1
|
Rudranaik S, Nagashetty YH, Gowda SCK, Jaganath BM, Nirmala KB, Gowda MCB. Effect of various disinfectant solutions on the tensile strength of gutta-percha using the rapid sterilization technique. JOURNAL OF CONSERVATIVE DENTISTRY AND ENDODONTICS 2024; 27:154-158. [PMID: 38463465 PMCID: PMC10923220 DOI: 10.4103/jcde.jcde_300_23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/27/2023] [Revised: 12/08/2023] [Accepted: 12/18/2023] [Indexed: 03/12/2024]
Abstract
Context Gutta-percha (GP) gets contaminated during handling. It becomes imperative to ensure GP is sterile before placement in root canal space. Aims The aim of the study was to evaluate and compare the tensile strength of GP treated with four different disinfectant solutions: 3% sodium hypochlorite (NaOCl), amla juice (AJ), Aloe vera (AV) juice, and pancha tulsi (PT). Settings and Design The study design was an in vitro study. Materials and Methods Fifty GP cones with a size of 30 were procured from sealed packages in five different groups. Experimental groups were disinfected for 1 min with 3% NaOCl, AJ, AV, and PT except the control group. Tensile and Brinell Testing Machine is used to measure the tensile strengths of GP. Statistical Analysis Used Results were subjected to statistical analysis using the Kruskal-Wallis test followed by Dunn's post hoc test. Results The mean tensile strength values for Groups A, B, C, D, and E are 9.49 Mpa, 13.33 Mpa, 12.58 Mpa, 12.69 MPa, and 13.56 MPa, respectively. In the herbal disinfectant group, such as AJ, AV, and PT, the tensile strength was not significantly altered, whereas in the 3% NaOCl group, it was reduced considerably. Conclusions AJ, AV juice, and PT as a GP disinfectant do not alter the tensile strength of GP cones.
Collapse
Affiliation(s)
- Sandeep Rudranaik
- Department of Conservative Dentistry and Endodontics, Sri Hasanamba Dental College and Hospital, Hassan, Karnataka, India
| | - Yoganatha Hanasoge Nagashetty
- Department of Conservative Dentistry and Endodontics, Sri Hasanamba Dental College and Hospital, Hassan, Karnataka, India
| | | | - Bharath Makonahalli Jaganath
- Department of Conservative Dentistry and Endodontics, Sri Hasanamba Dental College and Hospital, Hassan, Karnataka, India
| | - K. B. Nirmala
- Department of Conservative Dentistry and Endodontics, Sri Hasanamba Dental College and Hospital, Hassan, Karnataka, India
| | - M. C. Bharath Gowda
- Department of Conservative Dentistry and Endodontics, Sri Hasanamba Dental College and Hospital, Hassan, Karnataka, India
| |
Collapse
|
2
|
Bellido-Guzmán R, Ladera-Castañeda M, Castro-Pérez Vargas AM, López-Gurreonero C, Cornejo-Pinto A, Aliaga-Mariñas A, Cervantes-Ganoza LA, Cayo-Rojas CF. Tensile Strength and Elastic Modulus of Gutta-percha Cones Disinfected with Sodium Hypochlorite at Different Immersion Times: An In Vitro Comparative Study. J Int Soc Prev Community Dent 2024; 14:69-77. [PMID: 38559640 PMCID: PMC10980304 DOI: 10.4103/jispcd.jispcd_106_22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Revised: 01/20/2023] [Accepted: 01/20/2023] [Indexed: 04/04/2024] Open
Abstract
Aim The tensile strength and modulus of elasticity of gutta-percha cones can be chemically altered due to disinfectant solutions. Therefore, the aim of the present study was to compare tensile strength and elastic modulus of gutta-percha cones subjected to sodium hypochlorite (NaOCl) disinfection at different times. Materials and Methods This in vitro and longitudinal experimental study consisted of 45 gutta-percha cones, divided equally into three groups: Group 1 (disinfection with 2.5% NaOCl), Group 2 (disinfection with 5.25% NaOCl), and control group. All groups were subdivided according to immersion times for 1, 5, and 10 minutes. Tensile strength and elastic modulus were measured with a universal testing machine. For comparing more than two independent groups, parametric analysis of variance test with Sheffe's post hoc was used and for multivariate analysis, and multivariate analysis of variance test based on Pillai's Trace was used. In all statistical analysis, a significance level P ≤ 0.05 was considered. Results When comparing the tensile strength of gutta-percha cones, no significant differences were observed after being immersed at 1, 5, and 10 minutes in NaOCl 2.5% (P = 0.715) and 5.25% (P = 0.585). Regarding the elastic modulus, a significant decrease (P < 0.05) was observed in those that were immersed in NaOCl 2.5% and 5.25% for 1, 5, and 10 minutes. Furthermore, increased NaOCl concentration significantly reduced the elastic modulus (P < 0.001). However, there were no significant differences in tensile strength (P > 0.05) and elastic modulus (P > 0.05), when evaluating the interaction between NaOCl concentration and time. Conclusion Increasing NaOCl concentration significantly reduced the modulus of elasticity without affecting the tensile strength of gutta-percha cones, regardless of immersion time. Furthermore, the interaction of time and NaOCl concentration did not significantly affect the tensile strength and elastic modulus.
