Bone Expansion & Osteotome Kits

Offset Concave Osteotome Set, 5 Pieces

Five manual offset concave osteotomes, one at each nominal diameter of 2.8, 3.3, 3.8, 4.3 and 4.8 mm. Every instrument in the set has an offset shaft and a concave working end.

Product code
DIS-IMP-OST-OFF5
MOQ
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About Offset Concave Osteotome Set, 5 Pieces

The Offset Concave Osteotome Set is an assortment of five manual osteotomes for dental implant work, including sinus-elevation instrumentation. All five instruments share the same design, an offset shaft and a concave working end, and each has a different nominal diameter: 2.8, 3.3, 3.8, 4.3 and 4.8 mm, one of each. They are hand instruments; nothing in the set is motor-driven.

What the set contains

  • Offset concave osteotome, 2.8 mm: 1
  • Offset concave osteotome, 3.3 mm: 1
  • Offset concave osteotome, 3.8 mm: 1
  • Offset concave osteotome, 4.3 mm: 1
  • Offset concave osteotome, 4.8 mm: 1

Those five instruments are the whole set. There are no straight osteotomes, and no mallet or cassette is included in this configuration.

Offset shaft and concave working end

The two terms describe different parts of the instrument. "Offset" refers to the shaft: its alignment changes between the handle and the working end. "Concave" refers to the tip: the working end has a recessed surface. Every instrument in this set has both features; only the diameter changes from one to the next.

Within the set, each instrument carries identifiers: colored handle ends, diameter markings and graduation marks along the shaft. Use the diameter to order or refer to an instrument, not the color.

Comparing this set with other osteotome kits

Osteotome kits with similar names can have quite different contents, so compare the instruments rather than the kit name. This set is all offset and all concave, and its largest nominal diameter is 4.8 mm. A kit sold as an angled concave set may include a straight instrument or finish at a different diameter.

Keep the dimensions apart when comparing, too. The nominal overall length of these instruments is 17 cm; that is the full instrument length, not the usable working length. The graduation marks on the shaft are separate from the diameter labels. Some catalogs give a taper range for a single osteotome as two diameters; that describes one instrument, not two.

If you are looking for screw-type ridge expanders rather than osteotomes, see our bone expander kits.

Requesting this set

Ask for SKU DIS-IMP-OST-OFF5 and tell us how many sets you need and where they are going. If you are matching instruments to a drawing or an exact tolerance, include those details with your enquiry.

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Offset Concave Osteotome Set, 5 Pieces Questions

Which osteotomes are included in the five-piece offset concave set?

The set contains five complete offset concave osteotomes, one each at nominal diameters of 2.8, 3.3, 3.8, 4.3 and 4.8 mm. The five diameters identify the components of the fixed assortment, not five selectable single-instrument variants.

What is the difference between offset and concave on an osteotome?

Offset describes the shaft's alignment relative to the handle, and concave describes the recessed working-end surface. All five instruments in this set share those two geometry attributes while their nominal diameters differ.

How does this offset osteotome format differ from an implant preparation drill?

The osteotomes have long solid shafts and concave working ends joined to manual handles, while implant preparation drills have rotary cutting profiles. Compare the offset manual working-end form with the drill profile you need when you identify the instrument group.

Is the 17 cm length the working length of the osteotomes?

No. The nominal 17 cm value is the overall instrument length, and working length is a different measurement from the handle-to-end total. Compare the nominal diameter, the shaft form and the working-length specification as separate attributes when you match an osteotome.

Do shaft marks and a knurled collar establish an adjustable depth stop?

No. Graduations provide a marking reference, while a validated stop is a separate documented mechanism, and some osteotome models explicitly specify locking rings or stops. Compare the actual mechanism instead of identifying it from knurling alone; diameter labels and shaft graduations also describe different attributes.

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