Lew MDI O-Ball - Surgical Protocol

Dental Implants Made with the Highest Quality Standards highest quality dental implants available

1) Entry points & use of the Marking Drill

Entry points for each implant are marked on the patient’s tissue with a Surgical Marker (see fig. 1).

If utilizing a flapless technique, use the 2.0mm Tissue Punch to remove gingiva to the cortical bone (see fig. 2).

The Marking Drill is delicately placed over the entry point and lightly pumped up and down until the cortical plate is penetrated (see fig. 3).

2) Recommended Drilling Sequence for 2.0mm
and 2.5mm implants

drilling sequences

As a general rule the depth should not exceed one-third to one-half the threaded length of the chosen MDI. The desired depth is the minimal amount that allows one to begin the auto-advancement of the implant into bone.

3) Use of the Multi-Purpose Driver for implant insertion

Remove the vial containing the Lew MDI from the sealed pouch.

The vial cap and implant can then be removed, transported to the prepared entry site and inserted with rotational clockwise movement while applying slight pressure.

Remove the cap once resistance and advancement is met.

Then start with the Multi-Purpose Driver as a finger driver and rotate clockwise until noticeable bony resistance is encountered (see fig. 4) .

surgical figure 4

4) Use the Continuous Feedback Torque Wrench and Park Dental Ratchet to finalize the insertion process.

Grasp the Continuous Feedback Torque Wrench and place over the top of the Multi-Purpose Driver. Position the operator’s fingers supportively under the patient’s jaw, the thumb over the top of the Continuous Feedback Torque Wrench applying downward force upon the axis of the implant. Using a ¼ turn rotation with a 2 to 3 second pause will reduce the frictional heat that may be detrimental to the health of the bone. This pause allows the bone to expand during advancement of the implant. Verify that the implant at the final depth achieves 35 Ncm of resistance or greater. When making the final seating turns of placement, use caution when the torque of the MDI exceeds 45 Ncm (see Fig. 5).

The ideal placement allows the abutment head to protrude from the gingival soft tissue at its full length. The smooth collar should be embedded in the gingiva with no threaded portions visible (see fig. 6).

surgical figure 5surgical figure 6

Continuous Feedback Torque Wrench

MDI Torque Recommendations:

  • Records of clinical trials, various university studies and clinician feedback when using mini dental implants 1.8mm – 3.0mm in diameter have demonstrated that the optimal resistance for final seating of a MDI implant is 35 Ncm.
  • Any resistance beyond 45 Ncm could result in a fracture of the implant or over compression of surrounding bone.

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10/01/2011 - NEW YORK, NY Park Dental Research Corporation acquired by Former IMTEC Owner Ronald A. Bulard from Jack Wimmer.

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