scholarly journals Clinical study of single-visit root canal treatment with a nickel-titanium (Ni-Ti) rotary instrument combined with different ultrasonic irrigation solutions for elderly patients with chronic apical periodontitis

2015 ◽  
Vol 26 (s1) ◽  
pp. S311-S318 ◽  
Author(s):  
Zhenyu Tang ◽  
Hui Wang ◽  
Shiyong Jiang
2019 ◽  
Author(s):  
Bahar Dehghan Manshadi ◽  
Asgeir Bårdsen

Abstract The established multiple-visit treatment for necrotic teeth with apical periodontitis has been challenged by single-visit treatment. However, there is no clear support for the one or the other treatment in the literature. The aim of this meta-analysis was to investigate if non-surgical primary root canal treatment carried out in single-visit or multiple-visit makes any difference in terms of radiographic healing in necrotic teeth with apical periodontitis. The null hypothesis was: there is no difference in the rate of apical healing for the two treatment modalities The literature search was organized through the National Centre for Biotechnology Information (NCBI) at the U.S. National Library of Medicine (NLM the National Library of Medicine (NLM)) using PubMed database and EMBASE Ovid to select articles with single-visit or multiple-visit included teeth with pulp necrosis and apical periodontitis. Of the 60 identified studies, only eight studies were included in current meta-analysis. The main reasons for exclusions were teeth with other diagnosis except necrotic pulp and apical periodontitis, studies with no comparison between single- and multiple-visit endodontics within the same study and studies without healing rate appearance. Results from each of the included studies were entered into the statistical program Stata, Version 15 (Texas, USA). The odds ratio (OR) and the 95% confidence interval for each study were calculated (dependent variable: single-visit/multiple-visit, independent variables: healed/not healed based on intra oral radiographs) with the random effect model. There was no significant difference in radiographic evidence of periapical healing between single-visit endodontics and multiple-visit treatment modalities, of the primary root canal treatment in necrotic teeth with apical periodontitis (OR = 1.10, 95% CI: 0.67-1.83) as evaluated on intra oral radiographs. Thus, the null hypothesis could not be rejected.


2020 ◽  
Vol 10 (2) ◽  
pp. 10-13
Author(s):  
Md Abdul Hannan Sheikh ◽  
Eyad Al Khalifa ◽  
Mozammal Hossain ◽  
Md Faruk Hossain ◽  
Nazneen Karim ◽  
...  

In this study, 120 teeth having periradicular pathosis were treated with single visit root canal treatment and then obturated with either calcium hydroxide containing sealer or mineral trioxide aggregate based sealer. The healing of periradicular pathosis was examined at 3, 6, and 12 months by clinical and radiological evaluation. Collected data were analyzed with standard statistical methods by using SPSS version- 20. The results showed that at 3 and 6 months, the differences between calcium hydroxide containing sealer or mineral trioxide aggregate based sealer were not statistically significant. However, the healing capability of periapical radiolucency at 12 months between two groups was statistically significant (P=0.03). The final outcome of the clinical and radiological investigation showed successful results of 96.6% and 98.1% in calcium hydroxide and mineral trioxide aggregate group, respectively. In conclusion, both calcium hydroxide and mineral trioxide aggregate based sealers are almost equally effective in single visit root canal therapy for the management of periradicular pathosis. Update Dent. Coll. j: 2020; 10 (2): 10-13


2019 ◽  
Vol 52 (11) ◽  
pp. 1533-1546 ◽  
Author(s):  
F. A. Restrepo‐Restrepo ◽  
S. J. Cañas‐Jiménez ◽  
R. D. Romero‐Albarracín ◽  
P. A. Villa‐Machado ◽  
M. I. Pérez‐Cano ◽  
...  

2020 ◽  
Vol 8 ◽  
pp. 2050313X2090782
Author(s):  
Mothanna K AlRahabi ◽  
Hani M Ghabbani

The frequency of separation of NiTi rotary instruments has increased with the increasing use of these instruments, and this error may result from inadequate experience of using these instruments. This iatrogenic error can complicate root canal treatment, and special experience is required to manage this problem. This case report describes the management of the separation of an F3 instrument from a ProTaper NiTi rotary system. A 30-year-old man was referred to the College of Dentistry, Taibah University (Saudi Arabia) with an intracanal separated NiTi rotary instrument (F3 of the ProTaper system; Dentsply Maillefer, Ballaigues, Switzerland) in the canal of the maxillary right canine. The separated instrument was removed by using the modified hollow tube–based extractor system. The present case revealed that sometimes a simple method can be an effective alternative of a professional method; using NiTi rotary instruments with strict adherence is important for the prevention of instrument separation.


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