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In-House Computer-Aided Design/Computer-Aided Manufacturing Digital Nasal Stents: An Economical Alternative for
Buddhathida Wangsrimongkol1, Poonsak Pisek1,2
1Division of Orthodontics, Faculty of Dentistry, Khon Kaen University, Khon Kaen, Thailand.
Annals of Plastic Surgery
|April 20, 2026
Summary
Digital nasal stents (DNS) offer an effective, economical alternative to NasoAlveolar Molding (NAM) for presurgical infant nasal deformity correction. This method improves cleft lip and nose appearance before reconstructive surgery.
Area of Science:
- Craniofacial surgery
- Pediatric plastic surgery
- Biomedical engineering
Background:
- NasoAlveolar Molding (NAM) is a standard presurgical treatment for infants with cleft lip and palate.
- NAM requires specific clinical conditions, including experienced practitioners and compliant caregivers.
- Alternative methods are needed when NAM is not suitable for an infant.
Purpose of the Study:
- To present the design, fabrication, and application of in-house computer-aided design and computer-aided manufacturing (CAD/CAM) digital nasal stents (DNS).
- To evaluate DNS as an alternative presurgical nasal molding therapy for infants with cleft lip and nose deformities.
- To demonstrate the efficacy of DNS in improving nasal symmetry and reducing alveolar gaps.
Main Methods:
- Digital nasal stents (DNS) were designed using CAD/CAM technology.
- DNS devices were fabricated using a stereolithography apparatus (SLA) 3D printer.
- DNS was applied to an infant with cleft lip, combined with lip taping.
Main Results:
- Significant improvement in cleft nasal deformity was achieved with presurgical nasal molding using DNS.
- Simultaneous reduction of the alveolar gap was observed with the adjunctive use of lip taping.
- The DNS device facilitated nasal molding prior to primary reconstructive surgery.
Conclusions:
- Presurgical nasal molding with DNS is an effective, efficient, and economical approach for infants with cleft lip and nose deformities.
- DNS serves as a viable alternative to NAM when NAM therapy is not feasible.
- This digital fabrication method offers a customizable solution for presurgical nasal correction.
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