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System Overview
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![Surgical Devices]( "Surgical Devices")
Surgical Devices
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![Straight & Contra-angle Handpieces]( "Straight & Contra-angle Handpieces")
Straight & Contra-angle Handpieces
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![Piezomed Instruments]( "Piezomed Instruments")
Piezomed Instruments
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![Implant stability measurement]( "Implant stability measurement")
Implant stability measurement
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![Prosthodontic Screwdriver]( "Prosthodontic Screwdriver")
Prosthodontic Screwdriver
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![Saw Handpieces]( "Saw Handpieces")
Saw Handpieces
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![Accessories]( "Accessories")
Accessories
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![System Overview]( "System Overview")
System Overview
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Alegra Straight and
Contra-angle Handpieces without lightOuter diameter of the sheath: 20 mm
Small head and ergonomic design
The Alegra straight or contra-angle handpiece
is comfortable in the hand. Thanks to the
excellent ergonomics, the straight and contra-angle handpieces from W&H prevent excessive strain on your hands during preparation. The small contra-angle head allows optimal view
of the treatment site.Your advantages at a glance
- Robust and durable
- Ergonomic design
- Simple bur changing with the push-button chucking system
- Thermo washer disinfectable and sterilizable
- External coolant supply (spray clip, coolant hose, nozzle cleaner) available as accessories
WE-56
Dental contra-angle handpiece with
push-button chucking system,
for contra-angle burs with Ø 2.35 mm (ISO 1797-1)
Drive speed: 40,000 min-1
Motor connection according to standard: ISO 3964
Outer diameter of the sheath: 20 mmWE-56
REF 30116000Contra-angle handpiece 1:1
Head size: Ø 10.1 mm
Head height (with 19 mm bur): 20.8 mm
WE-57
Dental contra-angle handpiece with
push-button chucking system,
for FG burs with Ø 1.6 mm (ISO 1797-1)
Drive speed: 40,000 min-1
Motor connection according to standard: ISO 3964
Outer diameter of the sheath: 20 mmWE-57
REF 30117000Contra-angle handpiece 1:1
Head size: Ø 10.1 mm
Head height (with 19 mm bur): 22.7 mm
WE-66
Dental contra-angle handpiece with
push-button chucking system,
for contra-angle burs with Ø 2.35 mm (ISO 1797-1)
Drive speed: 40,000 min-1
Motor connection according to standard: ISO 3964
Outer diameter of the sheath: 20 mmWE-66
REF 30118000Contra-angle handpiece 4:1
Head size: Ø 10.1 mm
Head height (with 19 mm bur): 20.8 mm
HE-43
Dental straight handpiece with
twist tension chucking system, for handpiece and contra-angle burs with Ø 2.35 mm (ISO 1797-1)
Drive speed: 40,000 min-1
Motor connection according to standard: ISO 3964
Outer diameter of the sheath: 20 mmHE-43
REF 30119000Straight handpiece 1:1
An external coolant supply (spray clip, coolant hose, nozzle cleaner) for Alegra straight and contra-angle handpieces without light is available as accessories.
Alegra Contra-angle Handpieces with LED+ light
Outer diameter of the sheath: 20 mm
More colour. More contrast. LED+
LED+ contra-angle handpieces from W&H offer
an incomparably high colour rendering index (CRI). The self-generated LED light is of daylight quality, renders colours naturally and is many times brighter than a conventional halogen light.Your advantages at a glance
- Independent sterilizable LED light
- High colour rendering index of more than 90
- Robust design
- Thermo washer disinfectable and sterilizable
WE-99 LED G
Dental contra-angle handpiece with
push-button chucking system,
for FG burs with Ø 1.6 mm (ISO 1797-1)
Drive speed: 40,000 min-1
Motor connection according to standard: ISO 3964
Outer diameter of the sheath: 20 mmWE-99 LED G
REF 10259900Contra-angle handpiece 1:4.5
LED+ light
Triple spray
Head size: Ø 10.1 mm
Head height (with 19 mm bur): 22.3 mm
WE-56 LED G
Dental contra-angle handpiece with
push-button chucking system,
for contra-angle burs with Ø 2.35 mm (ISO 1797-1)
Drive speed: 40,000 min-1
Motor connection according to standard: ISO 3964
Outer diameter of the sheath: 20 mmWE-56 LED G
REF 10255600Contra-angle handpiece 1:1
LED+ light
Single spray
Head size: Ø 10.1 mm
Head height (with 19 mm bur): 20.7 mm
WE-66 LED G
Dental contra-angle handpiece with
push-button chucking system,
for contra-angle burs with Ø 2.35 mm (ISO 1797-1)
Drive speed: 40,000 min-1
Motor connection according to standard: ISO 3964
Outer diameter of the sheath: 20 mmWE-66 LED G
REF 10256600Contra-angle handpiece 4:1
LED+ light
Single spray
Head size: Ø 10.1 mm
Head height (with 19 mm bur): 20.7 mm
Alegra Straight and
Contra-angle Handpieces without lightOuter diameter of the sheath: 18 mm
Light construction and slender design
The ultralight design of the Alegra straight and contra-angle handpieces reduces fatigue. With the micro air motor the Alegra straight or contra-angle handpiece is perfectly balanced.
W&H offers the optimal range of air motors for your Alegra straight and contra-angle handpieces.
