MD ORAL SURGERY Flashcards
T or F:
questionable teeth should be extracted before radiation therapy
TRUE
to avoid ORN
when getting head and neck radiation, what should be done before and after an extraction?
HYPERBARIC OXYGEN
for pericoronitis treatment, what should be done first?
TREAT INFECTION
MOST COMMON 3 TYPES OF IMPACTED TEETH?
- MAND THIRD
- MAX THIRD
- MAX CANINES
primary reason for impacted teeth?
inadequate arch length
3 MOST COMMON CONGENITALLY MISSING TEETH?
- THIRD MOLARS
- MAX LAT INCISORS
- MAND 2ND PM
easiest and hardest extraction?
soft tissue impaction
full bony impaction
partial bony impaction
easiest: soft tissue
hardest: full bony
WINTERS CLASSIFICATION:
for what teeth?
how do we categorize the teeth?
IMPACTED THIRD MOLARS
LONG AXIS and ANGULATION
winters classfication, which is EASIEST which is HARDEST
vertical
mesioangular
horizontal
distoangular
buccolingual
others
easiest: MESIOANGULAR
hardest: DISTOANGULAR
PELL AND GREGORY CLASSIFICATION:
for what teeth?
how do we put into category?
LOWER third molar
A,B,C; I, II, III
PELL AND GREGORY CLASSIFICATION:
WHAT IS MOST DIFFICULT?
Level C Class III
how to avoid subperiosteal abscess?
IRRIGATE !!
( remove tooth fragment below soft tissue)
WHAT IS ORO-ANTRAL COMMUNICATION?
MOST COMMON IN WHAT TEETH?
TMNT?
puncture from oral cavity to sinus
MAX FIRST MOLAR
>2 mm: do nothing
2-6 mm: 4 A’s (AB, antihistamine, Afrin nasal spray, analgesics)
> 6mm: flap surgery
WHEN BLOOD CLOT DISLODGED BEFORE WOUND HEALING THIS IS CALLED WHAT?
tmnt?
ALVEOLAR OSTEITIS ( inflammation of bone)
TX: irrigation and pain control
most common nerve injury to lower nerve caused by what?
LOWER THIRD MOLARS
IAN
TOOTH DISPLACEMENT:
MOST COMMON ONE?
MAX 3RD MOLAR: INFRATEMPORAL FOSSA
MOST COMMON TOOTH DISPLACEMENT FOR MAX FIRST/ 2ND MOLAR?
MAX SINUS
MOST OCMMON DISPALCEMENT FOR MAND THIRD MOLAR?
SUBMANDIBULAR SPACE
WHICH SITE OF TOOTH GETS LOST IN THAT YOU HAVE TO SEND TO ER FOR CHEST XRAY?
OROPHARYNX
PURPOSE OF BITE BLOCK?
BETTER VISUALIZATION
MOST COMMONLY USED ELEVATOR?
STRAIGHT ELEVATOR (301)
PICK ELEVATOR USED FOR?
LEVER
WEDGE
WHEEL AND AXLE
WEDGE
STRAIGHT ELEVATOR USED FOR ?
LEVER
WEDGE
WHEEL AND AXLE
LEVER
TRIANGULAR ELEVATOR (CRYER) USED FOR ?
LEVER
WEDGE
WHEEL AND AXLE
WHEEL AND AXLE
WHIH ELEVATOR USED FOR REMOVING BROKEN ROOT LEFT IN SOCKET
CRYER
STRAIGHT
ROOT PICK
CRYER
WHICH EXTRACTION FORCEPS ARE THE WORK HORSES?
150: UPPERS
151: LOWERS
how to avoid subperiosteal abscess?
IRRIGATION!
what is oro-antral communication?
what teeth most common in?
SINUS OPENING
MAX 1ST MOLARS
TREATMENT FOR ORO-ANTRAL COMMUNICATION
ORO= MOUTH
ANTRAL= SINUS
<2mm do nothing
2-6 mm: 4 A’s ( AB, Antihistamines, Afrin Spray, Analgesia)
>6mm = flap sirgery
WHEN A BLOOD CLOT DISLODGES THIS CAN HAPPEN? TX?
board ?
ALVEOLAR OSTEITITS ( bone inflammation)
TX: irrigation and local pain control
nerve injust most common with what 2 things in the mandible?
lower third molars
IAN
MOST COMMON SITE AND TOOTH FRO TOOTH DISPLACEMENT?? ***
MAX THIRD MOLARS: INFRATEMPORAL FOSSA
WHERE DO MAX 1ST AND 2ND TEETH DISPLACE?
