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This case report evaluates UltraThineer, the world’s first no-prep, 3D printed zirconia veneer, for predictable aesthetics while preserving 100% natural tooth structure. A fully digital workflow used intra-oral scanning, virtual smile design, and additive fabrication of 120 µm zirconia shells. 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While conventional preparations do remove enamel, UltraThineer offers the world’s first no-prep, 3 D printed zirconia veneer. Created with advanced precision 3 D printing technology, UltraThineer elevates the veneer market by uniting innovative materials with digital manufacturing. This case report documents the use of UltraThineer to rehabilitate a 49 year old patient dissatisfied with her smile due to tetracycline staining. A fully digital workflow consisting of intra-oral scanning, virtual smile design, and additive fabrication of 120 µm (0 .120mm) zirconia shells was employed. This case outcome suggests that 3 D printed zirconia, paired with a no-prep strategy, can achieve predictable aesthetics while preserving 100% natural tooth structure. UltraThineer exemplifies how advanced materials and digital manufacturing can redefine veneer therapy, offering clinicians a non-invasive alternative to traditional reduction-based protocols.  \nIntroduction  \nThe pursuit of minimally invasive esthetic dentistry has intensified over the past decade, driven by patients’ increased aesthetic expectations and clinicians’ emphasis on long-term tooth preservation. Porcelain veneers remain the go-to solution for correcting discoloration, minormalalignment, and shape discrepancies; however, conventional protocols typically require removing 0.3–0.7 mm of facial enamel to accommodate ceramic thickness and ensure adequate translucency.¹ This irreversible step can elicit postoperative sensitivity, compromise bond strength, and deter otherwise eligible patients. Recent advances in digital dentistry and  \nhigh-performance ceramics have opened alternative pathways. Additive manufacturing (3D printing) of zirconia now permits fabrication of ultra-thin restorations with mechanical properties surpassing those of traditional pressed or milled ceramics.² UltraThineer leverages this technology to deliver the first zero-preparation, 3 D-printed zirconia veneer with a uniform thickness ranging from 80–250µm. This case report describes the digital workflow and six-week clinical outcome following placement of UltraThineer veneers on a 49-year-old patient exhibiting severe tetracycline staining. Tetracycline staining is a form of intrinsic tooth discoloration caused  \nby the use of broad-spectrum antibiotics, commonly prescribed during childhood in the mid-1900s. As the tooth matures and is exposed to light, the tetracycline oxidizes, resulting in permanent staining that appears yellow, brown, or gray.³ This case report aims to illustrate the practical application of additive zirconia in a no-prep protocol, highlighting its potential to redefine veneer therapy for both clinicians and patients who prioritize conservative treatment.  \nCase Presentation  \nA 49-year-old female patient presented to Newport Beach Dental Studio, Newport Beach, California, with concerns of long-standing, generalized tooth discoloration. Despite multiple previous attempts with both at-home and in-office bleaching treatments, there was no significant improvement in the tetracycline staining resulting from prior antibiotic exposure.  \nChief Complaint:  \nDiscoloration due tetracycline exposure from childhood. Patient was happy with her smile and natural shape of her teeth, but desired a conservative solution to lighten the color of her “dark teeth.”  \nClinical Findings:  \nRadiographic and clinical exam revealed no active carious lesions or infections. Patient has a history of restorative work, including a combination of composite and amalgam fillings. Patient had previously completed orthodontic therapy and is Class 1 occlusion. No signs of clenching or bruxism were observed.  \nDiagnosis:  \nIntrinsic discoloration induced ","cbCaicoVzJQQHazl","https://ap.wps.com/l/cbCaicoVzJQQHazl","pdf",13339529,"English","# Abstract\n# Introduction\n# Case Presentation\n## Chief Complaint\n## Clinical Findings\n## Diagnosis\n# Treatment Plan\n# Treatment Procedure","[{\"question\":\"What problem does the case address?\",\"answer\":\"The case addresses intrinsic discoloration from long-standing tetracycline staining that did not improve with previous bleaching treatments.\"},{\"question\":\"What treatment approach is used with UltraThineer?\",\"answer\":\"The approach uses a no-prep strategy with 3D printed zirconia veneers produced via a fully digital workflow.\"},{\"question\":\"How was the digital workflow implemented?\",\"answer\":\"It included intra-oral scanning, virtual smile design, submission for case design, and additive fabrication of ultra-thin zirconia shells.\"}]","The Use of UltraThineer 3D Printed Veneers in Masking Lifelong Tetracycline Staining - A No Prep Esthetic Approach | PDF",1790545405,25]