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CROWN Bracket

Sometimes you just have to let the picture do the talking!

unaltered microscopic photos x 200
What does this mean to you the orthodontist?

  • Ultra precise slot delivers a pure and accurate transmission of the prescription to finish your cases without any further detailing.

  • 100% pure milled stainless steel for a strong bracket wing that can withstand the rigors of orthodontic treatment.

  • Sandblasted mechanical undercuts to reduce those pesky lost bracket appointments.

  • Smooth flat finish to reduce friction for fast and efficient tooth movement and reduce the accumulation of  plaque.

3D CAD_CAM CNC Milling by Adenta

  • Highest precision possible with crisp straight edges
  • Smooth flawless finish
  • Strong durable
  • Eliminates human error
  • Enables the use of pure stainless steel

3D CAD-CAM: Computer Aided Design and Computer Aided Manufacturing:
CAD is the use of computer technology for design and design documentation. CAD/CAM applications are used to both design a product and program manufacturing processes, specifically, CNC machining. CAM software uses the models and assemblies created in CAD software to generate tool paths that drive the machines that turn the designs into physical parts.

CNC: Computer Numerical Control: Computers control the machine tools:
Everything that an operator would be required to do with conventional machine tools is programmable with CNC machines. This precise computer control of positioning, velocity, feed rate, location, and speed produces highly precise results, reproducible as human fatigue and error are removed.
See full line of CNC milled brackets

The disadvantages of MIM Metal Injection Molding

The process steps involve combining metal powders with wax and plastic binders to produce the ‘feedstock’ mix that is injected as a liquid into a hollow mold using plastic injection molding machines. 

The ‘green part’ is cooled and de-molded in the plastic molding machine. Next, a portion of the binder material is removed using solvent, thermal furnaces, catalytic process, or a combination of methods. The resulting, fragile and porous (2-4% “air”) part, in a condition called “brown” stage, requires the metal to be condensed in a furnace process called Sintering. MIM parts are sintered at temperatures nearly high enough to melt the entire metal part outright (up to 1450 degrees Celsius), at which the metal particle surfaces bind together to result in a final, 96-98% solid density.

  • Due to the lack of control during the shrinking process, slot dimensions lack precision as tolerances fall within +/-20%
  • The stability of the bracket is compromised due the the remaining residuals of wax and polymers in the finished bracket 
  • Molded brackets are rough and uneven increasing the accumulation of plaque and the development of micro corrosion
  • Base undercuts are not possible with a molded brackets increasing bracket failures