bioceramic sealer

生物陶瓷密封剂
  • 文章类型: Journal Article
    目的:这项回顾性研究的目的是比较两种根管封闭剂和三种封闭技术用于非手术根管治疗的临床效果。
    方法:本研究共纳入两百三十七例患者的二百八十三颗根管治疗牙齿,至少随访6个月。运河充满了三种不同的模式:1)冷侧向冷凝(CLC)和AHPlusSealer;2)连续波冷凝技术(CWC)和AHPlusSealer,和3)基于密封剂的封闭技术(SBO)和AH+生物陶瓷密封剂。根据临床症状和体征分析治疗结果,和根尖X光片(根尖指数,PAI)。
    结果:应用的各种密封剂和填充技术在治疗结果上没有显著差异。在CWC组中最常见的是密封剂挤出(60.67%),其次是SBO(59.21%)和CLC(21.19%),差异有统计学意义(p<0.05)。最初的诊断,既往治疗和密封剂挤出(p<.05)是影响治疗结果的预后因素.
    结论:根据本研究的结果,封堵器类型和填充技术都不会影响术前诊断时的治疗成功,先前的治疗和密封剂挤压对结果有显著影响。
    结论:与单锥技术一起应用的生物陶瓷密封剂可能被认为是根管闭塞的替代方法。
    OBJECTIVE: The aim of this retrospective study was to compare the clinical results of two root canal sealers and three obturation techniques used for non-surgical root canal treatment.
    METHODS: A total of two hundred eighty-three root canal treated teeth in two hundred thirty-seven patients with minimum a 6-month follow-up was included for this study. The canals were filled with three different modes: 1) cold lateral condensation (CLC) and AH Plus Sealer; 2) continuous wave condensation technique (CWC) and AH Plus Sealer, and 3) sealer-based obturation technique (SBO) and AH Plus Bioceramic Sealer. The treatment outcome was analysed based on clinical signs and symptoms, and periapical radiograph (periapical index, PAI).
    RESULTS: There were no significant differences in treatment outcome between various sealers and filling techniques applied. The sealer extrusion was found most frequently in the CWC group (60.67%), followed by SBO (59.21%) and CLC (21.19%) with statistically significant differences (p < .05). The initial diagnosis, previous treatment and sealer extrusion (p < .05) were prognostic factors that affected treatment outcome.
    CONCLUSIONS: Based on the findings of this study, neither the sealer type nor the filling technique affected the treatment success while preoperative diagnosis, previous treatment and sealer extrusion had significant effect on the outcome.
    CONCLUSIONS: A bioceramic sealant applied along with the single-cone technique might be considered as an alternative method in root canal obturation.
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  • 文章类型: Journal Article
    经牙髓处理的牙齿在根管治疗过程中更容易发生垂直牙根断裂,机械性能在一定程度上发生变化。本研究旨在研究生物陶瓷密封剂对牙根力学性能的影响。
    通过两种不同的方法(乙醇干燥和纸点干燥)干燥牙本质圆盘,然后用名为iRootSP的BC封口机填充。使用SEM和EDS分析牙本质小管中新形成的矿物质。使用纳米压痕技术测量了初级牙本质(PD-SD)附近区域和根管或iRootSP(SD-C/SD-iRootSP)附近区域的次级牙本质的弹性模量和硬度。通过压缩载荷试验测试了用iRootSP填充的根部的抗压强度。
    (1)渗透和矿化:纸点干燥更有利于iRootSP粘附,扩散和渗透到牙本质小管比95%乙醇干燥。(2)微机械特性:用iRootSP填充根管后,SD-iRootSP的弹性模量和硬度均高于PD-SD(P=0.001和P=0.000)。(3)抗断裂性:用iRootSP填充的根部的抗压强度与未准备和未填充的根部的抗压强度没有显着差异(P=0.957),但高于制备和未填充的根(P=0.009)。
    过度干燥(95%乙醇干燥方法)不利于BC封闭剂iRootSP渗透到牙本质小管中并矿化。iRootSP良好的生物活性有助于提高牙本质的弹性模量和硬度,这加强了准备好的根。
    UNASSIGNED: Endodontically treated teeth are more prone to vertical root fracture with the mechanical property changes to some extent during root canal treatment. This study aimed to investigate the effects of a bioceramic sealer on the mechanical properties of tooth roots.