Collapse
Affiliation(s)
- Rolando Bellido-Guzmán
- Faculty of Dentistry and Postgraduate School, Universidad Nacional Federico Villarreal, Grupo de Investigación Salud y Bienestar Global, Lima, Peru
| | - Marysela Ladera-Castañeda
- Faculty of Dentistry and Postgraduate School, Universidad Nacional Federico Villarreal, Grupo de Investigación Salud y Bienestar Global, Lima, Peru
| | - Antonieta M Castro-Pérez Vargas
- Faculty of Dentistry and Postgraduate School, Universidad Nacional Federico Villarreal, Grupo de Investigación Salud y Bienestar Global, Lima, Peru
| | | | - Alberto Cornejo-Pinto
- Faculty of Dentistry and Postgraduate School, Universidad Nacional Federico Villarreal, Grupo de Investigación Salud y Bienestar Global, Lima, Peru
| | - Ana Aliaga-Mariñas
- Faculty of Dentistry and Postgraduate School, Universidad Nacional Federico Villarreal, Grupo de Investigación Salud y Bienestar Global, Lima, Peru
| | | | - César F Cayo-Rojas
- Faculty of Dentistry and Postgraduate School, Universidad Nacional Federico Villarreal, Grupo de Investigación Salud y Bienestar Global, Lima, Peru
- School of Stomatology, Universidad Privada San Juan Bautista, Lima, Peru
| |
Collapse
|
3
|
Ribeiro AV, Velásquez-Espedilla EG, de Barros MC, de Melo Simas LL, de Andrade FB. Influence of Gutta-Percha Surface on Enterococcus faecalis Initial Adhesion In Vitro: An Atomic Force Microscopy Study. Life (Basel) 2023; 13:life13020456. [PMID: 36836813 PMCID: PMC9958639 DOI: 10.3390/life13020456] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2022] [Revised: 01/26/2023] [Accepted: 02/03/2023] [Indexed: 02/09/2023] Open
Abstract
The aim of this study was to evaluate the influence of surface topography of gutta-percha (GP) cones and plasticized disks of GP on the initial adhesion of Enterococcus faecalis (E. faecalis). The GP cones (Tanari and Dentsply brands) were cut 3 mm from the apical portion and fixed on a glass slide. To make the disks, the cones were thermoplasticized in standardized molds. The specimens were divided into groups according to the shape of the GP and the presence or absence of the bacteria. For contamination, the strain of E. faecalis (ATCC 29212) was used. The surface topography was analyzed using an atomic force microscope (AFM). The surface, roughness, and waviness parameters were evaluated by the Kruskal-Wallis and Dunn test. The comparison between disks and cones showed significant differences, where the cones were rougher, with a higher value attributed to the Dentsply cone (DC group). The same was observed for the waviness. After contamination, there was greater bacterial accumulation in cones, especially in their valleys, but both the surface and the topography became more homogeneous and smoother, with no differences between disks and cones of both brands. The topographic surface of the GP, at the micro and nanoscale, influences the initial adhesion of E. faecalis, with a greater tendency for contamination in regions associated with the presence of roughness and waviness. In this context, plasticization of GP is indicated, as it reduces surface irregularities compared to cones, contributing to less retention of bacteria.
