(1) Kirkland knife 15/16. This knife (see figure 4-8, top portion) is a single-
ended or double-ended knife used for initial gingivectomy incision, tuberosity and
retromolar pad reduction, and free gingival grafts preparation.
(2) Orban knife 1/2. This knife (see figure 4-8, bottom portion) is a single-
ended or double-ended knife used for interproximal tissue incisions, interproximal tissue
removal, and free gingival grafts.
Figure 4-8. Kirkland and Orban knives.
(3) Scalpel. Blades 12, 12B, and 15 (see figure 4-9) are used in every
periodontal surgical procedure from free gingival grafts to the inverse bevel incision on a
full thickness apically repositioned flap. The blades 12 and 15 are single-edged. The
blade 12B is a double-edged blade used to cut in a push and pull motion. The blades are
disposable and available in presterilized packages.
Figure 4-9. Blade handle and blades.