Journal of Conservative Dentistry and Endodontics最新文献

{"title":"In vitro comparative evaluation of apical leakage using a bioceramic sealer with three different obturating techniques: A glucose leakage model","authors":"Tanvi S Agrawal, Shishir Singh, Rajesh S. Podar, Gaurav P. Kulkarni, Anuprita Gadkari, Navin S Agarwal","doi":"10.4103/jcd.jcd_303_23","DOIUrl":"https://doi.org/10.4103/jcd.jcd_303_23","url":null,"abstract":"\u0000 \u0000 \u0000 Bioceramic sealers have improved sealing ability by forming an interfacial apatite layer that chemically bonds the sealer and radicular dentin thus decrease apical leakage.\u0000 \u0000 \u0000 \u0000 This study aims to evaluate and compare the apical leakage of Cerafill RCS bioceramic sealer and gutta percha when used with three different obturating techniques.\u0000 \u0000 \u0000 \u0000 Thirty-four extracted single-rooted premolars were decoronated and prepared up to size F3. Then, the specimens were randomly divided into 3 experimental groups (n = 10) cold lateral obturation technique, warm vertical obturation technique, single-cone obturation technique, positive and negative control groups (n = 2), according to the obturation technique used along with a bioceramic sealer. To evaluate apical leakage, all specimens were mounted in a glucose leakage model and assessed at 7 and 14 days using an ultraviolet-visible spectrophotometer.\u0000 \u0000 \u0000 \u0000 The results were subjected to ANOVA/Kruskal–Wallis ANOVA; followed by post hoc analysis using Bonferroni correction.\u0000 \u0000 \u0000 \u0000 Significant differences were found in the cumulative leakage of all the three experimental groups. Significantly higher leakage was found in groups obturated using single-cone obturation technique as compared to warm vertical compaction technique at both 7 and 14 days.\u0000 \u0000 \u0000 \u0000 Warm vertical compaction showed a better sealing result than single-cone obturation techniques at all observation periods.\u0000","PeriodicalId":516572,"journal":{"name":"Journal of Conservative Dentistry and Endodontics","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139640738","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Comparative assessment of nanosized intracanal medicaments on penetration and fracture resistance of root dentin – An in vitro study","authors":"BR Prashanth, Bhoomika Revankar, R. Karale, Prashant P Moogi, MG Mangala, A. Sahoo","doi":"10.4103/jcde.jcde_138_23","DOIUrl":"https://doi.org/10.4103/jcde.jcde_138_23","url":null,"abstract":"\u0000 \u0000 \u0000 The antimicrobial potential of conventional medicaments is reduced due to their limited permeability. The use of calcium hydroxide (CH) is known to reduce the root strength. Nano intracanal medicaments have the following advantages over conventional such as higher surface area and chemical reactivity, and due to its nanosize, have better penetrability, supporting its possible use as an intracanal medicament. Nano versions of CH, chitosan (CS), CS + CH, curcumin (T), and its conventional forms are used in our study.\u0000 \u0000 \u0000 \u0000 The aim of this study was to evaluate and compare the depth of penetration of nanosized intracanal medicaments and their effect on fracture resistance of root dentin.\u0000 \u0000 \u0000 \u0000 Eighty extracted single-rooted teeth were used after decoronation. Canals were enlarged up to size 30 (0.04° taper) using Neoendo instruments (Orikam, India). Teeth were randomly assigned to two broad groups based on the type of intracanal medicament used; Group A: control (conventional) (n = 40) and Group B: nanosized intracanal medicaments (n = 40). Each group was subdivided into four experimental groups (n = 10), Group A1: CH, Group A2: CS, Group A3: curcumin (T), Group A4: CS + CH, Group B1: nano calcium hydroxide (NCH), Group B2: nano CS (NCS), Group B3: nano curcumin (NT), and Group B4: NCS + nano calcium hydroxide (NCS + NCH). All the specimens were stored in a humidor at 37°C for 4 weeks. Out of 10 specimens from each group, five specimens were used for evaluating the depth of penetration using a confocal laser scanning electron microscope, and the remaining five specimens were used for evaluating fracture resistance in a universal testing machine at the end of 4 weeks. Data were analyzed using one-way ANOVA and intergroup comparison using Tukey’s post hoc multiple comparison test.