    UNASSIGNED: Dentin discs were dried by two different methods (ethanol drying and paper points drying) and then filled with a BC sealer named iRoot SP. SEM and EDS were used to analyze the newly formed minerals in dentin tubules. Elastic modulus and hardness of the secondary dentin in areas proximal to the primary dentin (PD-SD) and areas proximal to canal or iRoot SP (SD-C/SD-iRoot SP) were measured using nanoindentation technique. The compressive strength of roots filled with iRoot SP were tested by compressive loading test.
    UNASSIGNED: (1) Penetration and mineralization: Paper points drying was more conducive to iRoot SP adhesion, spreading and penetration into the dentin tubules than 95% ethanol drying. (2) Micromechanical properties: After filling root canal with iRoot SP, the elastic modulus and hardness of SD-iRoot SP were higher than those of PD-SD (P = 0.001 and P = 0.000). (3) Fracture resistance: The compressive strength of the roots filled with iRoot SP was not significantly different from that of the roots unprepared and unfilled (P = 0.957), but was higher than that of the roots prepared and unfilled (P = 0.009).
    UNASSIGNED: Excessive drying (95% ethanol drying method) is not conducive to the penetration and mineralization of the BC sealer iRoot SP into dentin tubules. The good bioactivity of iRoot SP was responsible for increasing the elastic modulus and hardness of dentin, which strengthened the prepared roots.
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  • 文章类型: Journal Article
    本研究根据不同的干燥方法,使用硅酸钙基密封剂研究了根管闭塞的纳米渗漏。
    本研究选择了52个单根根管和直根的下颌前磨牙。用镍钛旋转文件系统制备运河后,根据运河干燥方法将标本随机分为4组(1:完全干燥,2:吸干/蒸馏水,3:印迹干燥/NaOCl,4:仅抽吸)。使用基于硅酸钙的密封剂的单锥填充技术封闭根管。24小时后,使用纳米流通量装置评估纳米渗漏,1周,和1个月。以纳米级每秒两次收集数据并以纳升每秒测量。使用Kruskal-Wallis和Mann-WhitneyU检验(p<0.05)对数据进行统计学分析。
    24小时后测量的平均流速在所有组中的时间段中显示出最高值。然而,1周和1个月之间的流量差异不显著.完全干燥组的平均流速在所有时间点都是最高的。一个月后,印迹干燥组和抽吸组的平均流速没有显着差异。
    在本研究的局限性内,根管干燥方法对使用硅酸钙基封闭剂的根管闭塞的渗漏和密封能力有显著影响。因此,正确的干燥程序在牙髓治疗中至关重要。
    UNASSIGNED: This study investigated the nanoleakage of root canal obturations using calcium silicate-based sealer according to different drying methods.
    UNASSIGNED: Fifty-two extracted mandibular premolars with a single root canal and straight root were selected for this study. After canal preparation with a nickel-titanium rotary file system, the specimens were randomly divided into 4 groups according to canal drying methods (1: complete drying, 2: blot drying/distilled water, 3: blot drying/NaOCl, 4: aspiration only). The root canals were obturated using a single-cone filling technique with a calcium silicate-based sealer. Nanoleakage was evaluated using a nanoflow device after 24 hours, 1 week, and 1 month. Data were collected twice per second at the nanoscale and measured in nanoliters per second. Data were statistically analyzed using the Kruskal-Wallis and Mann-Whitney U-tests (p < 0.05).
    UNASSIGNED: The mean flow rate measured after 24 hours showed the highest value among the time periods in all groups. However, the difference in the flow rate between 1 week and 1 month was not significant. The mean flow rate of the complete drying group was the highest at all time points. After 1 month, the mean flow rate in the blot drying group and the aspiration group was not significantly different.
    UNASSIGNED: Within the limitations of this study, the canal drying method had a significant effect on leakage and sealing ability in root canal obturations using a calcium silicate-based sealer. Thus, a proper drying procedure is critical in endodontic treatment.
