TOPIC: ENDODONTIC SURGERY

Q1. Define Endodontic surgery.

Ans. Endodontic surgery is defined as surgical aid to treat endodontic problems such as acute apical abscess, pulpo periodontal problems, etc.

Q2. Classify endodontic surgery.

Ans. Classification :

1.  Incision and drainage.
2. Periapical surgery.
3. Curettage.
4. Apicoectomy.
5. Retrograde filling.

Q3. Define periapical surgery.

Ans. This surgery consists of root amputation, curettage retrograde filling and apicoectomy.

Q4. Classify various zones of facial infection in surgical pathology [fish 1936].

Ans. Classification :

1. Zone of infection.
2. Zone of contamination.
3. Zone of irritation.
4. Zone of stimulation.

Q5. Classify various surgical flaps for Endodontic surgery.

Ans. Classification:

1. Semilunar flap.
2. Triangular flap.
3. Trapezoidal flap.
4. Rectangular flap.
5. Lubekoschben flap

Q6. Define Reimplantation.

Ans.  The term refers to intentional removal of tooth and its insertion into its socket after endodontic therapy and root section invitro.

Q7. Define Endodontic implant.

Ans. The Endodontic implant is a rigid structure which extends through the root canal into the periapical osseous tissue to lengthen teeth the existing root anchorage and to provide stability to the tooth.

Q8. Mention various indications for endodontic implants.

Ans. Indications :

1. To reinforce the management of transverse root fracture.
2. To stabilize the over denture abutment.
3. To stabilize during auto transplantation.
4. An adjuvant aid in pulp-periodontal therapy.

Q9. Classify various indications for periapical surgery.

Ans. Classification :

• Predisposing factors for the failure of conservative root canal therapy.

1. Unfavorable curved root apex.
2. Root resection.
3. Accessory root canals.
4. Cyst formation

• Failure following root canal therapy.

1. Inadequate or overfilled root canal.
2. Fragmentation of the instruments inside the root canal.
3. Lateral perforation.
4. Persistent periapical radiolucency.

• Inaccessibility to conservative root canal therapy.

1. Anatomical defect – dens in dente.
2. Calcified root canal.
3. Broken R.CT. Instruments in the root canal.
4. Non-vital teeth used as abutments for bridges.

Q10. Define incision and drainage.

Ans. This procedure is carried out to drain the pus and toxins from periapical lesion under antibiotic cover so that the patient is relieved of discomfort pain and swelling