Apicectomy

Question 1

What is an apicectomy?

Answer 1

Apicectomy - removal of the apical portion of the tooth and any infective tissue and sealed with retrograde filling (RRF)

Question 2

What is the main aim of an apicectomy?

Answer 2

Prevent bacteria causing inflammation in the periodontal ligament and beyond

Question 3

List 4 symptoms of a failed endo treatment:

Answer 3

1. Pain
2. Sinus involvement
3. TTP
4. Bad taste in mouth

Question 4

What is apical delta?

Answer 4

Apical delta is the branching pattern of small accessory canals and minor foramina seen at the tip or apex of some tooth roots

Question 5

List 3 solvents which can be used to try to breakdown existing GP:

Answer 5

1. Chloroform
2. Orange oil
3. Eucalyptus oil

Question 6

What is the risk associated with using chloroform as a solvent to remove GP?

Answer 6

Risk of extrusion - chloroform can cause tissue necrosis if extruded through apex

Question 7

Which teeth would apicectomies be carried out by a GDP?

Answer 7

UR3-LL3

Question 8

Why is MTA the most suitable endodontic cement and the best choice for root end fillings?
(give 3 reasons)

Answer 8

1. Extremely biocompatible
2. Capable of stimulating healing and osteogenesis
3. Hydrophilic

Question 9

List 5 complications of an apicectomy?

Answer 9

1. Perforation of lining of antrum
2. Haemorrhage during procedure
3. Damage to adjacent teeth/nerves
4. Surgical emphysema (shortness of breath)
5. Recession of gingival margin
6. Recurrent apical infection