Oral Surgery Flashcards
Main function of FLAP
Access!
Right handed dentist’s static zone
12-2 o’clock
Right handed dentist’s transfer zone
4-7 o’clock
Right handed dentist’s Operation zone
7-12 o’clock
Right handed dentist’s assistant’s zone
2-4 o’clock
hand instrument that is semi-critical that do not penetrate tissue/soft tissue but contact oral tissues
Mouth mirror
non-critical instrument that do not come in contact with oral & body fluids
Liners and Bases, compo.. etc.
a category of instrument that has direct contact with soft tissue/bone
Critical Instrument
- forceps etc.
Grasp for Control
Pen Grasp
Grasp for Force
Palm Grasp
Preferred type of tissue handling/forcep
Hooks or toothed forceps
most commonly used irrigant
0.9%NSS
BOARDS: 0.85% NSS
Major organ for Clot formation
Liver
the mechanism that leads to cessation of bleeding from a blood vessel,
Clot formation is also called
Hemostasis
Primary method for achieving site hemostasis
PRESSURE
- Small Blood V: 20-30 sec
- Large BV: 5-10mins
tea bag promotes clotting mechanism because of its content
Tannic Acid
dead space management placement of pack pressure dressing called
Surgicel
careful removal of necrotic, foreign & severely ischemic material
Debridement
Most commonly used debridement
3% Hydrogen Peroxide
- used for mouthwash ANUG
- intracanal medicament
Abnormal accumulation of fluid, blood vessel leakage into nearby tissues
EDEMA
Areas of high blood vessel connective tissue in oral cavity
Lips & Flood of the mouth
px with recent heart attack, MI, will have a surgery after?
6 months
A patient is undergoing dialysis, surgery is scheduled
the day after dialysis
Main function of Flap
Access/Accessibility
Separation of flap, dead space
Dehiscence
flap that includes periosteum, mucosa, submucosa, and it is needed in any type of BONE surgery
Full-thickness flap
flap used in apicoectomy (very effective), small cysts and root tips. Bow-shaped and a curve incision. the lowest point of incision must be 0.5cm from free gingival margin
Semilunar Flap
the four corner flap. two oblique incision extending to buccal vestibule. The rule is 1 ant. and 1 posterior.
Trapezoidal Flap
- attached gingiva can have recession
the most commonly used flap in odon./ all procedure.
rule: 2 ant. 1 post.
also known as sulcular flap.
Envelope Flap
Pedicle and bergers flap is used in
Closure of oro antral fistula
a form of buccal mucosal flap and the most commonly used flap to close oro-antral fistula
Bergers Flap
a form of palatal mucosa flap to close oro-antral fistula
Pedicle Flap
Flap used in torus removal
Y flap tech.
Flap used in PFM
Ochsenbeinluebke / Alveolar -mucosal flap / Submarginal Flap
a form of open curettage procedure, debridement of root surface & rem. of granulation tissue. Indicated to all types of periodontal disease
Modified-Widman Flap
(not to eliminate pocket)
Used to stabilize flap
Suture
smallest suture available in the market
11-0
- for eyes
largest suture available in the market
7
most commonly used suture in dentistry
3-0 black silk
non-resorbable sutures is best used in
Multiple extraction
most intensive non-resorbable suture inflammatory response
Silk
-came from silk worm
-most economical.
1st synthetic suture
Nylon
a ____ suture is used in single exo, mentally handicapped children
Resorbable
Gut came from
Cattle intima
MC used knots in dentistry
Triple Throw Knots
Basic of most knots
Single Knot/Half Hitch
Removal of non resorbable suture intraoral
5-7 days
removal of suture in scalp
5-7
Resorbable suture that has high inflammatory response
GUT
Suture cut - mm from the knot
2-3
Suture placed 2-3 mm from the incision line - mm apart.
3-4
stitch technique used for closure of extraction sites
Figure of 8 / “Stitch Tie”
most commonly used drain
1/4 inch Penrose drain
most common reason of extraction
Caries
2nd most common reason of extraction
Necrotic pulp/Irreversible pulpitis
most commonly used Scalpel #
3
ends of Mucoperiosteal elevator/ Molt 9 for twisting, prying motion to elevate interdental papilla
SHarp end
ends of Mucoperiosteal elevator/ Molt 9 for push stroke to separate periosteum from the bone
Blunt End
most common retractor
Austin, Minnesota
Most commonly used tongue retractor
Mouth mirror
enucleation is also known as
Cystectomy
hold cyst during enucleation
Bobcock
most commonly used hemostat to control hemorrhages
Curved hemostat
most commonly used to remove bone
Rongeur
- side and end cutting most practical use
removes/smoothen rough edges of bone
Bone file
- always toward the operator
- pull stroke in general
Removal of cyst/granulation from socket, removes soft tissues from bony cavities
Curette
- Angled double ended most commonly used
most commonly used scissor to cut suture
Dean’s scissors
most commonly used needle holder
Meyo-hegar
most commonly used suture in oral mucosa
3-0 black silk
most commonly used irrigation
NSS 0.9%
BOARDS: 0.85%
extractions key instrument, loosen tooth from surrounding bone.
Elevators
most commonly used elevator
straight elevator
elevator follows the principle of
Lever
alveolar bone removal of an elevator-luxated teeth from socket
Forceps
tractional force of forceps
Passive
beak of the forceps should adapt
to the root as apical as possible
Forceps 69
Root fragment Max & Md.
Cowhorn
16 mandi molars
210s
max 2m.
positioning of mandibular extraction
Occlusal plane be parallel to the floor, patients mouth is at or slightly below the operator’s shoulder
positioning of maxillary extraction
Patient’s mouth is at the operator’s shoulder
occlusal plane be 45-60degree from the floor.
extraction sequence
Max Post, Max ant, max 1 m and max canine
Mand post, mand anterior, Mand 1m and mand canine
Most critical force/major motion in primary tooth
Lingual Force