ArticleCureus2025
Flexible Obturator With a Full Digital Workflow: A Proof-of-Concept Case Report.
Article in Cureus, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Authors and funding
4 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Oral cancer treatment often results in maxillary defects that require prosthetic rehabilitation to restore function and aesthetics. Palatal obturators, particularly flexible silicone obturators, are commonly used but are difficult to design and fabricate in patients with post-radiation trismus or extensive defects. This case report presents an innovative, fully digital workflow from design to manufacture of a self-retaining flexible palatal obturator. Using cone-beam computed tomography (CBCT) scans and segmentation software, a three-dimensional (3D) model of the defect was created, which was then used to design a hollow obturator. The obturator was 3D-printed with flexible IBT (indirect bonding tray) resin (Formlabs, Somerville, MA). The 3D-printed flexible obturator was clinically validated chairside. A qualitative assessment was performed by the patient and showed comparable functional results between the digital obturator and conventional obturator, with notable advantages in weight reduction. This innovative protocol bypasses the traditional challenges of impression taking, offering a reproducible and accessible method for the prosthetic management of complex maxillary defects.
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