Marginal adaptation of three root-end filling materials in cavities prepared with laser and ultrasonic tips: an in vitro comparative study.

IF 1.5
Busra Zengin, Seda Aydemir, Nicholas Paul Chandler
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引用次数: 0

Abstract

Objectives: This study evaluated the marginal adaptation of ProRoot MTA (Dentsply Tulsa Dental), Biodentine (Septodont), and TotalFill BC RRM (FKG) placed in root-end cavities prepared with ultrasonic or Er,Cr:YSGG laser tips, using scanning electron microscopy.

Methods: The canals of 90 extracted maxillary central incisors were prepared and obturated and their roots resected. Six groups of 15 specimens were allocated as follows: ultrasonic + ProRoot MTA, ultrasonic + Biodentine, ultrasonic + TotalFill, laser + ProRoot MTA, laser + Biodentine, and laser + TotalFill. Roots were sectioned longitudinally to expose the filling material. Apical and coronal micrographs were taken, and the greatest distance between dentin and filling material was measured. The total gap area was also calculated using further micrographs.

Results: Cavities prepared with the ultrasonic tips and filled with Biodentine showed significantly greater gap dimensions compared with TotalFill (p < 0.001) and ProRoot MTA (p = 0.007) in the apical region. The ultrasonic group showed significantly higher void values compared to the laser group for ProRoot MTA (p = 0.026), when comparing the total values of void. The Biodentine group was significantly higher than the TotalFill group in root-end cavities prepared with ultrasonic tips (p < 0.001). The Biodentine group was significantly higher than the ProRoot MTA group in root-end cavities prepared with the laser tip (p = 0.002).

Conclusions: Under the conditions of this study, it was determined that the root-end cavity preparation technique had an effect on the amount of gaps formed between the dentin and the three filling materials.

三种根端填充材料在激光和超声尖端制备的牙槽中的边缘适应性:体外比较研究。
目的:本研究利用扫描电子显微镜评估了prooroot MTA (Dentsply Tulsa Dental)、Biodentine (septodon)和TotalFill BC RRM (FKG)在超声或Er,Cr:YSGG激光尖端制备的根端腔中的边缘适应性。方法:对90例拔除的上颌中切牙预备根管,封闭根管,切除根管。6组15例标本分配为:超声+ prooroot MTA、超声+ Biodentine、超声+ TotalFill、激光+ prooroot MTA、激光+ Biodentine、激光+ TotalFill。根纵向切片,露出充填材料。观察牙本质与充填材料之间的最大距离。还使用进一步的显微照片计算了总间隙面积。结果:与TotalFill (p < 0.001)和prooroot MTA (p = 0.007)相比,用超声针尖制备的牙槽在根尖区域的间隙尺寸明显增大。超声组prooroot MTA空洞值明显高于激光组(p = 0.026)。在超声针尖制备的根端牙槽中,Biodentine组明显高于TotalFill组(p < 0.001)。在激光尖端制备的根端腔中,Biodentine组明显高于prooroot MTA组(p = 0.002)。结论:在本研究条件下,确定根端空腔制备技术对牙本质与三种充填材料之间形成的间隙数量有影响。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
CiteScore
0.20
自引率
0.00%
发文量
35
审稿时长
12 weeks
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