[Electrical activity of the masseter muscle under nitrous oxide and oxygen analgesia].
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Biomedical subjects
Publications and source records attributed to I Punwani.
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This cross-sectional study of fifty-two prematurely-born children, ages two to five years, evaluated the long-term effects of oral intubation at birth on palatal architecture, crossbite malocclusion, and enamel structure. Seventy percent showed a high palatal vault, with palatal grooving in 25 percent; 36 percent had enamel defects in the maxillary primary incisors; and 17 percent had posterior crossbites. The mean palatal depth was 12.9 mm, as compared to 11.4 mm for a group of 45 nonintubated, normal healthy children (the difference was significant at alpha = 0.05). There are significant iatrogenic defects from prolonged neonatal intubation with this sample of preschoolers.
Two cases of fibromas of the oral cavity--benign soft tissue tumors, commonly seen with sessile or pedunculated bases--are presented.
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Larsen's syndrome is a genetic disorder of connective tissue characterized by multiple large-joint dislocations, abnormalities of hands and feet, and anomalous facial features. Although findings involving multiple systems have been added to its clinical and pathological entity, oral pathology besides cleft palate has not been reported. We report here advanced periodontitis with severe gingival inflammation in a 29-year-old Larsen's syndrome patient. Bacterial culture of subgingival plaque identified the periodontal pathogens that were present in numbers above the normal range. We speculate that the underlying defect in connective tissue may predispose Larsen's syndrome patients to periodontal destruction provoked by microbiological factors.
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