Collapse
Affiliation(s)
- Allan Victor Ribeiro
- Department of Physics, Federal Institute of São Paulo, Birigui CEP 16201-407, SP, Brazil
| | - Evelyn Giuliana Velásquez-Espedilla
- Department of Dentistry, Endodontic and Dental Materials, Bauru School of Dentistry, University of São Paulo, Bauru CEP 17012-901, SP, Brazil
| | - Mirela Cesar de Barros
- Department of Dentistry, Endodontic and Dental Materials, Bauru School of Dentistry, University of São Paulo, Bauru CEP 17012-901, SP, Brazil
| | - Letícia Lobo de Melo Simas
- Department of Dentistry, Endodontic and Dental Materials, Bauru School of Dentistry, University of São Paulo, Bauru CEP 17012-901, SP, Brazil
| | - Flaviana Bombarda de Andrade
- Department of Dentistry, Endodontic and Dental Materials, Bauru School of Dentistry, University of São Paulo, Bauru CEP 17012-901, SP, Brazil
- Correspondence: ; Tel.: +55-143235-8344
| |
Collapse
|
4
|
Reddy KH, Chandran L, Mohan TM, Sudha K, Malini DL, Dominic B. Evaluation of the efficacy of a novel disinfecting material on the surface topography of gutta-percha: An in vitro study. J Conserv Dent 2023; 26:94-97. [PMID: 36908733 PMCID: PMC10003286 DOI: 10.4103/jcd.jcd_417_22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Revised: 09/06/2022] [Accepted: 10/03/2022] [Indexed: 12/12/2022] Open
Abstract
Context The effect of chemical disinfection on gutta-percha (GP) has to be closely studied whether it affects surface topography and thereby causes leakage and reinfection of canals. Aims The purpose of the study is to assess the surface topography of GP cones after disinfecting with a novel disinfecting material, graphene oxide (GO), and compare the same with other disinfecting materials, including sodium hypochlorite (NaOCl) and silver nanoparticles (AgNps). Settings and Design After determining the power (0.84) of the study, 48 GP cones were taken and categorized into four different groups based on disinfecting agents. Materials and Methods Forty-eight GP cones (ISO size 30 6% taper, DIADENT) were taken and are randomly selected and grouped as follows according to the disinfecting agents: Group 1 - control (untreated GP points, n = 12), Group 2 - NaOCl (n = 12), Group 3 - AgNPs (n = 12), and Group 4 - GO (n = 12), respectively. After treating with the above disinfecting materials, the surface topography of samples was evaluated using atomic force microscopy. The data were analyzed statistically using one-way ANOVA and post hoc (Tukey's honestly significant difference) tests. Statistical Analysis Used IBM SPSS (version 21.0) software was used. The tests performed were one-way ANOVA and post hoc. Statistically, significance was set at a P ≤ 0.05. Results The root means square values and surface roughness values were lesser for the GO group and AgNPs when compared with the NaOCl group, which were statistically significant. Conclusions Within the limitations of the study, this study had shown lesser surface topography deterioration of GP cones when treated with GO and AgNPs, whereas more deterioration was observed with NaOCl.