MAX SINUS
WHERE DO MAND THIRD MOLARS DISPLACE?
SUBMANDIBULAR FOSSA
THIS AREA IS WHERE A TOOTH GETS LOST AND YOU HAVE TO SEND TO ER FOR CHEST XRAY ***
ABDOMINAL XRAY
bite block used to keep the patients mouth open which provides what?
VISUALIZATION
MOST COMMONLY USED ELEVATOR
STRAIGHT ELEVATOR (301)
TRAIANGULAR ELEVATOR (CRYER) USED FOR?
LEVEL
WHEEL AND AXLE
WEDGE
WHEEL AND AXLE
straight elevator used for?
LEVEL
WHEEL AND AXLE
WEDGE
lever
pick elevator?
LEVEL
WHEEL AND AXLE
WEDGE
wedge
for removing broken root tip left in socket:
Cryer
pick elevator
straight elevator
WHAT ARE 2 UNIVERSAL FORCEPS?
150: UPPER
151: LOWER
MOST COMMON BLAD FOR ITNRAORAL SURGERY
15
WHAT IS THE PURPOSE OF IRRIGATION during surgery?
PREVENTS HEAT GENRATION
after remove tooth what is next step?
CURETTE!!
ALWAYS CURETTE SOCKET
which bone removal what handpiece should you never use and why?
air-driven BECAUSE DRIVES AIR INTO SOCKET
type of motion with bone file?
pull stroke
what is the purpose of hemostat?
HEMOSTASIS:
clamp blood vessesls before suturing
face of beak of needle holder is what shape?
crosshatched
Primary purpose of of suture is to ___
immobolize flap
suturs should be placed from ___ tissue to __ tissue
moveavle to non-moveable
easiest and most common suture technique?
simple interrupted
silk has what property that allows bacteria to invade?
WICKENING
THESE FORCEPS HSOULD BE USED TO HANDLE SOFT TISSUE AND THESE SHOULDNT
Asdson tissue
utility forceps ( picking up tray items)
whenver you luxate tooth what should fulcrum be ?
what does luxating tooth do to bone?
ALVEOLAR BONE
expansion
teeth with multi rooted teeth should be extracted with forceps how?
hold buccaly for 10 seconds then hold palatally
NO ROTATION !!
AFTER TOOTH REMOVED FROM SOCKET 3 STEPS
CURETTAGE
SMOOTH BONE WITH FILE
IRRIGATE
T OR F
FLAP DESIGN ALWAYS WANTS FULL THICKNESS FLAP
TRUE
T OR F
incisions should be made over intact bone
T!!!
dont want over defects or eminences !
where should vertical releases of flap be??
LINE ANGLES !
THIS TYPE OF INCISION USED FOR APICOECTOMY?
SEMILUNAR INCISION
apical!!
APICALLY DISPLACED FLAP IS IMPOSSIBLE IN WHAT AREA ?
BOARD ?
MAXILLARY PALATAL
INCISION FOR PALATAL TORI REMOVAL?
DOUBLE Y INCISION
T or F age is not a contraindication to implants?
true
best type of implant?
transosteal
endosteal
subperiosteal
ENDOSTEAL
PURPOSE OF IMPLANT BODY?
SEQUENTIALLY ENLARGE OSTEOTOMY
ONE-PIECE VS 2-PIECE ABUTMENT:
which one has antirotation component?
TWO PIECE
which is better for restricted restorative space?
screw-retained implant
cement-retained implant
screw
WHICH CAUSES PERI-IMPLANTITIS?
screw implant
cement implant
CEMENT:
cement trapped subgingivally
which can correct angle between 2 components?
one-piece implant
two-piece implant
two-piece
which is abutment antirotation component ?
2 piece
internal hex (lock and Key) and external hec
when looking at an implant we see that there is no fibrous tissue layer between implant and bone. what does this mean?
success of osteointegration !!!
we want direct contact between bone and implant
PRESENCE OF FIBROUS TISSUE LAYER BETWEEN IMPLANT AND BONE. WHAT DOES THIS MEAN FOR IMPLANT? WHAT IS THIS CALLED?
fibrousintegration
FAILURE of implent to osteointegrate
primary vs secondary stability for implants?
PRIMARY: how well screw stays in bone
SECONDARY: osseintegration
what type of bone and area of bone has highest success rate?
TYPE 1 DENSE
ANT. MANDIBULAR
BONE QUALITY THAT HAS THE LOWEST SUCCESS RATE AND TYPE OF BONE AND LOCATION?***
TYPE IV SOFT
POST MAX