Tooth pulp changes following Le Fort I maxillary osteotomy in a primate model
作者： R.M. Browne , C.L. Brady , J.W. Frame
DOI: 10.1016/0266-4356(90)90001-2
关键词: Osteotomy 、 Medicine 、 Maxilla 、 Posterior teeth 、 Primate 、 Histology 、 Maxillary Osteotomy 、 Dentistry 、 Pulpitis 、 Dentin 、 Surgery 、 Oral surgery 、 Otorhinolaryngology
摘要: Le Fort I maxillary 'down-fracture' osteotomy with 8 mm advancement was performed in 15 adult rhesus monkeys. Forty-five tooth pulps were examined histologically at intervals from 0 to 24 weeks after surgery. Cell degeneration occurred 31% of examined, necrosis 16% and osteo-dentine found 7% pulps. Almost half the teeth (47%) showed marked cellular changes, more frequently posterior teeth. Other features noted inflammation (13%) reactive dentine (24%). Axons degenerated initially but recovered by weeks. It is concluded that caused pulpal disturbances an animal model extent which this occurs patients needs be carefully monitored.
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