Prognosis of root canal treatments filled with Thermafil system: a 5-year retrospective study

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• 作者：C. Pirani ; ^{chiara.pirani4@unibo.it" class="auth_mail" title="E-mail the corresponding author} ; V. Tinarelli ; M.R. Gatto ; F. Iacono ; M.G. Gandolfi ; C. Prati
• 关键词：Clinical outcome ; Endodontic prognosis ; Retrospective clinical study ; Root canal treatment ; Thermafil
• 刊名：Giornale Italiano di Endodonzia
• 出版年：2016
• 出版时间：June 2016
• 年：2016
• 卷：30
• 期：1
• 页码：46-51
• 全文大小：418 K

文摘

The aim of this retrospective cohort study was to assess the clinical and radiographic outcome after 5 ± 1 years of root canal treatments filled with Thermafil (TF) and to evaluate if the success rate is consistent with results reported by Literature with standard techniques.

Methodology

A total of 213 endodontically treated teeth filled with TF and AH Plus were retrospectively examined. Following data were collected: initial pathology, primary treatment/retreatment and root filling length. Preoperative Periapical Index (PAI) was used as scoring system. At 5-years evaluation, teeth were judged healthy (PAI ≤ 2, no symptoms), endodontically-diseased (PAI ≥ 3 and/or symptoms, extraction or reintervention for endodontic reasons) or not-endodontically-diseased (root fracture, destructive caries, periodontal abscess). Outcome was blindly assessed by two examiners. Descriptive analysis and multivariate logistic regression were performed.

Results

The total survival rate was 88%. Before the end-point, 20 teeth were extracted for not-endodontic reasons. Of the 193 analyzed teeth, 85% were considered healthy and proportions were significantly higher (Chi-square; p < 0.04) for teeth without initial radiolucency and when final length of root filling material was adequate. Logistic regression showed that the preoperative PAI ≤ 2 significantly increased the healing rate (risk ratio [RR] 3.09; 95% CI, 1.12–8.53).

Conclusions

The overall healing rate of the present investigation was similar to that previously reported by well-documented obturation techniques. The prognosis of endodontic therapies performed with TF obturation system supports the clinical use in a post-graduated Master Program.