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Inner Channel/External
Straight Handpiece
Product Overview
Core Features
Key Features
External Water Spray
The long shaft is the key to the straight head.
Its vibration is less than 0.02mm.
External water spray, Short motor, Reducing size and weight
More comfortable to use
Model: CX235-2
Order code: S-2
Straight Head Handpiece
Gear Ratio & Speed
- Delivers stable torque and precise control.
- Maximum rotational speed up to 40,000 rpm
Surgical Operation 20°
Model: CX235-2S
Order code: S-2S
Internal Water Spray
Unique anti-suction and dust-proof structure.
Internal water delivery for improved cooling efficiency.
Cleaner and more ergonomic clinical setup.
Model: CX235-2B
Order code: S-2B
Internal Water Spray
Higher brightness, more natural, and long service life.
Enhanced visibility around the treatment site.
Suitable for surgical and restorative procedures requiring continuous irrigation.
Model: CX235-2C
Order code: S-2C
External Water Spray
Simple and reliable cooling system.
Easy cleaning and maintenance.
Model: CX235-2F
Order code: S-2F
External Water Spray
Visible water delivery during surgery.
Cost-effective solution for surgical applications.
Model: CX235-2A
Order code: S-2A
Internal and External Water Spray
Built-in sterile pipeline for external waterways;
Dual use of internal and external water;
Model: CX235-2B
Order code: S-2BS
Internal and External Water Spray
Higher brightness, more natural, and long service life.
Optimize rust prevention design to reduce water ingress risk.
Model: CX235-2C
Order code: S-2CS
Internal vs. External Irrigation Application
Inner Channel is Effective for general intraoral procedures and certain surgical applications.
Often used in surgical procedures, such as implantology and bone cutting, where robust, direct cooling is crucial.
APPLICATION SCENARIOS
Clinical Applications
Hospital Environments
Dental Offices
Clinics
Compatibility
Compatible Accessories
-
- 1:1 Direct Drive Transmission
- Universal E-Type Compatibility
- Surgical-Grade Construction
- Ø2.35 mm Bur Compatibility
- Autoclavable Design
PRODUCT COMPARISON
Comparison
| Attribute | Internal water channel | External water channel |
|---|---|---|
|
Drive Ratio |
1:1 Direct Drive |
1:1 Direct Drive |
|
Max Speed |
40,000 rpm |
40,000 rpm |
|
Bur Diameter |
Ø2.35 mm |
Ø2.35 mm |
|
Cooling System |
Internal Water Spray |
External Water Spray |
|
Motor Connection |
E-Type |
E-Type |
|
Sterilization |
Autoclavable |
Autoclavable |
|
Clinical Use |
Surgery / Implantology / Polishing |
Surgery / Implantology / Bone Procedures |
FAQs
Common causes include: water residue on the motor connecting shaft or inside the low-speed phone, or a missing or damaged motor seal.
Troubleshooting method: Use an air gun to blow away any water residue on the motor connecting shaft and inside the low-speed phone, and check the condition of the motor seal.
The warranty is usually 12 months; for details, please consult your local dealer.
Explore our Dental Handpiece Series — contact our team for technical specs, or watch clinical demos on YouTube and follow us on Facebook for updates.
