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