Collapse
Affiliation(s)
- K. Hanisha Reddy
- Department of Conservative Dentistry and Endodontics, Government Dental College and Hospital, Vijayawada, Andhra Pradesh, India
| | - Lekshmi Chandran
- Department of Conservative Dentistry and Endodontics, Government Dental College and Hospital, Vijayawada, Andhra Pradesh, India
| | - T. Murali Mohan
- Department of Conservative Dentistry and Endodontics, Government Dental College and Hospital, Vijayawada, Andhra Pradesh, India
| | - K. Sudha
- Department of Conservative Dentistry and Endodontics, Government Dental College and Hospital, Vijayawada, Andhra Pradesh, India
| | - D. L. Malini
- Department of Conservative Dentistry and Endodontics, Government Dental College and Hospital, Vijayawada, Andhra Pradesh, India
| | - Bonney Dominic
- Department of Conservative Dentistry and Endodontics, Government Dental College and Hospital, Vijayawada, Andhra Pradesh, India
| |
Collapse
|
5
|
Karunakar P, Ranga Reddy MS, Faizuddin U, Karteek BS, Charan Reddy CL, Rasagna M. Evaluation of surface analysis of gutta-percha after disinfecting with sodium hypochlorite, silver nanoparticles, and chitosan nanoparticles by atomic force microscopy: An in vitro study. J Conserv Dent 2021; 24:63-66. [PMID: 34475682 PMCID: PMC8378490 DOI: 10.4103/jcd.jcd_505_20] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2020] [Revised: 01/19/2021] [Accepted: 01/21/2021] [Indexed: 11/04/2022] Open
Abstract
Aims and Objectives: The purpose of this study is to evaluate the surface topography of gutta-percha (GP) after disinfecting with sodium hypochlorite (NaOCl) (5.25%), silver nanoparticles (AgNPs) (70 µg/ml), and chitosan nanoparticles (ChNPs) (1.5 mg/ml) by atomic force microscopy (AFM). Materials and Methods: Forty GP cones were taken in this in vitro study. These samples were divided into four different groups such as Group I – control group (untreated GP Points) and Group II, III, and IV were treated with 5.25% NaOCl, 70 µg/ml AgNPs, and 1.5 mg/ml ChNPs, respectively. The surface topography analysis of the samples was performed using AFM. Statistical Analysis: Root mean square (RMS) and surface roughness parameters were used to compare the structure of GP points with contact mode imaging. These values were tested by IBM SPSS-20.0 version statistical software using one-way ANOVA and post hoc (Tukey's honestly significant difference) tests. They were considered statistically significant when P < 0.05. Results: The RMS and surface roughness values are significantly higher for NaOCl group (5.25% NaOCl) when compared with AgNPs group (70 µg/ml AgNPs) and ChNPs group (1.5 mg/ml ChNPs). Conclusion: This study has shown more surface topography deterioration of GP treated with NaOCl and lesser deterioration with AgNPs and ChNPs which affects postoperative prognosis.
Collapse
Affiliation(s)
- P Karunakar
- Department of Conservative Dentistry and Endodontics, Panineeya Institute of Dental Sciences and Research Centre, Hyderabad, Telangana, India
| | - M S Ranga Reddy
- Department of Conservative Dentistry and Endodontics, Panineeya Institute of Dental Sciences and Research Centre, Hyderabad, Telangana, India
| | - Umrana Faizuddin
- Department of Conservative Dentistry and Endodontics, Panineeya Institute of Dental Sciences and Research Centre, Hyderabad, Telangana, India
| | - Basa Srinivas Karteek
- Department of Conservative Dentistry and Endodontics, Panineeya Institute of Dental Sciences and Research Centre, Hyderabad, Telangana, India
| | - Chavva Lakshmi Charan Reddy
- Department of Conservative Dentistry and Endodontics, Panineeya Institute of Dental Sciences and Research Centre, Hyderabad, Telangana, India
| | - Marupaka Rasagna
- Department of Conservative Dentistry and Endodontics, Panineeya Institute of Dental Sciences and Research Centre, Hyderabad, Telangana, India
| |
Collapse
|
6
|
Vitali FC, Nomura LH, Delai D, Henriques DHN, Alves AMH, da Fonseca Roberti Garcia L, Bortoluzzi EA, Teixeira CS. Disinfection and surface changes of gutta-percha cones after immersion in sodium hypochlorite solution containing surfactant. Microsc Res Tech 2019; 82:1290-1296. [PMID: 30993775 DOI: 10.1002/jemt.23279] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2018] [Revised: 03/12/2019] [Accepted: 04/02/2019] [Indexed: 11/08/2022]
Abstract
In this study, we evaluated the effectiveness of 1 and 5.25% NaOCl solutions, with or without surfactant, in disinfecting gutta-percha cones. Surface changes of the gutta-percha cones after disinfection were also assessed under scanning electron microscopy (SEM). One-hundred and eight gutta-percha cones previously contaminated with Enterococcus faecalis were left in contact for 30 s or 1 min with the following solutions (n = 12): 1% NaOCl; 1% NaOCl + 2% cetrimide; 5.25% NaOCl; 5.25% NaOCl + 2% cetrimide. Positive control group was composed by the remaining contaminated cones (n = 12), and the negative control group by noncontaminated cones (n = 12). The cones were kept in Eppendorf tubes containing Trypticase Soy Broth at 37°C for 24 hr, and then, the presence of turbidity was analyzed. Ten additional cones (n = 2) were observed under SEM to evaluate surface changes after 1 min of disinfection. The data analysis (Kruskal-Wallis test, α = 5%) demonstrated that regardless the presence of surfactant, the NaOCl solutions used were effective in the disinfection when cones were immersed for 1 min. However, at the 30-s period, only the 5.25% NaOCl solution was effective. SEM analysis demonstrated that NaOCl solutions promoted the formation of sodium chloride crystals on cones surface, less visible when the 1% NaOCl associated to surfactant was used. The addition of surfactant did not affect the disinfection capacity of NaOCl solutions. However, the surfactant has apparently inhibited the sodium chloride crystals deposition on the cones surface when associated to 1% NaOCl solution.
