scholarly journals Ex Vivo Area-Metric Analysis of Root Canal Obturation Using Cold and Warm Gutta-Percha

2016 ◽  
Vol 2016 ◽  
pp. 1-7 ◽  
Author(s):  
Katarzyna Olczak ◽  
Leszek Klimek ◽  
Halina Pawlicka
Keyword(s):  
Root Canal ◽  
Continuous Wave ◽  
Ex Vivo ◽  
Thermal Methods ◽  
Root Canal Obturation ◽  
Surface Areas ◽  
Gutta Percha ◽  
Area Metric ◽  
Wave Technique ◽  
Thermal Techniques

Purpose. To evaluate the percentage content of gutta-percha, sealer, and voids in a filled canal area following three different filling techniques, using microphotographs and Nis Elements® software. Material and Methods. After completing chemomechanical preparation, the teeth (n=48) were randomly divided into three groups (n=16) and filled by either cold lateral condensation (CLC group), the continuous wave technique (EOU group), and the ProTaper® thermoplasticized obturator (PT group). The roots were then sectioned horizontally 2.5, 6.5 and 8.5 mm from the tooth apical foramen. The surface areas of the sealer, voids, and gutta-percha (PGFA percentage of gutta-percha-filled area) were calculated and the results subjected to statistical analysis (Kruskal-Wallis test). Results. The percentage of gutta-percha (PGFA) was lower in the apical third of the canal for the CLC and EOU groups than the PT group. In the middle and the coronal third of the canal, the PGFA value was higher after using thermal techniques (EOU and PT) than cold lateral condensation (CLC). The presence of voids was comparable in the fillings performed using warm and cold gutta-percha obturation at all levels. Conclusion. Although thermal methods of root canal obturation allow higher PGFA values to be obtained than cold lateral condensation, the content of voids is comparable.

scholarly journals Comparative Analysis of the Filling Capacity of Simulated Lateral Canals of Two Bioactive Root Canal Sealers Using Warm Gutta-Percha Technique

2021 ◽  
Vol 11 (14) ◽  
pp. 6270
Author(s):  
Jesús Mena-Álvarez ◽  
Juliette Theophanie Sevrain ◽  
Mario Zorita-García ◽  
Cristina Rico-Romano
Keyword(s):  
Root Canal ◽  
Continuous Wave ◽  
Ex Vivo ◽  
Linear Measurement ◽  
Score System ◽  
Gutta Percha ◽  
Wave Technique ◽  
The Difference ◽  
Root Canal Sealers

The aim of this study was to evaluate ex vivo the sealing achieved at simulated lateral canals (SLC) and the quality of filling according to their position in the root canal after using the same filling technique. SLC were created at three levels in 55 teeth and divided into two groups depending on the root canal sealer used (1: BioRoot® RCS, 2: GuttaFlow® bioseal). They filled them with the continuous wave technique and submitted to a diaphanization technique. The samples were analyzed using a magnifying lens (20×), pictures were taken, which proceeded to linear measurement with the ImageJ® program and used a filling score system with five grades (0 to 4, 0 and 1 not acceptable, 2 to 4 acceptable); BioRoot® RCS has got a greater proportion than GuttaFlow® bioseal for SLC filled acceptably at 10 mm from the apex (p < 0.05). The highest proportion of SLC filled acceptably was found in the middle third (6 mm) (p < 0.05), followed by the apical third (3 mm) and the coronal third (10 mm). The difference between apical and coronal third could be significant; BioRoot® RCS has been better than GuttaFlow® bioseal for filling SLC in the coronal third of the teeth. Studies on the characteristics of these cements are missing to explain these differences.

scholarly journals Assessment of apical microleakage using tooth clearing method between two softened core obturation techniques

2016 ◽  
Vol 1 (1) ◽  
pp. 39
Author(s):  
Nadia S. Wongsari ◽  
Christine A. Rovani ◽  
Aries C. Trilaksana
Keyword(s):  
Root Canal ◽  
Continuous Wave ◽  
Positive Control ◽  
Single Root ◽  
The Third ◽  
Gutta Percha ◽  
Nail Polish ◽  
Wave Technique ◽  
Post Hoc ◽  
Clearing Method

This study aimed to compare apical microleakage using tooth clearing method between two softened core obturation techniques which are carrier based gutta percha and continuous wave. Samples are maxillary first incisors, with a single root canal. They are devided into three groups of 9 each randomly. The first group is carrier based gutta percha, the second is continuous wave, and the third is lateral condensation as positive control. The teeth were decoronated at the cementoenamel junction, prepared with crown down pressureless technique, and obturated according their group.  All the samples were coated with nail polish except for 2 mm from the apical, and then placed in China Ink for 7 days. After that, the polish were removed and the samples undergone tooth clearing procedure. When the samples had been transparant, they were observed using microscop. Data were collected and analyzed using Anova and Tukey’s post hoc test. The study showed that mean of apical microleakage from continuous wave technique (0.256+0.133) is less than from carrier based gutta percha (0.433+0.173). As the conclusion, there is a significant diffrence (p:0.034) of apical microleakage between continuous wave and carrier based gutta percha (p<0.05).

scholarly journals Assessment of apical microleakage using tooth clearing method between two softened core obturation techniques

2016 ◽  
Vol 1 (1) ◽  
pp. 39
Author(s):  
Nadia S. Wongsari ◽  
Christine Anastasia Rovani ◽  
Aries Chandra Trilaksana
Keyword(s):  
Root Canal ◽  
Continuous Wave ◽  
Positive Control ◽  
Single Root ◽  
The Third ◽  
Gutta Percha ◽  
Nail Polish ◽  
Wave Technique ◽  
Post Hoc ◽  
Clearing Method

<p>This study aimed to compare apical microleakage using tooth clearing method between two softened core obturation techniques which are carrier based gutta percha and continuous wave. Samples are maxillary first incisors, with a single root canal. They are devided into three groups of 9 each randomly. The first group is carrier based gutta percha, the second is continuous wave, and the third is lateral condensation as positive control. The teeth were decoronated at the cementoenamel junction, prepared with crown down pressureless technique, and obturated according their group.  All the samples were coated with nail polish except for 2 mm from the apical, and then placed in China Ink for 7 days. After that, the polish were removed and the samples undergone tooth clearing procedure. When the samples had been transparant, they were observed using microscop. Data were collected and analyzed using Anova and Tukey’s post hoc test. The study showed that mean of apical microleakage from continuous wave technique (0.256<span style="text-decoration: underline;">+</span>0.133) is less than from carrier based gutta percha (0.433<span style="text-decoration: underline;">+</span>0.173). As the conclusion, there is a significant diffrence (p:0.034) of apical microleakage between continuous wave and carrier based gutta percha (p&lt;0.05).</p>

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