Rohini Keerthi, Tanwani Tushar, Soni Sudeepti, Jumde Shruti, Chakraborty Anindita
Department of Prosthodontics and Crown and Bridge, New Horizon Dental College and Research Institute, Bilaspur, IND.
Cureus. 2025 Jul 4;17(7):e87286. doi: 10.7759/cureus.87286. eCollection 2025 Jul.
Fabrication of provisional fixed partial dentures in cases with nonparallel abutments presents a unique prosthodontic challenge, especially when esthetic and hygienic demands must be balanced with mechanical retention. Traditional approaches often utilize visible clasps or rely on non-esthetic stabilizing components that compromise patient comfort and appearance. This technical note describes an innovative technique that eliminates the need for clasps by incorporating a triangular rest seat with a dovetail configuration, designed to provide multidirectional stability. Reinforcement within the rest seat and sealing with composite resin ensures a clean, esthetic finish while maintaining the structural integrity and retention of the prosthesis. In addition, a segmental fabrication approach allows for precise adaptation around nonparallel abutments. This technique offers a conservative, patient-friendly solution that improves esthetics, hygiene, and functional reliability in provisional restorations.
在基牙不平行的病例中制作临时固定局部义齿带来了独特的修复挑战,尤其是在美观和卫生需求必须与机械固位相平衡时。传统方法通常使用可见卡环或依赖不美观的稳定部件,这会影响患者的舒适度和外观。本技术说明描述了一种创新技术,该技术通过结合燕尾形配置的三角形支托凹来消除对卡环的需求,旨在提供多向稳定性。支托凹内的加强和复合树脂密封确保了干净、美观的表面,同时保持了修复体的结构完整性和固位。此外,分段制作方法允许在不平行的基牙周围精确适配。该技术提供了一种保守的、患者友好的解决方案,可改善临时修复体的美观、卫生和功能可靠性。