Chapter 29 Oral and Maxillofacial Surgery

27 terms by raymondjelus Plus

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Arch Bars

Metal plates wired to the teeth to occlude the jaw during maxillofacial surgery or during healing. Arch bars maintain the patient's normal bite --- occlusion.

Bicoronal incision

An incision made between the frontal and the parietal bones bilaterally.

Bicortical screws

Screws that penetrate both cortical layers and tghe intervening spongy layer of the bone.

Blowout fracture

A severe fracture of the orbital cavity in which a portion of the globe may extrude outside the cavity.

Dentition

The number, type, and pattern of the teeth.

Le Fort I fracture

A horizontal fracture of the maxilla that causes the hard palate and alveolar process to become separated from the rest of the maxilla. The fracture extends into the lower nasal septum, lateral maxillary sinus, and palatine bones.

Le Fort II fracture

A fracture that extends from the nasal bone to the frontal processes of the maxilla, lacrimal bones, and inferior orbital floor. It may extend into the orbital foramen. Inferiorly, it extends into the anterior maxillary sinus and the pterygoid plates.

Le Fort III facture

This fracture involves separation of all the facial bones from their cranial base. It includes fracture of the zygoma, maxilla, and nasal bones.

Mastication

Chewing

Maxillomandibular fixation MMF

See arch bars

Occlusion

In maxillofacial surgery, this refers to the patient's bite pattern when the jaw is closed.

Odontectomy

Tooth extraction

Oromaxillofacial surgery

Surgery involving the bones of the face, primarily for repair of fractures and reconstruction of congenital anomalies.

Subciliary incision

Skin incision made approximately 2 mm inferior to the lower eyelashes.

Transconjunctival incision

Incision made through the conjunctive.

Transosteal implants

Bone plates with retaining posts used in the procedure for dental implants.

Excision of Superficial Lesions surgical goal

Skin lesions are removed for diagnostic purposes to and to prevent or treat malignancy.

Excision of Superficial lesions pathology

Malignant lesions usually result form excessive exposure to ultraviolet light - sun or artificial - in combination with genetic susceptibility. The most common are basal and squamous cell carcinoma. Also, malignant melanoma. Malignant melanoma is the important concern.

Dermis cross section

Skull front view

Glabella, Nasal bone, Ethmoid bone, Lacrimal bone, Zygomatic - malar - bone, Infraorbital foramen, Maxilla, Mandible, Mental foramen, Frontal bone, Parietal bone, Supraorbital foramen, Sphenoid bone, Optic foramen, Middle concha of ethmoid, Perpendicular plate of ethmoid, Inferior concha, Vomer

Occlusion is how

your teeth come together

Draping of the face

is from the sternal notch to behind the hairline and behind the ears. Prepped with Betadine. Split sheet is draped over patient and around face. If mouth will be wired, teeth may be brushed as part of the prep.

Facial injury dressings

are not used. Face heals very quickly. Ray-Teks will be used. Count is necessary because the throat will have these to stop the blood.

Ray Tube

Maxillomandibular Fixation MMF is pointed towards anesthesia for ventilation. Wire cutters stay with the patient.

BSSO

Bi Lateral Sagitall Split Osteotomy

Serum eneuploidy

test for genetic deformity

Treacher collins syndrome

congenital malformation of facial structures. Fetal alcohol syndrome

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