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Why CAS (Crestal Approach Sinus) KIT?



Safe inverse-conical drill tip enables smooth approach to sinus membrane without membrane damage



Hydraulic lifter separates the membrane safely and wide using water pressure



Conical shape bone carrier makes bone grafting easy

Safe sinus floor construction: Osstem's CAS-KIT optimizes the crestal access

  • Osstem’s CAS-KIT (Crestal Approach Sinus Kit) is implant system-independent.
  • Drills with an atraumatic design prevent membrane perforation in flat and curved sinus floors.
  • Internally curved cutting edges form a conical bone cap, collect bone chips and automatically lift the membrane.
  • Unique drill stop system prevents drilling too deep into the maxillary sinus.
  • After implant site preparation, Schneider's membrane is lifted safely, gently and easily using a hydraulic lifter.

Prevents Perforation of Sinus Membrane

  • Prevents perforation of sinus membrane and gets rid of patient pain by using round shaped drill without malletting
  • Inverse-conical drill tip is designed to safely form a conical bone line at the sinus floor, elevating the sinus membrane. It features four blades that shift bone particles toward the drill tip for safe sinus elevation.


Safe sinus elevation

  • The hydraulic lifter gently relaxes the membrane in a wider range thanks to the pressure of the physiological solution. The enlarged sinus has excellent blood supply and osteogenesis capacity.
  • Drilling prepares the sinus membrane for the hydraulic lift system, which applies hydraulic pressure to the cavity and separates the membrane from the sinus floor.
  • >Drilling prepares the cavity membrane for a hydraulic lift system that applies hydraulic pressure to the cavity and separates the membrane from the bottom of the cavity.


Applicable in Various Cases

  • Maximizing drilling power (with distinguishing drill design and excellent manufacturing technology) which skips intermediate drilling and provides smooth and fast drilling result

  • The CAS dental drill system comes with a stopper system that allows for precise osteotomy depth control, preventing over drilling with stoppers of 11 different lengths. These stoppers can help prevent any damage to the soft tissue.

Components of CAS KIT


  1. Hydraulic Membrane Lifter Tube

  1. Bone Carrier

  1. Bone Carrier Head

  1. Bone Condenser


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