|
NSK/Star |
Kavo America |
Sirona |
Midwest |
W&H/Adec |
Bien Air USA |
Bien Air USA |
| Motor Differences |
|
Electrotorque or + |
|
Estylus |
EA 40 LT |
Optima Plus (Ext / Int) |
Optima MX |
| Motor Speed (measured in RPM's) |
1000-34000 |
2000-40000 |
2000-40000 |
1500-40000 |
2000 - 40000 |
20-40000 |
100-40000 |
| Swivel
Tubing |
no |
yes |
no |
yes |
no |
yes |
Yes |
| Number
of windings (affects torque) |
unknown |
7 or N/A |
unknown |
11 |
N/A |
11 |
N/A |
| Brush
/ brushless |
both |
both |
brush |
brush |
brushless |
brush |
brushless |
| Autoclavable |
No/Yes |
No |
No |
No |
Yes |
No |
Yes |
| Maximum
motor torque |
not verified |
2.7Ncm |
2.9Ncm |
2.9Ncm |
3.0Ncm |
2.9Ncm |
6.17Ncm |
| Wattage |
37 |
|
68 |
68 |
62 |
68 |
100 |
| Outer
casting material |
titanium |
nickle/silver alloy |
nickle/silver alloy |
nickle/silver alloy |
nickle/silver alloy |
nickle/silver alloy |
nickle/silver alloy |
| Constant
peak torque |
no |
no |
no |
no |
yes |
yes |
yes |
| Amperage
capability of transformer(affects torque) |
1.6A |
2.5A |
5.5A |
5A |
2A |
5A |
5.4A |
| Motor
warranties |
3 year |
1 year |
1 year (extendable) |
1 year |
1 year |
2 year (effective 1/1/03) |
3 year |
| Oil
seal on motor |
no |
no |
no |
yes |
N/A |
yes |
N/A |
|
|
|
|
|
|
|
|
| System Differences |
|
|
|
|
|
|
|
| Installation capabilities |
Internal/External |
External |
External |
External |
Internal/External |
Internal/External |
External |
| Memory
Settings (All Features) |
none |
none |
none |
none |
none |
one / four |
five |
| Speed
Only Memory Settings |
two |
two |
two |
two |
three |
two / eight |
five |
| Display
Readout (Motor or Attachment) |
Motor |
Motor |
Motor |
Attachment |
Motor |
Motor |
Attachment |
| Program
Settings (e.g., 1:5, 1:1) |
three |
no |
no |
three |
no |
no |
six |
| Unit
calibrated to existing air pressure |
no |
yes |
no |
|
yes |
yes (manually) |
no |
| Auto
Reverse / Torque Control for endo |
no |
no |
no |
yes |
no |
yes |
yes |
| Torque
Settings - Number |
zero |
zero |
no |
four |
zero |
nine |
infinite |
| Forward/Reverse
switches |
yes |
yes |
yes |
yes |
yes |
yes |
yes |
| Capability
of adjusting speed with foot pedal |
yes |
yes |
yes |
yes |
yes |
yes |
yes |
| Can
use air driven handpieces on electric tubing |
no |
no |
no |
no |
no |
yes |
yes |
| RPM
display capabilities |
digital - 2 digit |
digital - 2 digit |
digital - 2 digit |
digital - 6 digit |
digital |
digital - 5 digit |
digital - 6 digit |
|
|
|
|
|
|
|
|
| Angle Differences |
|
|
|
|
|
|
|
| Highspeed speed ranges (measured in RPM's) |
5000-200000 |
10000-200000 |
10000-200000 |
7500-200000 |
20000-200000 |
300-200000 |
500-200000 |
| Optics |
1 Port Cellular |
1 Port Cellular |
Fiber Optic Bundles |
Fusion Optics |
1 Port Cellular |
Dual Port Glass Rods |
Dual Port Glass Rods |
| Bearing
material |
ceramic |
stainless steal |
stainless steal |
stainless steal |
stainless steal |
stainless steal |
stainless steal |
| Anti
slip gripping |
no |
no |
no |
yes |
no |
yes |
yes |
| Gearing
system |
2 gears |
3 gears |
2 gears |
2 gears |
2 gears |
2 gears |
2 gears |
| Warranty
on angles |
one year |
one year |
1 year (extendable) |
one year |
one year |
one year |
one year |
| Removable
heads with slowspeeds |
no |
yes |
no |
no |
no |
both |
both |
| Reduction
handpieces required for endo |
yes |
yes |
yes |
yes |
yes |
no |
no |