\u0000 \u0000 \u0000 \u0000 The highest fracture resistance was seen with NCS and the maximum depth of penetration with nano calcium hydroxide (NCH).\u0000 \u0000 \u0000 \u0000 The fracture resistance and depth of penetration at a 4-week interval were higher in nano forms compared to their micro-sized counterparts with all groups. The coronal section presented the highest depth of penetration of intracanal medicaments followed by the middle and least in the apical section of root dentin with all groups.\u0000","PeriodicalId":516572,"journal":{"name":"Journal of Conservative Dentistry and Endodontics","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139640747","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Effect of prewarming and continuous warming on tissue dissolving ability of Triton™ versus Twin Kleen™: An in vitro study","authors":"V. Deepa, Himasai Reddy Vanga, Naveena Kadali, Sravyasai Divve, Vemana Sravya, Roopa Sravya Kapa","doi":"10.4103/jcde.jcde_201_23","DOIUrl":"https://doi.org/10.4103/jcde.jcde_201_23","url":null,"abstract":"\u0000 \u0000 \u0000 TwinKleen™ and Triton™ are newer all-in-one irrigants that have simultaneous action on both organic and inorganic contents. Studies comparing their tissue dissolving ability (TDA) either at room temperature (RT) or on prewarming (PW) and continuous warming (CW) are not yet reported.\u0000 \u0000 \u0000 \u0000 To evaluate and compare the effect of 3% sodium hypochlorite (NaOCl), Twin Kleen™, and Triton™, on the bovine TDA.\u0000 \u0000 \u0000 \u0000 One hundred and twenty tissue specimens (size 4 mm × 4 mm × 2 mm and weight 37 ± 3 mg) were divided into Group 1, normal saline (negative control); Group 2, 3% NaOCl (positive control); Group 3, Twin Kleen™; and Group 4, Triton™ (n = 30) Each group is further divided into three subgroups with ten samples each as sub group a – at room temperature (RT), sub group b – on pre warming (PW) and sub group c– on continuous warming (CW), Tissue specimens were immersed in test tubes with 5 ml of respective irrigants replenished thrice every 15 min. The percentage difference in tissue weights was calculated after 5, 10, and 15 min.\u0000 \u0000 \u0000 \u0000 Multiple intergroup comparisons were done using Tukey’s multiple-comparison test, using SPSS software version 23.0.\u0000 \u0000 \u0000 \u0000 Both Triton™ and 3% NaOCl showed significantly higher dissolution than normal saline and Twin Kleen™ on CW followed by PW than at RT. Twin Kleen™ showed significantly less dissolution at all the tested temperatures.\u0000 \u0000 \u0000 \u0000 Heating enhances the TDA of Triton™ and 3% NaOCl but not Twin Kleen™. CW showed significantly higher dissolution than PW.\u0000","PeriodicalId":516572,"journal":{"name":"Journal of Conservative Dentistry and Endodontics","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139640828","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Stabilizing bony plate in guided endodontic surgery using an innovative approach","authors":"Maulee D. Sheth, Ankit Arora, Sonali V. Kapoor","doi":"10.4103/jcde.jcde_178_23","DOIUrl":"https://doi.org/10.4103/jcde.jcde_178_23","url":null,"abstract":"\u0000 Endodontic microsurgery in tandem with advanced radiographic techniques has led to the emergence of guided surgeries. Preservation of the cortical bone to enhance the healing and stabilization of tissues surrounding the tooth of concern can now be facilitated by bone cement used in the field of orthopedics. This case report details a guided endodontic surgery technique in 17 years old where a traumatic infliction leads to a phoenix