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  • 文章类型: Journal Article
    牙齿骨折是狗和猫最常见的创伤性颌面部损伤之一。对于功能重要的牙齿中发生的牙髓暴露骨折,文献表明,根管治疗(RCT)是一种有效的治疗选择,可能是拔牙前的选择。在美国,最常见的骨折涉及犬齿;然而,上颌第四前磨牙骨折在韩国更为常见,那里有许多中小型的狗。RCT以机械和化学方式从感染的根管中去除牙髓组织和细菌(清洁和整形),并用填充材料封闭根管,以恢复牙齿功能而没有炎症。各种技术,仪器,和用于人类的材料已经被修改用于兽医牙科。
    这项研究分析了使用三种不同的密封剂(基于硅胶的密封剂,生物陶瓷封口机,和氢氧化钙基密封剂)通过简单的单锥技术应用。
    上颌第四前磨牙RCT的总体成功率为90.83%,8.33%无故障证据(NEF)和0.83%故障。
    三种不同的密封剂之间没有显着差异。此外,先前存在的根尖周病变(PAL)被再次确认为降低RCT成功率的因素。此外,在我们的研究中分析了每个根的工作长度和主根尖文件,作为牙髓兽医的新参考。
    UNASSIGNED: Tooth fracture is one of the most common traumatic maxillofacial injuries in dogs and cats. For fractures with pulp exposure occurring in functionally important teeth, the literature indicates that root canal treatment (RCT) is an effective therapy option that may be the remedy of choice before extraction. The most commonly reported fractures in the United States involve canine teeth; however, fractures of the maxillary fourth premolars are more common in Korea, where there are many small-and medium-sized dogs. RCT mechanically and chemically removes pulp tissue and bacteria (cleaning and shaping) from the infected root canal, and obturates the root canal with filling material to restore tooth functionality without inflammation. Various techniques, instruments, and materials used in humans have been modified for application in veterinary dentistry.
    UNASSIGNED: This study analyzed the results of RCT of the maxillary fourth premolar in 120 small-and medium-sized dogs (weighing less than 25 kg) using three different sealers (silicone-based sealer, bioceramic sealer, and calcium hydroxide-based sealer) through a simple application of the single-cone technique.
    UNASSIGNED: The overall success rate of RCT in maxillary fourth premolars was 90.83%, with 8.33% no evidence of failure (NEF) and 0.83% failure.
    UNASSIGNED: There were no significant differences between the three different sealers. Furthermore, preexisting periapical lesion (PAL) was reconfirmed as a factor in reducing the success rate of RCT. In addition, the working length and master apical file of each root were analyzed in our study as a novel reference for endodontic veterinarians.
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  • 文章类型: Journal Article
    在牙髓治疗期间,密封剂密封牙本质小管并防止微生物侵袭。生物陶瓷密封剂具有优异的生物活性,但发现其高碱度对神经根胶原有不利影响。胶原交联剂具有化学修饰胶原的能力并且可以防止密封剂的有害作用。
    这项研究旨在评估胶原蛋白交联剂对神经根胶原蛋白基质完整性和密封剂渗透深度的影响。
    取下颌前磨牙(n=48)。对牙齿进行装饰;准备运河直到ProTaper尺寸F2,并用5mL2.5%NaOCl灌溉,然后在仪器之间加入3毫升17%的乙二胺四乙酸,最后用盐水冲洗,然后根据表面处理将牙齿分为三组:第1组:6.5%原花青素(PA),第2组:氯己定(CHX),第3组:生理盐水。使用牙胶和生物陶瓷密封剂封闭牙齿,并储存在人工唾液中。在14天和21天后使用分光光度计评估羟脯氨酸(HYP)释放。使用扫描电子显微镜评估密封剂渗透。
    进行HYP释放的Wilcoxon符号秩检验和Kruskal-Wallis检验以及封口剂渗透的配对t检验和方差分析。
    在原花青素处理组中观察到HYP的释放显著降低。与盐水相比,原花青素和CHX处理组的密封剂渗透更好。
    用胶原蛋白交联剂进行表面处理导致HYP释放量减少,表明胶原蛋白降解较少。由于在表面处理之后去除涂抹层,密封剂渗透更好。
    UNASSIGNED: During endodontic treatment, sealers seal off dentinal tubules and prevent microbial attack. Bioceramic sealers have excellent bioactivity, but its high alkalinity is found to have detrimental effects on radicular collagen. Collagen cross linkers have the ability to chemically modify collagen and can prevent the detrimental effects of the sealer.
