The W&H WS-92 L Surgical Contra-Angle Handpiece 1:2.7 (30043000) is a high-speed surgical contra-angle handpiece featuring a 1:2.7 speed-increasing gear ratio and Mini LED+ illumination, engineered for oral surgery, wisdom tooth extraction, and implantology.
Key Features
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1:2.7 Speed-Increasing Gear Ratio: Translates motor speed up to 135,000 RPM, providing maximum cutting power and speed for rapid bone removal and tooth sectioning.
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Integrated Mini LED+ Illumination: Delivers bright, daylight-quality light directly to the surgical site with exceptional color rendering, independent of motor light source.
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Triple Spray External/Internal Cooling: Features external and internal spray channels (ISO connection for irrigation tubing) to ensure adequate cooling of bone tissue and bur during high-speed cutting.
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Durable Stainless Steel Housing: Scratch-resistant coating and robust stainless-steel body withstand aggressive surgical force and repeated autoclave cycles.
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Dismantlatable Design: Can be easily dismantled without tools for thorough internal cleaning, flushing, and thermal disinfection according to strict hygiene protocols.
Clinical Indications
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Oral & Maxillofacial Surgery: Impacted third molar (wisdom tooth) extractions, tooth sectioning, and bone resection.
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Implantology & Apicoectomy: Apical bone access, root-end preparation, and surgical bone profiling.
Specifications
| Attribute | Detail |
| Manufacturer / Brand | W&H Dentalwerk / Surgical Series |
| Product Code / REF | 30043000 / WS-92 L |
| Model | WS-92 L |
| Gear Ratio | 1:2.7 Speed Increasing |
| Lighting System | Mini LED+ |
| Cooling System | External & Internal Spray (Triple Spray) |
| Maximum Operating Speed | Up to 135,000 RPM |
| Bur Coupling | Push-Button Chuck for Surgical Burs ($\varnothing$ 2.35 mm) |
| Regulatory & Standards | TGA Registered / Conforms to AS/NZS 4187 & 4815 |
| Sterilization & Maintenance | Thermo washer disinfectable and autoclavable up to 135°C |
| Packaging Unit | Single Handpiece Unit |
