Replacement of Two Missing Adjacent Teeth with Two Single-Retainer Resin-Bonded Fixed Dental Prostheses with Improved Proximal Design.

IF 2.1 4区医学 Q2 DENTISTRY, ORAL SURGERY & MEDICINE

International Journal of Prosthodontics Pub Date : 2023-05-01 DOI:10.11607/ijp.7711

Anne Garling, Reinhard Busch, Matthias Kern

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引用次数: 0

Abstract

Purpose: To present a minimally invasive treatment approach for the replacement of two missing adjacent teeth with two single-retainer resin-bonded fixed dental prostheses (RBFDPs).

Materials and methods: Two missing adjacent premolars were restored by two RBFDPs with an innovative design of the proximal section. Both RBFDPs were digitally designed and milled from monolithic 3Y-TZP zirconia ceramic using CAD/CAM. Following construction of the anterior RBFDP, a shallow interlock was designed in the area of proximal contact in the same insertion direction as the posterior RBFDP. In this way, different paths of insertion of the RBFDPs could be provided without compromising the proximal hygiene capability.

Results: The presented minimally invasive restorations were successful over 5 years of clinical bservation without any complications.

Conclusion: The presented restoration design secures the transversal position of the RBFDPs while maintaining physiologic tooth mobility. In addition, it allows for varying paths of insertion while improving hygienic conditions. Last, in case of a unilateral debonding of one retainer wing, rebonding might be possible. Int J Prosthodont 2023;36:155-160. doi: 10.11607/ijp.7711.

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改良近端设计的单固位树脂粘接固定义齿替代邻近缺失两颗牙。

目的:介绍一种用两个单固位树脂粘接固定修复体(rbfdp)替代两颗缺失邻牙的微创治疗方法。材料和方法:采用创新设计的近段rbfdp修复2颗缺失的相邻前磨牙。这两种rbfdp都是用CAD/CAM对3Y-TZP单片氧化锆陶瓷进行数字化设计和铣削的。在构建前路RBFDP后，在与后路RBFDP相同的近端接触区域设计浅联锁。通过这种方式，可以在不影响近端卫生能力的情况下提供不同的rbfdp插入路径。结果:采用微创修复方法，临床观察5年，无并发症发生。结论:所设计的修复体在保持牙的生理活动能力的同时保证了rbfdp的横向位置。此外，它允许不同的插入路径，同时改善卫生条件。最后，在一个固定翼单边脱粘的情况下，重粘是可能的。[J]中华口腔医学杂志[J]; 2009; 31(6): 555 - 561。doi: 10.11607 / ijp.7711。

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来源期刊

International Journal of Prosthodontics 医学-牙科与口腔外科

CiteScore

3.20

自引率

4.30%

发文量

审稿时长

6-12 weeks

期刊介绍： Official Journal of the European Association for Osseointegration (EAO), the International College of Prosthodontists (ICP), the German Society of Prosthodontics and Dental Materials Science (DGPro), and the Italian Academy of Prosthetic Dentistry (AIOP) Prosthodontics demands a clinical research emphasis on patient- and dentist-mediated concerns in the management of oral rehabilitation needs. It is about making and implementing the best clinical decisions to enhance patients'' quality of life via applied biologic architecture - a role that far exceeds that of traditional prosthetic dentistry, with its emphasis on materials and techniques. The International Journal of Prosthodontics is dedicated to exploring and developing this conceptual shift in the role of today''s prosthodontist, clinician, and educator alike. The editorial board is composed of a distinguished team of leading international scholars.