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Question 1

What are some reasons for extracting teeth?

Answer 1

To relieve pain
To eliminate infection
Gross caries
Periodontal mobility
Improve aesthetics
Ortho reasons

Question 2

What is vertical impaction?

Answer 2

Where the tooth is stuck in the ramus of the mandible

Question 3

What is horizontal impaction?

Answer 3

Where the tooth is on its side

Question 4

What is mesial impaction?

Answer 4

Where the tooth gets stuck on the distal surface of the tooth in front of the

Question 5

Why might an implant be carried out?

Answer 5

To replace missing teeth to improve function and aesthetics in the mouth
Permanently closes a gap

Question 6

Why is a labial fraenectomy carried out?

Answer 6

To close a midline diastema between the upper front incisors.
Done by cutting and removing part of the fraenum so the teeth can be moved to close the gap with ortho once healed

Question 7

Why is a lingual fraenectomy done?

Answer 7

Usually done on tongue tied infants to help free the tongue so they can move it about and feed

Question 8

Why might a biopsy be taken?

Answer 8

If patient has persistent symptoms such as white or red patches in mouth, ulceration, lumps, radiographic abnormalities

Question 9

What does a biopsy show?

Answer 9

Shows if a disease is present and helps to identify if it is benign, malignant or pre-malignant

Question 10

Why might retained roots be removed?

Answer 10

To remove risk of infection, or if they are causing the patient pain

Question 11

Why might an impacted tooth be removed?

Answer 11

Pericoronitis, can be a food trap, making it difficult to clean and can cause gum disease or caries

Question 12

Why might an operculectomy be carried out?

Answer 12

If the patient doesn’t want the tooth removed, or if removing it will pose a risk of nerve damage
Removing the operculum can make the area easier to clean

Question 13

What is the purpose of raising a mucoperiosteal flap and bone removal during MOS?

Answer 13

Helps gain access to the tooth and improve visibility
Bone removal helps the tooth to move and be released from the bone as safely as possible without causing damage to surrounding nerves

Question 14

Why do post op instructions need to be followed?

Answer 14

To reduce the risk of infection and help the healing process of the sockets and surrounding tissues. Can cause a dry socket if blood clot is disturbed

Question 15

How can nerve damage occur?

Answer 15

When administering LA, when removing lower teeth as roots can be close to inferior dental nerve

Question 16

How can a haemorrhage occur?

Answer 16

If any vessels are damaged during surgery as the oral cavity has a rich blood supply.
Also more likely if patient is on blood thinners

Question 17

What are the 3 types of haemorrhage?

Answer 17

Primary - occurs during XLA or biopsy as tissues are incised
Reactionary - occurs afterwards if clot is disturbed
Secondary - occurs 3-10 days after, normally a dry socket

Question 18

How do you prevent a haemorrhage?

Answer 18

LA containing vasoconstrictor
Use pressure packs, gauze and haemostatic squares
Sutures can be placed also

Question 19

What is an Oral Antral Fistula/Communication

Answer 19

When a hole occurs between the mouth and the sinus during upper teeth extractions, creating a communication between the two

Question 20

What happens if an OAC occurs?

Answer 20

If small it can close on its own or be sutured, or may need referral to DH
Dentist should take x-ray before treatment to determine how high the risk of creating a communication is

Question 21

What is localised osteitis?

Answer 21

Inflammation of the bone, occurs when blood clot has been disturbed or hasn’t formed properly (dry socket)

Question 22

What are the post op instructions?

Answer 22

Don’t chew or have hot things while being numb
Eat on other side for a few days and have a soft diet
Avoid smoking/vaping
Take usual painkillers if necessary
Don’t exercise or drink alcohol for the rest of day as can make it bleed
Don’t rinse for first 24 hours, then 3x daily with salt water
If bleeding occurs bite down on gauze for 10-20 mins and contact surgery if doesn’t stop
Brush teeth as normal but be careful in the area

Question 23

A patient is fit to leave the surgery when…

Answer 23

Haemorrhage is under control, check the patient is feeling okay, check they have an escort if been sedated, check they are clear on instructions for afterwards and given a written copy