abscess. The technique elaborated emphasizes on the three-dimensional printing of a surgical template with the help of cone-beam computed tomography, followed using a medical-grade bone cement in the most minimal manner to reposition the buccal cortical bone. A 12-month-old follow-up revealed the patient to be asymptomatic with a flawless periapical region radiographically. This case testifies that the optimum use of available biomedical material in surgical endodontics can assure a predictable prognosis.","PeriodicalId":516572,"journal":{"name":"Journal of Conservative Dentistry and Endodontics","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139640888","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"In vitro comparison to study the antimicrobial effect of silver nanoparticles gel and its various combinants as an intracanal medicament against Enterococcus faecalis","authors":"S. Jhamb, R. Singla, Amandeep Kaur, Jyoti Sharma, J. Bhushan","doi":"10.4103/jcde.jcde_180_23","DOIUrl":"https://doi.org/10.4103/jcde.jcde_180_23","url":null,"abstract":"\u0000 \u0000 \u0000 Endodontic infections have been clearly described as biofilm-mediated infections. Bacteria and their by-products have been known to cause these infections. With the introduction of new drugs and the use of nanoparticles in recent times, there has been a significant reduction in the bacterial load in endodontic infections.\u0000 \u0000 \u0000 \u0000 The in vitro study focuses on checking the antibacterial efficacy of silver nanoparticles and its combination with other medicaments against the root canal pathogen – Enterococcus faecalis (E. faecalis).\u0000 \u0000 \u0000 \u0000 In the present study, 140 extracted human teeth were used. The teeth were sectioned, and biomechanical preparation was done. The root canals of the extracted teeth were inoculated with the culture of E. faecalis. The teeth were divided into six groups based on the intracanal medicament used:\u0000 \u0000 Group 1 – Silver nanocure gelGroup 2 – Silver nanocure gel + Cavisept gel (1:1)Group 3 - Silver nanocure gel + Aveu-Cal gel (1:1)Group 4 – Silver nanocure gel + Cavisept gel + Aveu-Cal gel (1:1:1)Group 5 - Positive control (specimens were inoculated with Enterococcus faecalis and left untreated to confirm the presence of infection)Group 6 - Negative control (no bacterial contamination of specimens).\u0000 \u0000 The colony-forming units were recorded after 48 h of incubation.\u0000 \u0000 \u0000 \u0000 The statistical analysis of the colony-forming units was done using the Kruskal–Wallis tests. Silver nanocure gel + Cavisept gel + Aveu-Cal gel (1:1:1) showed the least colony-forming units.\u0000 \u0000 \u0000 \u0000 The present study is an in vitro study, in which we concluded that the combination of all the intracanal medicaments is the best for the elimination of E. faecalis biofilm from the root canal. The above findings need to be tested in vivo also.\u0000","PeriodicalId":516572,"journal":{"name":"Journal of Conservative Dentistry and Endodontics","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139640811","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Comparative evaluation of remineralization potential of four different remineralization agents on human enamel: An in vitro study","authors":"Giftlin Denny Xavier, George Thomas, Sunil Jose, V. J. Vivek, Kanimozhi Selvam, Ashish Ramakrishnan","doi":"10.4103/jcde.jcde_113_23","DOIUrl":"https://doi.org/10.4103/jcde.jcde_113_23","url":null,"abstract":"\u0000 \u0000 \u0000 The study aimed to assess the remineralizing potential of four different commercially available agents using a Scanning Electron Microscope (SEM), energy dispersive X-ray (EDX) analysis, and Vickers Microhardness (VMH) Test.