钛基基基上全烧结氧化锆混合基冠的拉拔力与断裂载荷：表面处理效果及材料比较

IF 5.5 2区医学 Q1 DENTISTRY, ORAL SURGERY & MEDICINE

Journal of dentistry Pub Date : 2025-09-25 DOI:10.1016/j.jdent.2025.106134

Qiucen Wan , Dong-Hun Lee , Ryan Jin Young Kim , In-Sung Luke Yeo , Jae-Hyun Lee , Irena Sailer

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引用次数: 0

摘要

目的：评价表面处理对钛基支撑的含氧化铌稳定的四边形氧化锆多晶（[Y, Nb]-TZP）全烧结体的拔牙力的影响，并将其与二硅酸锂（LD）和聚合物渗透陶瓷网络（PICN）修复体的断裂负荷进行比较。方法：将40个(Y, Nb)-TZP杂交基牙冠标本根据表面处理情况分为4组（n=10）：未表面处理组（FSZ-N组）、空气颗粒磨损组（FSZ-A组）、10-甲基丙烯酰氧十二基磷酸二氢（MDP）引物组（FSZ-M组）、APA和10-MDP引物组（FSZ-AM组）。在胶结和热循环后，通过拉拔试验检测了拉拔力和破坏模式。为了评估断裂载荷，从(Y, Nb)-TZP（完全烧结氧化锆；FSZ组），LD （LD组）和PICN （PICN组）块（n=10）中铣削30个杂交基牙-冠试件。在胶结和热循环之后，记录了断裂载荷和破坏模式。结果：FSZ-M组和FSZ-AM组的拔牙力明显高于FSZ-N组。FSZ-A组的抽离力最低。LD组骨折负荷高于PICN组。FSZ组骨折负荷与LD、PICN组比较无明显差异。结论：使用含有10- mdp的引物增强了由全烧结(Y, Nb)-TZP磨成的混合基牙冠的拔牙力，无论是否使用APA。由这种材料制成并由钛基基基支撑的种植体修复体显示出与LD和PICN修复体相当的骨折负荷。临床意义：对于由完全烧结的氧化锆磨成并由钛基基台支撑的种植体修复体，使用含有10- mdp的引物是改善固位的关键步骤。此外，它们的骨折负荷与其他由现有材料研磨而成的修复体相当，这支持了它们在钛基基台的临床应用潜力。

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Pull-out force and fracture load of fully sintered zirconia hybrid abutment-crowns on Ti-base abutments: Surface treatment effects and material comparison

Objectives

To evaluate the effect of surface treatment on the pull-out force of implant restorations supported by Ti-bases and milled from fully sintered niobium oxide-containing yttria-stabilized tetragonal zirconia polycrystals ([Y, Nb]-TZP), and to compare their fracture load with that of lithium disilicate (LD) and polymer-infiltrated ceramic network (PICN) restorations.

Methods

To evaluate pull-out force, 40 (Y, Nb)-TZP hybrid abutment-crown specimens were divided into four groups based on the surface treatment applied (n = 10): no surface treatment (FSZ-N group), airborne-particle abrasion (APA) (FSZ-A group), a 10-methacryloyloxydecyl dihydrogen phosphate (MDP) primer (FSZ-M group), and both APA and a 10-MDP primer (FSZ-AM group). After cementation and thermocycling, the pull-out forces and failure modes were examined by pull-out testing. To evaluate fracture load, 30 hybrid abutment-crown specimens were milled from (Y, Nb)-TZP (fully sintered zirconia; FSZ group), LD (LD group), and PICN (PICN group) blocks (n = 10). Following cementation and thermocycling, fracture loads and failure modes were recorded.

Results

The FSZ-M and FSZ-AM groups demonstrated significantly higher pull-out forces than the FSZ-N group. The FSZ-A group showed the lowest pull-out force. The LD group had a higher fracture load than the PICN group. The fracture load of the FSZ group showed no significant difference compared with the LD or PICN group.

Conclusions

Applying a 10-MDP-containing primer enhanced the pull-out force of hybrid abutment-crowns milled from fully sintered (Y, Nb)-TZP, with or without APA. Implant restorations fabricated from this material and supported by Ti-base abutments exhibited a fracture load comparable to that of LD and PICN restorations.

Clinical significance

For implant restorations milled from fully sintered zirconia and supported by Ti-base abutments, applying a 10-MDP-containing primer is a key step for improving retention. Furthermore, their fracture load, which is comparable to other restorations milled from established materials, supports their potential for clinical use on Ti-base abutments.

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来源期刊

Journal of dentistry 医学-牙科与口腔外科

CiteScore

7.30

自引率

11.40%

发文量

349

审稿时长

35 days

期刊介绍： The Journal of Dentistry has an open access mirror journal The Journal of Dentistry: X, sharing the same aims and scope, editorial team, submission system and rigorous peer review. The Journal of Dentistry is the leading international dental journal within the field of Restorative Dentistry. Placing an emphasis on publishing novel and high-quality research papers, the Journal aims to influence the practice of dentistry at clinician, research, industry and policy-maker level on an international basis. Topics covered include the management of dental disease, periodontology, endodontology, operative dentistry, fixed and removable prosthodontics, dental biomaterials science, long-term clinical trials including epidemiology and oral health, technology transfer of new scientific instrumentation or procedures, as well as clinically relevant oral biology and translational research. The Journal of Dentistry will publish original scientific research papers including short communications. It is also interested in publishing review articles and leaders in themed areas which will be linked to new scientific research. Conference proceedings are also welcome and expressions of interest should be communicated to the Editor.