Collapse
Affiliation(s)
- Filipe C Vitali
- Department of Dentistry/Endodontics, Federal University of Santa Catarina-UFSC, Florianópolis, Santa Catarina, Brazil
| | - Lincon H Nomura
- Department of Dentistry/Endodontics, Federal University of Santa Catarina-UFSC, Florianópolis, Santa Catarina, Brazil
| | - Débora Delai
- Department of Dentistry/Endodontics, Federal University of Santa Catarina-UFSC, Florianópolis, Santa Catarina, Brazil
| | - Dilma H N Henriques
- Department of Dentistry/Endodontics, Federal University of Santa Catarina-UFSC, Florianópolis, Santa Catarina, Brazil
| | - Ana M H Alves
- Department of Dentistry/Endodontics, Federal University of Santa Catarina-UFSC, Florianópolis, Santa Catarina, Brazil
| | | | - Eduardo A Bortoluzzi
- Department of Dentistry/Endodontics, Federal University of Santa Catarina-UFSC, Florianópolis, Santa Catarina, Brazil
| | - Cleonice S Teixeira
- Department of Dentistry/Endodontics, Federal University of Santa Catarina-UFSC, Florianópolis, Santa Catarina, Brazil
| |
Collapse
|
7
|
Antibacterial effect and biocompatibility of a novel nanostructured ZnO-coated gutta-percha cone for improved endodontic treatment. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2018; 92:840-848. [DOI: 10.1016/j.msec.2018.07.045] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/23/2017] [Revised: 06/18/2018] [Accepted: 07/18/2018] [Indexed: 11/21/2022]
|
8
|
A Drug Repositioning Approach Reveals that Streptococcus mutans Is Susceptible to a Diverse Range of Established Antimicrobials and Nonantibiotics. Antimicrob Agents Chemother 2017; 62:AAC.01674-17. [PMID: 29061736 DOI: 10.1128/aac.01674-17] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2017] [Accepted: 10/07/2017] [Indexed: 02/06/2023] Open
Abstract
Streptococcus mutans is the primary causative agent of dental caries and contributes to the multispecies biofilm known as dental plaque. An adenylate kinase-based assay was optimized for S. mutans to detect cell lysis when exposed to the Selleck library (Selleck Chemical, Houston, TX) of 853 FDA-approved drugs in, to our knowledge, the first high-throughput drug screen in S. mutans We found 126 drugs with activity against S. mutans planktonic cultures, and they were classified into six categories: antibacterials (61), antineoplastics (23), ion channel effectors (9), other antimicrobials (7), antifungals (6), and other (20). These drugs were also tested for activity against S. mutans biofilm cultures, and 24 compounds were found to inhibit biofilm formation, 6 killed preexisting biofilms, 84 exhibited biofilm inhibition and killing activity, and 12 had no activity against biofilms. The activities of 9 selected compounds that exhibited antimicrobial activity were further characterized for their activity against S. mutans planktonic and biofilm cultures. Together, our results suggest that S. mutans exhibits a susceptibility profile to a diverse array of established and novel antibacterials.
