Tapered Osteotome, Concave Tip, Angulated, 4.2mm is the angulated counterpart to the straight concave-tip osteotome, built specifically for posterior maxilla sites where sinus lift procedures are most often performed.
The cupped tip holds and carries bone graft particulate ahead of it as it is advanced, using that material to gently fracture the sinus floor and elevate the Schneiderian membrane during an indirect (closed) sinus lift, without perforating it. Because posterior maxilla molar and premolar sites are exactly where limited mouth opening and the opposing arch make a straight in-line instrument difficult to seat, the angulated shaft is frequently the more practical choice for this specific procedure than its straight counterpart.
At 4.2mm, this is the second-largest diameter in the tapered concave-tip range, used at the matching stage of a step-up sequence. Depth markings at 7, 10, 13, 15, and 18mm run along the shaft, carrying particular weight in this application given the proximity of the working tip to the sinus floor throughout the procedure, and the angulated shaft keeps that critical depth visible even when the handle sits well off to one side of the working field.
Periodontists and oral and maxillofacial surgeons rely on this atraumatic, non-perforating technique as an alternative to a lateral window sinus lift in cases with adequate residual bone height, using the angulated shaft specifically where posterior access is otherwise restricted. Manufactured from surgical-grade stainless steel, corrosion resistant, fully autoclavable.
Product Features
- 4.2mm concave tip, second-largest diameter in the tapered concave range
- Angulated, fixed handle offsets the tip for posterior maxilla access
- Cupped tip carries bone graft material ahead of it into the osteotomy
- Built for the final elevation stage of an indirect (closed) sinus lift
- Depth markings at 7, 10, 13, 15, and 18mm for direct visual depth confirmation near the sinus floor
- Surgical-grade stainless steel, corrosion resistant, fully autoclavable
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