chapter 18
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Created by:
cachinadoll on September 7, 2010
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68 terms
Terms | Definitions |
|---|---|
 pan | all the way around |
| gnath | jaw |
| condyle | the round end of the bone fits in the joint |
| saggital | divides the body or organ into left and right halves |
| ramus | 2nd portion of the mandible |
| malocclusion | misalignnment of the aveolar process of the jawbone |
| osteotomy | incision into the bone |
| what does a frontal sinus repair often require | craniotomy setup |
| what is arthroplasty | surgical replacement or reconstruction of a diseased or worn joint |
| what is arthrotomy | incision into a joint |
| what is arthroscopy | a surgical procedure in which a special type of endoscope is used to view a joint internally |
| what are the 4 types fo dental fractures | class I, II, III, IV |
| what is a class I dental fracture | fracture to the enamel cap of the crown |
| what is a class II dental fracture | extend into the dentin of the tooth |
| what is a class III dental fracture | cause extensive damage to the coronal portion of the tooth & expose the pulp |
| what is a class IV dental fracture | occurs at or below the cementoenamel junction of the tooth |
| wisdom teeth | term given to the 3rd and last molars to appear |
| primary teeth | term given to the baby teeth that are lost by the age of about 6 |
| secondary teeth | term given to the adult teeth (permanent) |
| what is the purpose of arch bars | a device that is used to immobilize the jaw following mandibular and/or maxillary fracture |
| what is the type of incision used for micrognathism, retrognathism or prognathism | an intraoral, gingival incision |
| what is the anterior portion of the palate | hard palate |
| what are the names given to the midfacial fractures | Le Fort I, Le Fort II & Le Fort III |
| Le Fort I | the alveolar process of the maxilla is horizontally separated from the base of the skull |
| Le Fort II | extends upward to the nasal & ethmoid bones & may be triangular or pyramidal in shape |
| Le Fort III | located high in the midface extends transversely from the zygomatic arches, through the orbits & to the base of the nose |
| what structure attaches the tongue to the floor of the buccal cavity | lingual frenulum |
| cheek retractor | used to keep the cheeks & lips from falling into the operative field |
| mouth prop | used to maintain the patient's mouth in an open position during surgical intervention |
| minnesota retractor | used for cheek/tongue retraction |
| examples of graft materials | autogenous, iliac crest, ribs and calvarial |
| when is TMJ replacement used | severe cases of ankylosis |
| what is the diameter of craniofacial plates | 1.0 - 4.0mm |
| diagnostic imaging methods | x-ray, ct scan, & mri |
| what is the muscle for closure of the mouth & protrusion of the chin | the masseter muscle |
| what type of tissue is the uvula | lymphatic tissue |
| vomiting is a risk for | aspiration and infection |
| arch bars are fixed by | wire or elastic loops |
| what bone is best for grafting | calvarial bone with craniotomy set |
| what is the calvarial bone | superior portion of the cranium where the fontanels are situated |
| what set is used for rib grafts | chest set |
| give an example of a zenograft | coral |
| give an example of a synthetic graft | silastic |
| what implant is commonly used in adults | nonabsorbable titanium |
| what are the 2 types of screws | self tapping and non-tapping |
| what can be used to repair a CSF leak from a dural tear | fat, fascia, or muscle graft |
| cranialization | involves the removal of the posterior table of the frontal sinus |
| what procedure is usually done first for a zygomatic fracture | closed reduction |
| what procedure is used for a severe zygomatic fracture | ORIF |
| sphenoid | bone in the anterior portion of the cranium that aids in forming the base and sides of the cranium, floors, & sides of the orbits |
| maxilla | 2 bones that form the upper jaw, floors of the orbits, and sides & floor of the nasal cavity |
| mandible | horshoe-shaped bone that articulates with the temporal bone & serves as attachment for muscles used during chewing |
| what is the facial nerve | 7th cranial nerve |
| most Le Fort fractures are a result of | 53% are a result of auto accidents |
| what suture is used for a mandibular condyle meniscus repair | 4-0 or 5-0 chromic or silk suture on a small cutting needle |
| what type of inhalation system is used to prevent fire during surgery | use a closed ventilation system and a fire retardant ET tube |
| what causes dental carries | streptococcus mutans creats an acidic environment causing enamel demineralization. |
| what is dentin | forms the majority of the tooth and is harder than bone |
| what is the aveolar process | hole in the bone that holds the tooth |
| what type of solution is used to distend teh capsule during TMJ arthroscopy | lactated ringer's solution |
| what is another name for the malar bone | the zygomatic bone is also called the cheek |
| what is the most common type of midfacial fracture | Le Fort fractures |
| what are the types of x-ray views | walters, caldwell, lateral facial, panoramic |
| how many bones are in the skull | 22 |
| how many bones in the cranium | 8 |
| how many bones are in the face | 14 |
| what is the action of the frontalis muscle | draws the scalp forward, wrinkles the brow, and raises teh eyebrows |
| cranial development | around the 6th week of develpment forms a cartilaginous shell around the developing brain |
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