Longevity News

3D-Printed Oral Stents Improve Setup Stability, Geometric Morphology, and Dosimetric Outcomes while Reducing Functional Impairment in Radiotherapy for Nasopharyngeal Carcinoma

Source: Frontiers - Health • Published: 03 Aug 2026, 00:00

3D-Printed Oral Stents Improve Setup Stability, Geometric Morphology, and Dosimetric Outcomes while Reducing Functional Impairment in Radiotherapy for Nasopharyngeal Carcinoma

Report on a retrospective study testing personalized 3D-printed intraoral stents to improve setup stability and reduce functional toxicity during radiotherapy for nasopharyngeal cancer.

Key Takeaways
  • Personalized 3D‑printed intraoral stents significantly reduced patient-reported xerostomia
  • Use of the stents decreased interfractional geometric variability of mobile organs at risk
  • Dosimetric analysis showed lower mean and maximum inner ear doses with stent use
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