Oral Surgery Flashcards
What type of complication occurs during an operation?
Peri-operative complications
What are the peri-operative complications of an extraction?
GENERAL (2)
1. Difficult access
2. Abnormal resistance
TOOTH (4)
3. fracture of root / crown
4. fractures of alveolar bone
5. fracture of jaw
6. fracture of tuberosity
COMMUNICATION (2)
7. OAC
8. Root in antrum
SOFT TISSUE (4)
9. Soft tissue damage
10. Nerve damage
11. Haemorrhage
12. TMJ dislocation
SURROUNDING STRUCTURES (5)
13. Wrong tooth
14. Damage adjacent teeth/rests.
15. Extract tooth germ
16. Broken instruments
17. Loose tooth
Extraction Peri-operative complication information on: Access
(Why difficulty)
Extraction Peri-operative complication information on: Abnormal resistance
Extraction Peri-operative complication information on: Fractured tooth/root
anatomical and disease Causes:
.
Extraction Peri-operative complication information on: fractured alveolar bone
Cause
Most common area
Treatment
Extraction Peri-operative complication information on: fractured mandible
Common causes
Prevention
Symptoms
Response /treatment
Extraction Peri-operative complication information on: fractured tuberosity
Most common area
cause (increasing risk)
diagnosis
management
process for tooth if remains
Extraction Peri-operative complication: OAC
- what?
- diagnosed by?
- risk factors?
- Management
.
Extraction Peri-operative complication information on: Root in antrum management
Extraction Peri-operative complication information on: soft tissue damage prevention
Prevention
- correct placement of instrument
- controlled pressure
Extraction Peri-operative complication information on: haemorrhaging
types
cause / increased risk factors
treatment (hard and soft tissue)
Extraction Peri-operative complication information on: nerve damage
(causes, types, symptom types)
Chemical injury
Extraction Peri-operative complication information on: TMJ dislocation management
Extraction Peri-operative complication information on: wrong tooth prevention
Extraction Peri-operative complication information on: Lost tooth and where
inhalation most likely in right bronchi
Extraction Peri-operative complication information on: Extract tooth germ
(where common?)
Rare, molars
Extraction Peri-operative complication information on: damage to adjacent teeth / restorations
(how, management)
Extraction Peri-operative complication information on: broken instrument
- Tips of elevators/luxators/burs
- Radiograph and retrieve/refer if cant
- Contact defence union
Post extraction instructions
- no smoking for 24hrs
- explain LA wearing off etc (3-4hrs)
- swelling normal, worst 2-3 days after
- sudden pain increase after few days = infection so contact us
- bruising normal - lasts two weeks
- mouth opening can be restricted for about a week
- if stitches, should fall out and disappear after 7-10 days (unless told otherwise)
Extraction Immediate / short - Post-operative complications
soft tissue (4)
1. pain / swelling / bruising (Ecchymosis)
2. trismus
3. nerve damage
4. haemorrhaging
Hard tissue (3)
5. dry socket
6. sequestrum
7. infected socket
Extraction long term post-operative complications
- OAF (chronic)
- MRONJ
- ORN
- Osteomyelitis
- Infective endocarditis
- Actinomycosis
*2-6 much rarer
Extraction immediate post operative complications: pain / swelling / ecchymosis
(what makes worse)
Pain
- exposed bone
- rough handling soft tissue
- incomplete extraction
Rest:
- Rough handling of soft tissue
- Pulling flaps
- Tearing periosteum
Extraction immediate post operative complications: trismus
(cause, treatment)
Extraction immediate post operative complications: haemorrhaging
- short term and long term causes
- treatment
.
Extraction immediate post operative complications: nerve damage
(types and symptoms)
Extraction immediate post operative complications: dry socket
- how occurs?
- predisposing factors?
- symptoms? (3)
- when happens and how long lasts?
- how manage?
Predisposing factors - vasoconstrictor (smoking), the pill, mandible
Extraction immediate post operative complications: infected socket
- effects
Rare
Effects
- pus
- bleeding
- delayed healing
Extraction Long term post operative complications: OAF chronic
Diagnosis methods
Treatment (small and large)
Extraction immediate post operative complications: sequestrum - effect
- delays healing
- quite common
Extraction Long term post operative complications: MRONJ
- cause (2)
- where occurs and how bad?