    UNASSIGNED: This research was aimed to assess the effect of collagen cross-linking agents on the integrity of radicular collagen matrix and depth of penetration of sealer.
    UNASSIGNED: Mandibular premolars (n = 48) were taken. Teeth were decoronated; canals were prepared till ProTaper size F2 and were irrigated with 5 mL of 2.5% NaOCl, followed by 3 mL of 17% ethylenediaminetetraacetic acid between instrumentation and finally rinsed with saline following which teeth were divided into three groups based on the surface treatments: Group 1: 6.5% proanthocyanin (PA), Group 2: chlorhexidine (CHX), and Group 3: saline. Teeth were obturated using gutta-percha and bioceramic sealer and stored in artificial saliva. Hydroxyproline (HYP) release was assessed after 14 and 21 days using spectrophotometer. Sealer penetration was assessed using the scanning electron microscope.
    UNASSIGNED: Wilcoxon signed-rank test and Kruskal-Wallis test for release of HYP and paired t-test and ANOVA for sealer penetration were performed.
    UNASSIGNED: Significantly lower release of HYP was seen in proanthocyanin-treated group. Sealer penetration was better for both the proanthocyanin- and CHX-treated groups when compared to saline.
    UNASSIGNED: Surface treatment with collagen cross-linkers caused a decrease in the amount of HYP released, indicating lesser degradation of collagen. Sealer penetration was better due to the removal of smear layer following the surface treatments.
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  • 文章类型: Journal Article
    基于硅酸三钙的水泥对牙齿健康和生物相容性表现出几种有益的特性,可以诱导生物矿化。
    使用热和冷封堵技术评估基于硅酸三钙的密封剂的密封能力和管内渗透。
    在PubMed进行了电子搜索,Scopus,和WebofScience数据库,用于使用生物陶瓷进行牙髓治疗的牙齿及其在根管闭塞中的密封能力,直到2023年2月为止。
    在90篇文章中,16符合纳入标准,只有10个用于荟萃分析,其中四个涉及肾小管内渗透,四个寻址密封能力,两个解决了这两个变量。在密封能力组中,荟萃分析得出的标准化平均差(SMD)为-1.31,有利于测试组(温暖),具有一定的不显着趋势(p=0.081);关于肾小管内渗透,荟萃分析得出结论,SMD=2.34,有利于试验组(温暖),穿透率显著提高(p=0.032).
    热闭塞技术比冷技术引入了更大的肾小管内渗透,与冷技术相比,密封能力非常出色,接近统计意义。
    UNASSIGNED: Tricalcium silicate-based cements exhibit several beneficial properties for dental health and biocompatibility, which can induce biomineralisation.
    UNASSIGNED: To assess the sealing ability and intratubular penetration of tricalcium silicate-based sealers using warm and cold obturation techniques.
    UNASSIGNED: An electronic search was conducted in PubMed, Scopus, and Web of Science databases for endodontically treated teeth with bioceramics and their sealing capacity in root canal obturation published up to February 2023.
    UNASSIGNED: Of the 90 articles, 16 met the inclusion criteria, and only 10 were used for the meta-analysis, of which four addressed intratubular penetration, four addressed sealing capacity, and two addressed both variables. In the sealing capacity group, the meta-analysis concluded a standardised mean difference (SMD) of -1.31 in favour of the test group (warm) with a certain nonsignificant trend (p = 0.081); regarding intratubular penetration, the meta-analysis concluded an SMD = 2.34 in favour of the test group (warm) with significantly greater penetration (p = 0.032).
    UNASSIGNED: The warm obturation technique introduced significantly greater intratubular penetration than the cold technique, along with a remarkably superior sealing capacity compared to the cold technique, approaching statistical significance.