\u0000 \u0000 \u0000 \u0000 Forty-four specimens (n = 11 per group) were prepared from extracted teeth. A window of 6 mm × 4 mm was made on all the specimens that represented three zones, namely, sound enamel, demineralized enamel, and remineralized enamel. The zone for demineralized enamel was subjected to four different remineralizing agents; casein phosphopeptide-amorphous calcium phosphate fluoride (CPP-ACPF), tricalcium phosphate fluoride (TCP-F), calcium sucrose phosphate (CSP), and self-assembling peptide (P11-4). Remineralization (REM) was assessed using VMH; the structural changes were assessed using SEM that was analyzed using EDX analysis. The specimens were subjected to a newer regimen of demineralization. One-way ANOVA followed by post hoc Tukey test was used with a level of significance at P ≤ 0.05.\u0000 \u0000 \u0000 \u0000 There were no significant differences in VMH between the groups for sound enamel (P = 0.472) and demineralized enamel (P = 0.116). VMH was statistically significantly more for P11-4 and the least for CPP-ACPF (P = 0.011). A post hoc analysis revealed higher VMH for P11-4 compared to CPP-ACPF (P = 0.014) and TCP-F (P = 0.035). SEM showed a homogeneous layer of minerals for all groups except CPP-ACPF. TCP-F reported a higher degree of REM, followed by P11-4 as assessed using EDX analysis.\u0000 \u0000 \u0000 \u0000 Self-assembling peptide (P11-4) exhibited a higher degree of REM than other remineralizing agents followed by CSP.\u0000","PeriodicalId":516572,"journal":{"name":"Journal of Conservative Dentistry and Endodontics","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139640892","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Assessment of the impact of XP-Endo Finisher file on push-out bond strength of various endodontic sealers","authors":"P. Mohite, Divya Gupta, Ruchika Gupta, S. Kamat, Amar Kumar Shaw","doi":"10.4103/jcde.jcde_189_23","DOIUrl":"https://doi.org/10.4103/jcde.jcde_189_23","url":null,"abstract":"\u0000 \u0000 \u0000 An endodontic treatment is considered a success after thorough chemomechanical debridement coupled with obturating root canals in a concrete way thereby providing hermetic seal. Gutta-percha being nonadherent necessitates use of a sealer to achieve hermetic seal. Adequate adhesion of root canal sealer with gutta-percha core and radicular dentin ensures lack of apical leakage.\u0000 \u0000 \u0000 \u0000 Sixty extracted mandibular premolars with single root canal decoronated at cementoenamel junction were selected and randomly allocated to two groups (n = 30). Samples in Group 1 were prepared with BT Race file, while Group 2 samples were prepared with BT Race alongwith XP Endo file. Absorbent paper points were used for canal drying and samples were randomly divided into six subgroups. In Subgroup I, obturation was done with bio-ceramic (BC) sealer (Endosequence BC) and BC gutta-percha. In Subgroup II, resin-based (AH plus) sealer and gutta-percha were used. In Subgroup III, calcium hydroxide-based (Sealapex) sealer and gutta-percha were used. Sectioning of root samples was done perpendicularly into coronal, middle, and apical segments of 3 mm each. A universal testing machine was used for sample testing, in which push-out bond strength corresponded to the highest value obtained. Stereomicroscopic (×20) study of the samples determined the failure mode at dentin/sealer/main cone interface.\u0000 \u0000 \u0000 \u0000 Analysis of variance and post hoc Tukey’s tests were used for data analysis.\u0000 \u0000 \u0000 \u0000 Endosequence BC with XP-Endo files showed the highest mean push-out bond strength (16.31 MPa), whereas Sealapex without XP-Endo file had the lowest values (12.76 MPa). Mixed failure of adhesive and cohesive mode was observed for most samples.\u0000 \u0000 \u0000 \u0000 Adjunctive irrigation agitation technique utilizing XP-Endo Finisher facilitates biofilm eradication from difficult niches in root canals, thereby improving adhesion of sealer and subsequently the sealer bond strength.\u0000","PeriodicalId":516572,"journal":{"name":"Journal of Conservative Dentistry and Endodontics","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139640895","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}