- management
- prevention
summary
- bisphosphonates (zalondonic acid / alendronic acid), angiogenic, antiresorptive drugs
- both jaws, extreme or mild
- antibiotics if pus, chlorohexidine mouth wash, debridement, sequestrectomy
- AVOID extractions if medications, extractions in primary care setting
Extraction Long term post operative complications: ORN
(cause, prevention and treatment)
Extraction Long term post operative complications: Osteomyelitis
- what is it, what it causes and how it causes this
- predisposing factors
- what is typical of this and allows for diagnosis
- treatment
(What, risk, diagnosing, treatment)
summary
- infection of cancellous bone causing increased hyrostatic pressure = lower blood flow = necrosis of hard and soft tissues
- predisposing factors = immune issue / mandible fracture
- typical - moth eaten appearance radiographically and involucrum
treatment - penicillins and debridement of necrotic tissue
Extraction Long term post operative complications: IE
(Risks and why)
predisposing risk factors
- past rheumatic fever (= heart vegetations/scarring)
- Prosthetic valves
- Previous IE
- as bacteria can colonise when bacteraemia
Extraction Long term post operative complications: actinomycosis
(what and treatment)
Aspirin
1. What
2. Effect (3)
3. How analgesic
4. Contraindications (7)
5. overdose effects
extra - disease caused when underage
Ibuprofen
1. what
2. effect
3. possible contraindications
4. side effects
5. overdose effects
paracetamol
1. what
2. effect
3. side effect
4. possible contraindications
5. overdose
NOT AN NSAID
Opioids
1. action
2. effects
3. issues (2) and side effects (3)
4. contraindications
Codeine
1. what
2. effect on oral pain
3. overdose symptoms
4. dentally relevant info
5. contraindications
General description of pain pathway
damage to tissue = prostaglandin production = higher sensitised tissue to pain and inflammation
what drug is an anticonvulsant that can also be used as an analgesic? and for what type of pain?
Carbamazepine
- neuropathic / functional pain
i.e. trigeminal neuralgia
Basic principles of Surgical access for extracting a tooth (mucoperiosteal Flap design etc.)
-Max access / min trauma
-Big and small heal at same rate
-Wide based incision for circulation
-No sharp angles and continuous cut
-Flap retraction down to bone
-KEEP MOIST
-Minimise trauma to dental papillae
-Suture over sound bone
Oral surgery: purpose of tissue retraction and types of retractors
purpose
- best access
- soft tissue protection
retractors
- howarths periosteal elevator and rake retractors
Oral Surgery: types of access flaps
- envelope flap
- 2 sided (no third mesial relieving flap) - 3 sided flap
- mesial and distal relieving flaps
Oral surgery: principles of bone drill
- electrical straight handpiece
- saline water cooled
- tungsten carbide bur
- NOT air as = emphysema
- deadly
- air blown into subcutaneous tissue and can spread = infection
types of debridement in oral surgery
- physical
- HARD - bone file / handpiece to smooth bone
- SOFT - mitchells trimmer / victoria curette to remove soft tissue debris - irrigation
- sterile saline into socket / under flap - suction
- aspirate under flap
aims of suturing (3)
- reposition tissues, covering bone
- haemostasis (compress BV)
- encourage healing
suture types / filament types
- non absorbable
- if extended retention needed (OAF) - polyfillament
- filaments twisted together
- easier to handle
- prone to wicking (infection spreads along) - absorbable
- if removal not possible / desierable
- vicryl breakdown via water absorption = polymer breakdown
filament types (absorbable / non absorbable)
- mono (resistant to wicking, less scarring)
- poly
suture needle properties
- curved
- triangular cross section
lower 8 extraction, nerves in close proximity
Lingual
Inferior alveolar
Long buccal
Mylohyoid
when is a 3 sided flap access for an extraction not possible?
when the mesial relieving flap could damage the mental nerve
Anti-fibrinolytic haemostatic agent
And other haemostatic agent
Tranexamic acid - prevents blood clot breaking down
Desmopressin (von williebrand factor and 8)
What are each for and what are the movements for each:
- Luxator
- Elevators
- for tearing periodontal ligament
- forced down long axis of tooth and slight rocking motion (NOT palatally)
- used medically, midbuccally and distaly
- for tooth removal / lifting teeth out socket / listening tooth for forceps use
- 3 actions = wheel and axil, wedge, lever (risk bone break)
3 methods of bone debridement
- Physical
- bone file / hand piece - mitchels trimmer or Victoria curette - Irrigation
- sterile saline - Suction
- under flap / in socket
What is the function of ferric sulphate
Haemostatic agent to put on pulp