1977
DOI: 10.1111/j.1600-0722.1977.tb00549.x
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Effect of drying on viability of periodontal membrane

Abstract: – The influence of a dry extra‐alveolar period on the viability of cells in the periodontal membrane of human and monkey teeth was examined in vitro. Extracted mature teeth were allowed to dry for 0, 30, 60, 90, and 120 min. Cell viability was examined with the following methods: 1) Culturing the teeth with subsequent trypsination and counting of viable cells. 2) Culturing the teeth with subsequent vital staining of the root surface with neutral red and estimation of the vital stained periodontal membrane are… Show more

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Cited by 94 publications
(123 citation statements)
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“…Desiccation for 60 min. or more can cause necrosis of PDL cells 32 and expansion of the injury site in periodontal tissue on the root surface. 33 We speculate that some PDL cells remain vital after 60 min of extra alveolar period, mainly based on the histopathological findings and data presented by Andreasen 11 .…”
Section: Discussionmentioning
confidence: 99%
“…Desiccation for 60 min. or more can cause necrosis of PDL cells 32 and expansion of the injury site in periodontal tissue on the root surface. 33 We speculate that some PDL cells remain vital after 60 min of extra alveolar period, mainly based on the histopathological findings and data presented by Andreasen 11 .…”
Section: Discussionmentioning
confidence: 99%
“…Sua composição faz com que ele seja um meio muito eficaz para a manutenção e crescimento das células do ligamento periodontal [37][38] . As grandes desvantagens do ViaSpan são seu alto custo (USD 300 por litro ), difícil acesso a população em geral , não estar disponível em pequenos frascos e o tempo curto de armazenagem nas prateleiras, pelo fato de ter que ser mantido resfriado 5,12,37,38 .…”
Section: Salivaunclassified
“…No caso da impossibilidade do reimplante imediato, o dente poderá ser transportado em um meio adequado para auxiliar na preservação das células do ligamento periodontal, as quais permanecem na raiz após o trauma 5 . Existem dois fatores críticos que afetam o prognóstico de um dente avulsionado: 1) Tempo de permanência do dente seco fora da boca; 2) Meio no qual o dente é armazenado até o momento do tratamento correto a ser realizado 2,6 . Quando o dente avulsionado é reimplantado dentro de 15 minutos, as células danificadas do ligamento periodontal causam uma reabsorção radicular parcial.…”
Section: Introductionunclassified
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