JAVMA 2002: Results of root canal Tx in dogs: 127 cases (1995-2000)

Question 1

Authors?

Answer 1

Helena Kuntsi-Vaattovaara

F. Verstraete

Question 2

How was defined Success, No evidence of succes and failure?

Answer 2

successful: if the periodontal ligament space was normal and possible preoperative root resorption, if present, had ceased.

No evidence of failure: if possible preoperative root resorption had ceased but a preexisting periapical lesion had remained the same or only decreased in size and not complete resolved.

Failure: if a periapical lesion or root resorption developed subsequent to endodontic treatment, if a preexisting periapical lesion had increased in size, or if possible preoperative root resorption appeared to continue after endodontic treatment.

Question 3

What was the rate of success, NEF, failure?

Answer 3

Successful for 87 (69%) roots,

No evidence of failure for 33 (26%) roots

Failure: 7 (6%) roots.

Question 4

Which teeth has more RCT success?

Answer 4

MxPM4 > Canines, MnPM4, MnM1

Question 5

Which factors were associated with higher risk of failure?

Answer 5

preexisting periapical lucency

preexisting root resorption

preoperative pulp necrosis (but only near cutoff for significance)

Question 6

Which of the following influenced risk of success?

• Age
• Breed size
• Complicated crown-root fracture
• Overfilled
• Apical void
• Pre intracanal medication

Answer 6

None

Question 7

What is the suggested follow-up period?

Answer 7

3 month, 1 year and then annualy (at least up to 4 yrs)

Question 8

How may dogs in this study returned at the recommended follow-up?

Answer 8

64/222 (29%)