Collapse
|
9
|
Chandrappa MM, Meharwade PM, Srinivasan R, Bhandary S, Nasreen F. Antimicrobial effect of three disinfecting agents on Resilon cones and their effect on surface topography: An in vitro study. J Conserv Dent 2016; 19:134-7. [PMID: 27099418 PMCID: PMC4815540 DOI: 10.4103/0972-0707.178689] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Abstract
Aim: The objective of this study was to evaluate the effectiveness of 5.25% sodium hypochlorite (NaOCl), 2% chlorhexidine (CHX), and 2% peracetic acid (PAA) in disinfecting Resilon cones and to evaluate topographical changes microscopically under scanning electron microscope (SEM) after rapid chemical disinfection. Materials and Methods: Resilon cones were disinfected in an ultraviolet (UV) light chamber for 20 min and contaminated by immersing in a microbial suspension of Enterococcus faecalis for 30 min. The contaminated cones were then immersed in the 5.25% NaOCl, 2% CHX, and 2% PAA for 1 min, 5 min, and 10 min, separately. The cones were then incubated at 37°C in thioglycollate broth for 7 days and examined for turbidity. The samples showing turbidity were subcultured on blood agar and incubated at 37°C for 48 h. Gram staining was done to confirm that the cultured bacteria were E. faecalis. Surface changes of disinfected Resilon cones were evaluated under SEM. Statistical Analysis Used: The data were analyzed statistically using Kruskal-Wallis, analysis of variance (ANOVA), and Mann–Whitney U-test. Result: In eliminating E. faecalis, 5.25% NaOCl was most effective followed by 2% PAA and 2% CHX. Topographic examination of tested Resilon cones revealed some surface deposits after disinfection with 5.25% NaOCl and 2% CHX, whereas 2% PAA caused surface erosion. Conclusion: In disinfecting Resilon cones, 5.25% NaOCl is most effective followed by 2% PAA and 2% CHX.
Collapse
Affiliation(s)
- Mahesh Martur Chandrappa
- Department of Conservative Dentistry and Endodontics, AECS Maaruti College of Dental Sciences and Research Centre, Bangalore, Karnataka, India
| | - Prasanna Mahadevasa Meharwade
- Department of Conservative Dentistry and Endodontics, AECS Maaruti College of Dental Sciences and Research Centre, Bangalore, Karnataka, India
| | - Raghu Srinivasan
- Department of Conservative Dentistry and Endodontics, AECS Maaruti College of Dental Sciences and Research Centre, Bangalore, Karnataka, India
| | - Shreetha Bhandary
- Department of Conservative Dentistry and Endodontics, AECS Maaruti College of Dental Sciences and Research Centre, Bangalore, Karnataka, India
| | - Farhat Nasreen
- Department of Conservative Dentistry and Endodontics, AECS Maaruti College of Dental Sciences and Research Centre, Bangalore, Karnataka, India
| |
Collapse
|
10
|
Mahali RR, Dola B, Tanikonda R, Peddireddi S. Comparative evaluation of tensile strength of Gutta-percha cones with a herbal disinfectant. J Conserv Dent 2016; 18:471-3. [PMID: 26752842 PMCID: PMC4693321 DOI: 10.4103/0972-0707.168813] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
Abstract
Aim: To evaluate and compare the tensile strength values and influence of taper on the tensile strength of Gutta-percha (GP) cones after disinfection with sodium hypochlorite (SH) and Aloe vera gel (AV). Materials and Methods: Sixty GP cones of size 110, 2% taper, 60 GP cones F3 ProTaper, and 60 GP of size 30, 6% taper were obtained from sealed packs as three different groups. Experimental groups were disinfected with 5.25% SH and 90% AV gel except the control group. Tensile strengths of GP were measured using the universal testing machine. Results: The mean tensile strength values for Group IA, IIA and IIIA are 11.8 MPa, 8.69 MPa, and 9.24 MPa, respectively. Results were subjected to statistical analysis one-way analysis of variance test and Tukey post-hoc test. 5.25% SH solutions decreased the tensile strength of GP cones whereas with 90% AV gel it was not significantly altered. Conclusion: Ninety percent Aloe vera gel as a disinfectant does not alter the tensile strength of GP cones
Collapse
Affiliation(s)
- Raghunandhan Raju Mahali
- Department of Conservative Dentistry and Endodontics, Vishnu Dental College, Bhimavaram, Andhra Pradesh, India
| | - Binoy Dola
- Department of Conservative Dentistry and Endodontics, Sri Sai College of Dental Surgery, Vikarabad, Telangana, India
| | - Rambabu Tanikonda
- Department of Conservative Dentistry and Endodontics, Vishnu Dental College, Bhimavaram, Andhra Pradesh, India
| | - Suresh Peddireddi
- Department of Conservative Dentistry and Endodontics, GSL Dental College, Rajamundry, Andhra Pradesh, India
| |
Collapse
|