Presentations of cysts / tumours

Question 1

How does ameloblastoma present?

Answer 1

Clinically:
- painless
- slow growing and locally invasive
- posterior manidble

Radiograph
- well defined
- corticated
- scalloped
- displacement and knife edge external root resorption

Question 2

How does AOT present?

Answer 2

Clinically
- impede eruption

Radiographically
- Commonly impacted canine
- attached more apical to CEJ than DC
- internal calcifications
- well defined and corticated

Question 3

How does CEOT present?

Answer 3

Clinically
- slow growing
- often unerupted tooth

Radiographically
- variable
- varying sixes of calcification

Question 4

How does odontogenic myxoma present?

Answer 4

Clinically
- slow growing, bucco-lingual expansion
- can displace teeth

Radiographically
- well defined and corticated
- small uni or large multilocular
- scalloped margins and soap bubble

Question 5

How does radicular cyst present?

Answer 5

Clinically
- painless
- used to be painful as PA granuloma

Radiograph
- well defined and corticated
- continuous with lamina dura

Question 6

How does dentigerous cyst present?

Answer 6

Clinically
- eruption cyst if blue and within soft tissues

Radiograph
- associated at CEJ of unerupted tooth
- initially symmetrical
- corticated margins

Question 7

How does OKC present?

Answer 7

2nd and 3rd decade
Male
Mandible

• mesial-distal expansion
• 25% mulitlocular
• often displacement of adjacent teeth

Question 8

How does nasopalatine duct cyst present?

Answer 8

Asymptomatic or salty discharge
- can displace teeth or cause swelling in palate

Question 9

How does Odontoma present?

Answer 9

• malformation of dental tissue
• lie above IAN
• 2nd decade
• surrounded by follicle