ISO 10993 Biocompatible 3D Resin for Dental Surgical Guides
Surgical Guide Resin (#3165) is an ISO 10993-certified biocompatible 3D printing resin engineered for high-precision dental surgical guides. Combining <0.5% water absorption with 78D hardness, it prevents guide warping during chemical sterilization and secures drill sleeves against displacement under heavy drilling torque. This zero-defect accuracy eliminates costly surgical remakes while fast, tool-free support removal significantly cuts lab labor costs.
Engineered for Industrial Repeatability
Overcoming the limitations of traditional resin 3D printing with precision optical hardware and robust closed-loop motion systems.
Safe for surgical guide
The surgical guide resin has undergone rigorous testing and fully meets the dental requirements for part quality, precision and performance.
Precise fit to the teeth
Combine strength and toughness. Strength can withstand force without deforming, while toughness can withstand force without fracturing.
Precise fit to the teeth
The guide plate printed with 3165 resin has accurate hole position, high hardness and toughness; it can easily install the guide ring and withstand the mechanical impact of surgery.
Low water absorption
Water absorption rate is less than 0.5%. For post-sterilization, the surgical guide is soaked in water containing iodophor for 30 minutes and will not absorb water and become soft or damaged.
Technical Performance Matrix
Verified parameters and testing protocols for jewelry casting validation.
| Content | Data value | Testing method |
|---|---|---|
| Viscosity | 330-350cps(25℃) | ASTM D1084-1997 |
| Density | 1.15 | ASM D1875-69(1980) |
| Shrinkage | <0.5% | Capillary method |
| Hardness | 78D | ASTM D2240-05(2010) |
| Water absorption | 0.50% | ASTM D570 |
| Bending strength | 65MPa | ASTM D1781 |
| Transmittance | >80% | ASTM D747 |
| Biocompatibility | TEST PASS | ISO10993-1/ISO10993-10 |
Engineering Notes & Technical Interpretation
In-depth physical analysis of how Resin #3165 ensures zero-distortion sterilization and precise implant guide placement.
Why does water absorption below 0.5% matter during pre-operative disinfection?
Many photopolymer resins absorb moisture rapidly when submerged in liquid chemical disinfectants like iodophor solutions. Water uptake causes polymer swelling, leading to micro-dimensional expansion and matrix softening. A guide that loses rigidity during soaking can shift slightly during surgery, altering drill trajectories. Resin #3165 limits absorption to <0.5% over a 30-minute soak, preserving its mechanical modulus and dimensional dimensions from lab to operating room.
How does the balance of 78D hardness and 65 MPa bending strength protect surgical outcomes?
Hardness alone makes a resin brittle, while excessive flexibility causes guide arm deflection under drill pressure. A 78D hardness ensures metal sleeves stay firmly seated without wearing down resin sidewalls, while a 65 MPa bending strength provides the structural toughness needed to absorb dynamic mechanical vibrations without snapping under localized pressure.
Why is >80% light transmittance critical for clinical safety?
Translucent or opaque resins obstruct the clinician's view of the underlying soft tissue and tooth margins. Achieving >80% light transmittance allows the surgeon to visually confirm zero gap spacing between the guide and the mucosal/occlusal seating surface. It also allows direct visual verification of cooling irrigation fluids reaching the drill site to prevent bone overheating.
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