Bone Management Systems
KOMET USA’s MaxilloPrep System is designed to assist with the careful removal of jaw bone, bone condensation, and spreading.
Today, bone grafting and expansion have become a common practice before any planned reconstruction using dental implants. Not only are the two practices common, but they are also an essential part to this specific surgical treatment.
KOMET USA’s MaxilloPrep System is designed with two very different elements. The first element contains three special rotary instruments for the effective removal of bone (Figure 1). The second element is the MaxilloPrep Condense, a system for bone condensation and spreading by means of Condense screws made of pure titanium (Figure 2).
During any implant procedure, dentists must compensate for bone atrophy (bone augmentation). Also, approximately 45% of patients need a sinus-lift (bone splitting) to get a larger and more appropriate implant bed. Developed in conjunction with Dr. Stefan Neumeyer of Eschlkam, Germany, the MaxilloPrep stainless-steel instruments (trepan and centering burs, and bone chip extractors) are essential instruments for any successful implant surgery.
Trepan burs (TRT.205.045/055/065) are designed for the removal of bone blocks. With its state-of-the art blade configuration, the trepan bur’s cutting teeth are arranged in pairs, allowing a non-traumatic treatment for optimal results. Large perforations within its working parts allow for an unobstructed view of the site and facilitate the removal of bone cylinders. Depth marks around the periphery allow exact determination of preparation depth.
Congruent centering burs (TRC.205. 045/055/065) precede the trepan burs and allow for exact positioning and controlled guidance. Its triangular tip allows optimal centering and easy bone penetration. Because of its staggered (inclined) front toothing, centering burs provide a non-traumatic treatment and create a circular guide groove. The bore holes in its working part allow an unobstructed view onto the operative site.
Bone Chip Extractors
The bone chip extrator (9126.204.042/ 060) is designed with a self-centering tip ensuring correct positioning at the operative site. This rotary extractor allows precise, yet gentle removal of bone chips which can be collected and evacuated using any standard bone filter.
Bone condensing treatments are used because of a spongy bone structure and insufficient contact between implant and bone. Also developed in conjunction with Dr. Neumeyer, a precise multi-start thread screw allows easy penetration into the first 5 mm of the bone. The shape of the screw is initially cylindrical, then turning into a tapered shape with thread flanks (up to a total length of 15 mm). These thread flanks exert effective condensing pressure on the bone. The penetration depth can be visually controlled at all times, thanks to the depth marks placed in intervals of 2 mm starting at 8 mm from the tip of the screws. These depth marks are easily recognizable because the lasered color of the surface alternates between light and dark every 2 mm. The round end of the Condense screws helps to protect from inadvertent perforations.
Condense screws are inserted into a small, previously prepared pilot hole drill (210L16) made of stainless-steel using a hand wrench. The screws are then screwed in and out in ascending order until the required target size is reached, ensuring optimum primary stability of the subsequently inserted implant. The MaxilloPrep screws can also be used for bone spreading, allowing for bone loss caused by perforation drilling into the implant site to be reduced.
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