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Dental incision

Proper method of making incision using No. 15 scalpel blade. Note the scalpel motion is made by moving the hand at the wrist and not by moving the entire forearm. (B) When creating a tissue layer that is to be sutured closed, the blade should be kept perpendicular to the tissue surface to create squared wound edges. Holding the blade at any angle other than 90 degrees to the tissue surface creates an oblique cut that is difficult to close properly and compromises blood supply to the wound edge. (Modif ied from Clark HB Jr. Practical Oral Surgery. 3rd ed. Philadelphia: Lea & Febiger; 1965