3Dresyn OD FDB Flexible Denture Base Resin

3Dresyn® OD FDB Flexible is a gingiva-colored flexible dental photopolymer formulation developed for professional laboratory fabrication workflows of flexible denture-base-type dental components requiring controlled elasticity, dimensional stability and mechanical durability.

Available in three natural gingiva-inspired shades. Final color outcome may vary depending on printing and post-processing parameters.

Designed for use in vat photopolymerization systems (SLA, DLP and LCD) within controlled professional laboratory environments. Final suitability, validation and regulatory compliance of printed parts must be assessed by the user according to the specific device design, workflow validation and applicable regulatory requirements.

• Flexible denture-base-type dental components

• Tensile strength: <40 MPa (ISO 527-1 / ISO 527-2)
• Flexural strength: <40 MPa (ISO 178 / ISO 20795-1)
• Young’s modulus: 750–1250 MPa (ISO 527-1 / ISO 527-2)
• Elongation at break: <30% (ISO 527-1 / ISO 527-2)
• Impact resistance (Notched Izod): <70 J/m (ISO 180)
• Stress relaxation: <10% after 1 week under controlled load (internal method)
• Shore hardness: D60–70 (ISO 868)

• Density: 0.90–1.20 g/cm³, depending on formulation and, where applicable, selected version (ISO 1675)
• Water sorption (ULWA): ≤ 32 µg/mm³ (ISO 20795-1)
• Water solubility: ≤ 1.6 µg/mm³ (ISO 20795-1)
• Residual monomer content: reduced residual monomer content when properly cured and post-processed (ISO 20795-1)
• Printing shrinkage: no measurable dimensional shrinkage after calibration under validated processing conditions
• Resolution capability: up to 20 microns
• Viscosity of HV version: <8000 mPas at 23°C ± 2°C (ISO 3219)

• Controlled flexibility for denture-base-type components
• Elastic recovery behavior supported by shape-memory architecture
• Available in rigid and flexible versions depending on thickness and workflow requirements
• Mechanical behavior comparable to high-performance thermoplastic reference materials under controlled testing conditions
• Available in three natural gingiva-inspired shades

• Designed for printing at 20–30°C
• LV and HV viscosity versions available depending on printer configuration
• Printable on most commercial and professional SLA, DLP and LCD 3D printers, including low room temperature environments
• Increased durability of the resin tank

• Organo-tin free formulation

• Biocompatibility-related evaluations may be conducted according to relevant ISO 10993 methodologies depending on formulation version and validated processing protocol
• Manufacturing aligned with ISO 13485 quality management systems
• Assessment and certification of any final medical device remain the responsibility of the legal manufacturer

Material properties are measured on printed and post-processed specimens and may vary depending on printer type, processing parameters, build orientation, post-curing conditions and workflow validation. Reported values are indicative and provided for reference only.

This material is supplied as a professional manufacturing material for laboratory workflows. It is not marketed as a finished medical device. The regulatory classification and compliance of any final dental device manufactured using this material remain the sole responsibility of the legal manufacturer in accordance with applicable regulations, including Regulation (EU) 2017/745.

This technical datasheet should be used together with the relevant processing, calibration, safety and workflow documentation available in the 3Dresyns® Resources section.

Access the 3Dresyns® Technical Resources (IFU, calibration, CRT, post-processing and troubleshooting)