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  • 文章类型: Case Reports
    具有C形根管构型的下颌第二磨牙的根管再治疗提出了显着挑战。本文介绍了在表现出这种复杂构型的下颌第二磨牙中成功进行根管再治疗的案例。在这种情况下,要获得成功的牙髓治疗结果,就必须全面了解独特的根管解剖结构。此外,采用先进的仪器和技术对于有效解决C形根管系统的复杂性至关重要。
    Root canal retreatment in mandibular second molars with C-shaped root canal configurations presents notable challenges. This article presents a case of successful root canal retreatment in a mandibular second molar exhibiting this complex configuration. Achieving a successful endodontic outcome in such cases necessitates a comprehensive understanding of the unique root canal anatomy. Moreover, the employment of advanced instruments and techniques is crucial to effectively address the intricacies of the C-shaped root canal system.
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  • 文章类型: Journal Article
    背景:这项研究的目的是评估两种新引入的基于预混合硅酸钙的根管封闭剂(AHPlusBiocamicSealer和Bio-CSealer)与基于树脂的根管封闭剂(ADseal根管封闭剂)的理化性能。
    方法:溶解度,pH分析,钙离子释放,每个密封剂的膜厚度根据ISO指南进行评估。使用双向ANOVA检验检查数据。此外,进行X射线衍射(XRD)检查以研究每种类型的密封剂的结晶相。进行X-射线荧光(XRF)分析用于每种密封剂的化学元素分析。
    结果:薄膜厚度最小,最高碱度,AHPlus生物陶瓷密封剂显示钙离子释放量最高。高溶解度,高碱度,中间钙离子释放,和中间膜厚度均由Bio-CSealer显示。当ADseal根管封闭剂显示最大的膜厚度时,最小溶解度,碱度,和钙离子释放。
    结论:AHPlus生物陶瓷密封剂和Bio-C密封剂都表现出足够的性能,被认为是一种良好的密封剂,可以用作树脂基根管密封剂的潜在替代品。
    BACKGROUND: The aim of this study was to evaluate the physicochemical properties of two newly introduced premixed calcium silicate-based root canal sealers (AH Plus Bioceramic Sealer and Bio-C Sealer) compared to a resin-based root canal sealer (ADseal root canal sealer).
    METHODS: Solubility, pH analysis, calcium ion release, and film thickness of each sealer were evaluated following ISO guidelines. The data were examined using the two-way ANOVA test. Furthermore, X-ray diffraction (XRD) examination was performed to investigate the crystalline phase of each type of sealer. X-ray fluorescence (XRF) analysis was done for the chemical elemental analysis of each sealer.
    RESULTS: The least film thickness, highest alkalinity, and highest calcium ion release were all displayed by AH Plus Bioceramic Sealer. High solubility, high alkalinity, intermediate calcium ion release, and intermediate film thickness were all displayed by Bio-C Sealer. While ADseal root canal sealer displayed the greatest film thickness, least solubility, alkalinity, and calcium ion release.
    CONCLUSIONS: Both AH Plus Bioceramic Sealer and Bio-C Sealer represented adequate properties to be considered a good sealer that could be used as a potential alternative to resin-based root canal sealers.
