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Biomedical subjects

P S de Carvalho

Publications and source records attributed to P S de Carvalho.

14 recordsLinked to original sources
PubMed1997

Treatment of fibrinolytic alveolitis with rifamycin B diethylamide associated with gelfoam: a histological study.

The most common complication in the healing of extraction wounds is fibrinolytic alveolitis, which may also be termed "dry socket". Reduction in the incidence of this condition after the application of topical antibiotics and the use of systemic antibiotics has been reported. A histological study of disturbed alveolar socket healing in rats was carried out to analyze the influence of application of rifamycin B diethylamide (Rifocin M) associated or not with Gelfoam. Sixty-four male rats (Rattus norvegicus albinus, Wistar), weighing 120-150 g, were divided into 4 groups of 16 animals each. In the second group of rats which received implants of Gelfoam, there was an intense resorption of bone walls in the initial stage. The rats that received implants of Gelfoam saturated with Rifocin M (fourth group) showed better results than the second group. The third group (only irrigation with rifamycin) showed better bone formation in the alveolar socket compared to the first, second and fourth groups. Thus, these results showed that rifamycin irrigation is useful in the control of alveolar infections.

Administration, Topical↗
PubMedDate not supplied

Influence of bed preparation on the incorporation of autogenous bone grafts: a study in dogs.

To study the influence of bed preparation on the incorporation of autogenous bone grafts in mandibles, 6 dogs with 3 different types of receptor bed were used: cortical, perforated, and decorticated. After 45 and 90 days, the animals were sacrificed and block sections of grafted and adjacent bone were removed. The specimens were prepared and stained with hematoxylin and eosin and Masson's trichromic. The autogenous bone grafts were integrated with the receptor bed, mainly in the perforated and decorticated groups. The poorest results were found in the cortical group.

Alveolar Process↗
PubMedDate not supplied

[Incidence and treatment of cysts].

The records of 78 patients (1978-1987 period) submitted to surgical treatment of cysts, were analysed to verify the cyst location, etiology, types of cysts, and surgical techniques. There were made commentaries and orientations on the necessity of radiography, cytological and histopathological examination and post-operative radiological control.

Brazil↗