. Oral pathology and practice. A text-book for the use of students in dental colleges and a hand-book for dental practitioners. ect properly to reduce thefracture. The ends of the bone may become rounded off by re-sorption and the medulla be closed. The remedy in such in-stances is to open the seat of the fracture, saw off the ends of thebone, and depend upon a new formation after reduction. In fractures of the long bones, shortening is likely to be theresult of muscular contraction and the overlapping of the ends ofthe fragments, unless extension is used. SPECIAL CASES OF FRACTURE. 299 CHAPTE
. Oral pathology and practice. A text-book for the use of students in dental colleges and a hand-book for dental practitioners. ect properly to reduce thefracture. The ends of the bone may become rounded off by re-sorption and the medulla be closed. The remedy in such in-stances is to open the seat of the fracture, saw off the ends of thebone, and depend upon a new formation after reduction. In fractures of the long bones, shortening is likely to be theresult of muscular contraction and the overlapping of the ends ofthe fragments, unless extension is used. SPECIAL CASES OF FRACTURE. 299 CHAPTER LXV. SPECIAL CASES OF FRACTURE. Fractures of the nasal bones may be determined by the deform-ity, by the infiltration or emphysema of the investing tissues, bycrepitus, and through obstruction of the nasal passages by blood-clots. They are not dangerous unless the injury is at the base,when the cribriform plate of the ethmoid may be injured, and ashock thus given to the brain. The adjustment must usually beby means of directors or needles thrust up the nostril, and theparts are held in place by adhesive strips. Fig. A Simple but Effectual Method of Wiring the Teeth Together for the Purposeof Reducing a Fracture. Fractures of the superior maxilla and of the alveolar processmay be met with. If they are incomplete and there is no specialdeformity they have little significance. The nasal and alveolarprocesses are frequently broken. The former may be a complica-tion of injuries to the nasal bones. The latter may be broken incareless extraction of the teeth. It very readily unites, and usuallyrequires little attention unless a small fragment is displaced, inwhich case it should be removed. Fractures of the body of the superior maxilla may result fromgreat violence. There is no bone which so readily unites, and allthat is usually necessary is to reduce the fracture as completely as 300 ORAL PATHOLOGY AND PRACTICE. possible, and retain the parts in apposition by bandages and ad-
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