. Buccal Space
  4. Infratemporal space
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2
Q

Primary Mandibular Space

A
  1. Submental
  2. Sublingual
  3. Submandibular
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3
Q

Incision Canine space

A

Levator labii superioris alaque nasi mucle

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4
Q

Most dangerous space

A

Canine Space

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5
Q

hematogenous route canine space infection

A

CST

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6
Q

Anterior CST

A

Superior & Inferior Opthalmic Veins

Facial Vein

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7
Q

Posterior

Nerve

A

Pterygoid plexus
Emissary Veins
3,4 , V1, VI

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8
Q

important structure in buccal space

A
  1. Buccal fat pad
  2. Stensen’s duct
  3. Facial Vein
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9
Q

Infratemporal Space

most common muscle

A

Medial pterygoid

Trismus

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10
Q

intraoral drainage

extraoral drainage

A
  1. Sublingual

2. Submandibular (submaxillary)

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11
Q

most common fascial space infection

A

Vestibular space

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12
Q

unilateral swelling submental , submandibular, sublingual

A

Cellulitis / Phlegmon

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13
Q

sublingual infections

A

Glossoptosis

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14
Q

submandibular inf3ction

A

Breathing

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15
Q

infection from buccalmspace & mandibular 3rd molar w/ pericoronitis

A

Masseteric

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16
Q

infection from submandibular & sublingual spaces
Nerves:
Structures
Incision

A

Pterygomandibular space

  • Mental, lingual, IAn, Aurriculotemporal & Mylohyoid
  • Structures: Medial pterygoid. latrral pterygoid, Medial surface of ramus
  • Incision- Buccinator
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17
Q

dumb bell appearance

A

Temporalis space

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18
Q

What primary space common in trismus

A

Infratemporal Space

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19
Q

2nd space common in trismus

A

Masticator Space

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20
Q

masseteric, pterygomandibular, temporalis are taken as a group. Trismus is common

A

Masseteric space

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21
Q

Mangagement in trismus

A

Warm compress

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22
Q

infected mand. 3rd molar , tonsillar infections. pharyngitis, & parotitis
Hot potato voice

A

Lateral Pharyngeal Space

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23
Q

it extends from skull base superiorly to diaphragm inferiorly
Mediastinitis

A

Prevertebral Space

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24
Q

Lincoln High way of the neck

A

Visceral Vascular Space

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25
First paransal sinus developed. Lined w/ Adult max. AP, height, width Volume
Maxillary Sinus ( Anthrum of Highmore) Pseudostratified Squamous Epithelium Ciliated w/ goblet cell Schneidarian Membrane Cilia Microtubule 34 Ap, 33, 23 15
26
max. posterior teeth on cheek area react normally to vitality test discomfort in mucobuccalmfold during palpatiom radiographic appearsnce of clouding & fluid levels
Acute Maxillary Sinus
27
it involves non-vital teeth
Odontogenic Sinusitis
28
causative agents of sinusitis
gm (+) - Strep. Pneumonie | gm(-)- Haemophilus Influenzae
29
Location of drainage of maxillary sinus
Middle Nasal Concha/ Middle Meatus | Opening. Hiatus Semilunaris
30
Alveolar bone opening
Osteum
31
gold standard in diagnostic salivary gland radiology that aids in detection of radioapaque stones (sialolith)
Sialography
32
dilation of salivary duct "sausage-like" pattern to disgnose sialolith common
Sialodochitis | Whartons Duct
33
inflammation of acino- parenchyma of the gland | Sign pre-cancerous lesion
Sialodenitis
34
total removal of cystec lesion without ruoturing thr cystic lining
Enucleation
35
Indication for Enucleation
1. Unilocular. 2. Asymptomatic 3. Less than 1-cm cystic lesion
36
removal of 1-2mm of bone arounfpd the entire periphery | to prevent recurrence
Enucleation w/ Currettage
37
Main tx of OKC
Curettage
38
Indications Of Curettage
Multiple Radiolucencies
39
creating a surgical window in the wall of the cyst& lining of cyst is left in situ
Marsupialization/ Partsch I technique / Decompression
40
Indication of Partch 1 Technique / Marsupialization
Obj. - To spare vital structure from damage Larger than 1-cm cystic lesion Symptomatic
41
combination of marsupialization with enucleation
Partsch II
42
mainly indicated in Ameloblastoma & CEOT
Resection
43
prevent cancer cell from dividiing
Radiotherapy
44
2 wks after of radiotherapy
Mucositis
45
3 wks after of Radiotherapy
Dysgeusia
46
Most common infection in radiotheray
Candida Albicans
47
Dose of radiotherapy
30-40 Gray | Maximum- 50
48
Major adverse effect of radiation in oral cavity
Osteoradionecrosis - BV - mandible less vascularizesd
49
injecting chemical that act by interfering the rapidly growing tumor cells & some of it applied IV
Chemotherapy
50
common complicatiom of chemotherapy
Infections Bleeding due to - thrombocytopenia decrease platelet Bone Marrow Damage Extract- 7-10 days before chemo
51
most common fracture in the body
clavicle
52
most common facia fracture | Repairing
Nasal | 7-10 days
53
used to reduce nasal fracture
Asche's forceps | Walsham's
54
2nd most common facial fracture
Mandible
55
Mandible fracture
1. Condyle - 29.1% 2. Angle- 24.5%- weakesr, common fracture odontectomy antero-fracture; Subcondylar neck 3. Symphysis- 22% 4. Body- 16% 5. Mand. teeth- 3.1% - most common infections, open salivary contamination 6. Ramus- 1.7% 7. Coronoid- 1.3% - least
56
Bilateral fracture of Symphysis of Mandible gives a
Bucket- Handle Appearance
57
Most common sign mandibular fracture
Malocclusion
58
most common sign of malignancy
Paresthesia
59
muscle involved in displaced mandibular fracture
Lateral Pterygoid
60
pathognomonic sign guerin sign, floating jaw | Instruments
Le Fort I | Rowe's Disimpaction forceps
61
pyramidal fracture base apex Pathognomonic sign
Le Fort II Dentition Nasofrontal Suture Battle's Sign / Post- auricular ecchymosis
62
dish face | CSF Rhinorrhea
Le Fort III / Transverse / Craniofacial Dysostosis
63
Le fort III associate with Battle sign
Cranial Base Fracture
64
with sign of Diplopia
Craniofacial fracture
65
most common midface frature Symptom: Radiographic techniquw
Zygomatic Complex fracture Infraorbital nerve paresthesia Submentovertex view
66
most severe
Le Fort III / Dish Face
67
Le Fort Midface Fracture Radiographic technqiue
Waters View/ Occipitomental view
68
best stool to diagnose midface fracture
CT scan
69
blow in fracture
socket ball baseball pingpong
70
incomplete fracture, children fastest progession onfection due to osteid
Greenstick / Bamboo
71
complete transection of the bone with minimal fragmentation
Simple ( closed fracture
72
communicatiom with the external environment of the oral cavity Most common to have infection
compound (open fracture)
73
fractured bone is left on multiple segments. Most common blockage in breathing
Comminuted | Gun shot wound
74
Debridement
0.9 NSS
75
devitalization of the mandibular teeth | premolar
Subapical Osteotomy
76
used for correction of mandibular prognathism
Vertical ramus osteotomy
77
work-horse of the surgery Class II skeletal open body (advancement) Skeletal class II mandibular retrognathism class II due to max. protrusion
Bilateral Sagittal split osteotomy

DLE (14 decks)

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