we report two cases of parapharyngeal space tumors that were removed with a mandibular lateral segment-osteotomy technique without median lower lip incision to avoid esthetic problems.

von Willebrand disease is a hereditary disease associated with a tendency to bleed and it is important to reduce the possibility of bleeding in a procedure. This case describes the use of a hemostatic factor, Factor VIII concentrate (Confact F®), during a dental procedure involving teeth extraction and implant placement.