Oral surgery osteotomes and chisels are typically used to cut bone. Common patterns include Bauer guarded osteotomes, Bone chisels with large, rounded handles that fit in the palm of the hand, bi-beveled chisels, and patterns such as Cottle, the T-handled Dautrey-Munro, Davis, Dunn-Dautrey spatulas, Epker, French, Killian, Obwegeser with phenolic handles, Rozner, and Tessier.