Bruce P. McCoy

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A 13-year-old black girl was referred for evaluation of a nonhealing extraction site of 2 years' duration. Radiographs revealed a large, irregularly shaped, mixed radiolucent/radiopaque lesion that occupied almost the entire left area of the maxilla and crossed the midline. Microscopic examination revealed irregular dentinoid material with odontogenic(More)
BACKGROUND Gastrin regulates gastric acid secretion and gastric mucosal cell proliferation. We hypothesized that pentagastrin administration would affect mRNA levels of two membrane proteins that are important during stimulated states of HCl secretion, the basolateral Na-K-Cl cotransporter (BSC) and the apical H/K adenosine triphosphatase (H/K). METHODS(More)
Eosinophilic granuloma is said to be the most benign disorder of the triad commonly known as histiocytosis X. There has been, and still is, confusion about the terminology describing this entity. This article reviews the literature on histiocytosis X, with particular emphasis on eosinophilic granuloma and its oral manifestations. The case of a 22-month-old(More)
The literature on radiolucent lesions in unerupted permanent teeth is reviewed with particular attention to etiology. A case is presented which demonstrates severe coronal destruction of a mandibular second permanent molar. Histological evidence also is presented to confirm diagnosis of external resorption. Based on previous literature and the results of(More)
Patients with bleeding disorders need close cooperation between their physician and their dental practitioner to receive safe, comprehensive dental care. When indicated, physicians must advise a compromised treatment plan to avoid deep injections or surgical procedures that may initiate a bleeding crisis in patients at risk. The conditions most commonly(More)
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