Endodontic flare-ups incidence and related factors

Hye-Young Jung; Sang-Hyuk Park; Gi-Woon Choi

doi:10.5395/JKACD.2005.30.2.102

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Jung, Park, and Choi: Endodontic flare-ups incidence and related factors

Original Article

Journal of Korean Academy of Conservative Dentistry

Journal of Korean Academy of Conservative Dentistry 2005; 30(2): 102-111.

Published online: 31 March 2005

DOI: https://doi.org/10.5395/JKACD.2005.30.2.102

Endodontic flare-ups incidence and related factors

Hye-Young Jung¹, Sang-Hyuk Park^1,², Gi-Woon Choi^1,²

¹Department of Conservative Dentistry, Division of Dentistry, Graduate School, Kyunghee University, Korea.

²Oral Biology Research Institute, College of Dentistry, Kyunghee University, Korea.

Corresponding author: Gi-Woon Choi. Department of Conservative Dentistry, Division of Dentistry, Graduate school of KyungHee University, 1, Hoegi Dong, Dongdaemoon Gu, Seoul, Korea, 130-702. Tel: 82-2-958-9336, gwchoi@khu.ac.kr

Received 3 September 2004 Revised 13 December 2004 Accepted 18 December 2004

(open-access):

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

The purpose of this study was to assess the incidence of flare-ups among patients who received endodontic treatment and to examine the correlation with pre-operative and operative variables.

Analysis was in two aspects (a) overall incidence of flare-ups as expressed by a percentage of all patients visits and (b) percentage of flare-ups that occurred as related to various factors such as patient demographics, diagnosis, and treatment procedures.

1. From the 840 teeth which were examined in this study, the total number of flare-ups was 13.

2. As to gender of patients, there was no significant difference in flare-ups.

3. As to tooth groups, there was no significant difference in flare-ups.

4. In the teeth with pre-operative symptom, there was a statistically significant higher incidence of flare-ups than the teeth without it.

5. In the teeth with apical periodontitis, there was a statistically significant higher incidence of flare-ups.

6. As to pulp and periapical status, non-vital teeth had a higher incidence as compared with vital teeth, irreversible pulpitis.

7. Multi-visit treatment resulted in the higher incidence of flare-ups than one visit treatment.

8. Re-treatment procedures had a statistically significant higher incidence of flare-ups than root canal treatment.

In this study, overall percentages of flare-ups was 1.55%. It showed a statistically significant higher incidence related to pre-operative symptom, apical periodontitis, and re-treatment. There was no significant difference in flare-ups related to gender, tooth groups, and fistula.

Keywords: Flare-up, Endodontic treatment, Incidence, Pre-operative variables

Figures and Tables

Table 1

Endodontic treatment chart for surveying flare-up incidence

^†RCT: root canal treatment

RE: re-treatment

Table 2

Flare-up according to gender^*

^*Not statistically significant at P < 0.05

Table 3

Flare-up in different tooth group^*

^*Not statistically significant at P < 0.05

Table 4

Flare-up related to pain and swelling^*

^*Statistically significant at P < 0.05

Table 5

Flare-up related to peri-radicular diagnosis^*

^*Statistically significant at P < 0.05

Table 6

Flare-up related to pus discharge^*

^*Statistically significant at P < 0.05

Table 7

Flare-up related to fistula^*

^*Statistically significant at P < 0.05

Table 8

Flare-up related to pulpal state^*

^*Statistically significant at P < 0.05

^†Irre. = Irreversible

Table 9

Flare-up according to the No. of appointments^* and pre-treatment status

^*Not statistically significant at P < 0.05

There was a statistically significant difference according to periapical lesion in the multi-visit treatment.

Table 10

Flare-up according to type of treatment^* and pre-treatment status

^*Statistically significant at P < 0.05

There was not a statistically significant difference in root canal treatment.

Table 11

Flare-up according to Ca(OH)₂ dressing^*

^*Not statistically significant at P < 0.05

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