Your advantages at a glance
- Robust and durable
- Ergonomic design
- Simple bur changing with the push-button chucking system
- Component replacement by the user
- Sterilizable
- External coolant supply (spray clip, coolant hose, nozzle cleaner) available as accessories
WE-56 T
Dental contra-angle handpiece with
push-button chucking system,
for contra-angle burs with Ø 2.35 mm (ISO 1797-1)
Drive speed: 40,000 min-1
Motor connection according to standard: ISO 3964
Outer diameter of the sheath: 18 mmWE-56 T
REF 30120000Contra-angle handpiece 1:1
Head size: Ø 10.1 mm
Head height (with 19 mm bur): 20.8 mm
WE-57 T
Dental contra-angle handpiece with
push-button chucking system,
for FG burs with Ø 1.6 mm (ISO 1797-1)
Drive speed: 40,000 min-1
Motor connection according to standard: ISO 3964
Outer diameter of the sheath: 18 mmWE-57 T
REF 30121000Contra-angle handpiece 1:1
Head size: Ø 10.1 mm
Head height (with 19 mm bur): 22.7 mm
WE-66 T
Dental contra-angle handpiece with
push-button chucking system,
for contra-angle burs with Ø 2.35 mm (ISO 1797-1)
Drive speed: 40,000 min-1
Motor connection according to standard: ISO 3964
Outer diameter of the sheath: 18 mmWE-66 T
REF 30122000Contra-angle handpiece 4:1
Head size: Ø 10.1 mm
Head height (with 19 mm bur): 20.8 mm
HE-43 T
Dental straight handpiece with
twist tension chucking system, for handpiece and contra-angle burs with Ø 2.35 mm (ISO 1797-1)
Drive speed: 40,000 min-1
Motor connection according to standard: ISO 3964
Outer diameter of the sheath: 18 mmHE-43 T
REF 30123000Straight handpiece 1:1
An external coolant supply (spray clip, coolant hose, nozzle cleaner) for Alegra straight and contra-angle handpieces without light is available as accessories.
FAQ
- What is the difference between the Alegra contra-angle handpieces WE-56 T and WE-56?
- Is more heat generated by the light source when LED technology is employed?
- Can the HE-43 E handpiece be employed in surgical applications?
- What are the advantages of the new Alegra instruments?
- For what reason may the LED fail to light up?
- Can my W&H handpiece be processed via sterilizer?
- Why does the WE-99 contra-angle handpiece have a transmission ratio of 1:4.5?
- Can LED instruments with generator be sterilized?
- Can the new Alegra instruments be connected to motors with a light supply?
Instructions for use
Find all languages of the Update Hygiene and Maintenance (EN ISO 17664:2017) in the Download Centre.
Videos & Tutorials
Downloads
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Alegra Straight and Contra-angle Handpieces without light
Outer diameter of the sheath: 20 mmWE-56 WE-57 WE-66 HE-43 Transmission ratio: 1:1 1:1 4:1 1:1 Motor connection according to standard: ISO 3964 Maximum drive speed: 40,000 min-1 Head size: Ø 10.1 mm Ø 10.1 mm Ø 10.1 mm – Head height (with 19 mm bur): 20.8 mm 22.7 mm 20.8 mm – Rotary instruments according to ISO 1797-1: Contra-angle burs FG burs Contra-angle burs Handpiece and contra-angle burs Instrument shaft diameter: 2.35 mm 1.6 mm 2.35 mm 2.35 mm Maximum permitted bur length: 34* mm 25* mm 34* mm Handpiece burs: 50* mm
Contra-angle burs: 34* mmSpray: single, external Warranty: 12 months
* When using longer rotary instruments the user must ensure by correct selection of the operating conditions,
that there is no danger to the user, patient or third parties.
Alegra Contra-angle Handpieces with LED+ light
Outer diameter of the sheath: 20 mmWE-56 LED G WE-66 LED G WE-99 LED G Transmission ratio: 1:1 4:1 1:4.5 Colour coding: blue green red Colour rendering index (CRI): > 90 Colour temperature (Kelvin): 5,500 Luminous flux (Lumen): 5.0 Brightness (Lux): 25,000 Motor connection according to standard: ISO 3964 Maximum drive speed: 40,000 min-1 Head size: Ø 10.1 mm Head height (with 19 mm bur): 20.7 mm 20.7 mm 22.3 mm Rotary instruments according to ISO 1797-1: Contra-angle burs Contra-angle burs FG burs Instrument shaft diameter: 2.35 mm 2.35 mm 1.6 mm Maximum permitted bur length: 34* mm 34* mm 25* mm Spray: single single triple Warranty: 12 months
* When using longer rotary instruments the user must ensure by correct selection of the operating conditions,
that there is no danger to the user, patient or third parties.
Alegra Straight and Contra-angle Handpieces without light
Outer diameter of the sheath: 18 mmWE-56 T WE-57 T WE-66 T HE-43 T Transmission ratio: 1:1 1:1 4:1 1:1 Motor connection according to standard: ISO 3964 Maximum drive speed: 40,000 min-1 Head size: Ø 10.1 mm Ø 10.1 mm Ø 10.1 mm – Head height (with 19 mm bur): 20.8 mm 22.7 mm 20.8 mm – Rotary instruments according to ISO 1797-1: Contra-angle burs FG burs Contra-angle burs Handpiece and contra-angle burs Instrument shaft diameter: 2.35 mm 1.6 mm 2.35 mm 2.35 mm Maximum permitted bur length: 34* mm 25* mm 34* mm Handpiece burs: 50* mm
Contra-angle burs: 34* mmSpray: single, external Warranty: 12 months
* When using longer rotary instruments the user must ensure by correct selection of the operating conditions,
that there is no danger to the user, patient or third parties.
Reports and studies (Restoration & Prosthetics)
Accessories & Consumables
Related products
and contra-angle handpieces REF 06994000 External coolant supply
for contra-angle handpieces REF 07550200 External coolant supply
for straight handpieces REF 00636901 Long nozzle cleaner
for handpieces