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  • 文章类型: Journal Article
    在初级牙髓治疗失败的情况下,牙髓再治疗是一线治疗。尽管与诸如不完全去除堵塞材料之类的挑战有关,增加临床时间,和顶端碎片的挤压,牙髓再治疗在普通人群中仍然有相当大的成功率。
    本研究的目的是评估和比较TruNatomy的疗效,ProTaper后处理,和RaCe文件系统来移除阻塞材料,去除堵塞材料所需的时间,以及使用锥形束计算机断层扫描(CBCT)对碎片进行顶端挤压。
    体外研究。
    下颌磨牙的45个中等弯曲的近颊根被测量到#25,锥度为4%,并用生物陶瓷密封剂和侧向压实技术封闭。将牙齿随机分为三组(n=15)。用TruNatomy退牙,ProTaper后处理,还有RaCe文件系统,分别。记录治疗前和治疗后CBCT扫描,并计算去除的阻塞物质的百分比。记录除去闭塞材料和碎片的顶端挤出所花费的时间。
    描述性统计数据,包括百分比,意思是,标准偏差,Tukey的事后测试,Kruskal-Wallis测试,使用了Mann-Whitney事后检验。
    在RaCe组中,去除闭塞物质所需的总时间相对较短,其次是ProTaper再治疗组和TruNatomy组(P<0.001)。TruNatomy文件在去除闭塞材料方面明显优于ProTaper后处理文件(P=0.04)。静态,RaCe和TruNatomy文件之间没有差异。TruNatomy组的顶部挤出碎片比RaCe和ProTaper再治疗组的顶部挤出碎片多(P=0.01)。
    所有经过测试的牙髓档案均可有效去除堵塞材料,尽管没有一个可以完全去除填充材料,并且没有一个系统可以完全消除顶端挤压。
    UNASSIGNED: Endodontic retreatment is the first line of treatment in cases of failed primary endodontic treatment. Although associated with challenges such as incomplete removal of obturating material, increased clinical time, and extrusion of apical debris, endodontic retreatment still has considerable success rate in the general population.
    UNASSIGNED: The aim of this study was to evaluate and compare the efficacy of TruNatomy, ProTaper retreatment, and RaCe file systems to remove the obturating material, time taken to remove the obturating material, and apical extrusion of debris using cone-beam computed tomography (CBCT).
    UNASSIGNED: In vitro study.
    UNASSIGNED: Forty-five moderately curved mesiobuccal roots of the mandibular molars were instrumented up to #25, 4% taper and obturated with bioceramic sealer and lateral compaction technique. Teeth were divided randomly into three groups (n = 15). Teeth were retreated with TruNatomy, ProTaper retreatment, and RaCe file systems, respectively. Preretreatment and postretreatment CBCT scans were recorded and percentage of obturating material removed was calculated. Time taken to remove the obturating material and apical extrusion of debris was noted.
    UNASSIGNED: Descriptive statistics including percentage, mean, standard deviation, Tukey\'s post hoc test, Kruskal-Wallis test, and Mann-Whitney Post hoc test were used.
    UNASSIGNED: The total time needed for the removal of obturating material was comparatively shorter in the RaCe group, followed by the ProTaper retreatment group and TruNatomy group (P < 0.001). TruNatomy files were significantly better in removing the obturating material than the ProTaper retreatment files (P = 0.04). Statically, no difference between RaCe and TruNatomy files was noted. Apically extruded debris was more in the TruNatomy group than in the RaCe and ProTaper retreatment groups (P = 0.01).
    UNASSIGNED: All tested endodontic files were effective in removal of obturating material, although none could completely remove the filling material and no system could completely eliminate apical extrusion.
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  • 文章类型: Journal Article
    比较使用树脂基或生物陶瓷密封剂后,经牙髓治疗的牙齿术后不适和根尖周愈合的发生率。在体内,临床试验纳入研究.选择标准,数据提取,并进行分析以评估所选研究的质量和发表偏倚.主要结果指标是比较两种密封剂类型之间的术后不适。七项研究被纳入系统评价,在质量评估中发现了适度的证据。树脂基密封剂和生物陶瓷密封剂之间的术后不适水平没有显着差异。然而,临床试验的总体质量中等,强调需要进一步精心设计的临床试验,并采用适当的随机化措施,分配隐藏,和盲法,以确定与使用这些密封剂相关的术后不适的发生率。
    To compare the incidence of postoperative discomfort and periapical healing in endodontically treated teeth following the use of resin-based or bioceramic sealers. In vivo, clinical trials were included in the study. The selection criteria, data extraction, and analysis were performed to evaluate the quality and publication bias of the selected studies. The primary outcome measure was the comparison of postoperative discomfort between the two sealer types. Seven studies were included in the systematic review, with a modest level of evidence found in the quality assessment. There are no significant differences in the postoperative discomfort levels between resin-based and bioceramic sealers. However, the overall quality of the clinical trials was moderate, highlighting the need for further well-designed clinical trials with appropriate measures of randomization, allocation concealment, and blinding to establish a definitive conclusion on the incidence of Postoperative discomfort associated with the use of these sealers.
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