Laser‐induced alterations in rat oral mucosa
作者： MARITA LUOMANEN , J. H. MEURMAN
DOI: 10.1111/J.1600-0722.1986.TB01787.X
关键词:
摘要: – The alterations during healing in laser and scalpel incised palate tongue mucosa were studied 37 Spraque-Dawley rats by taking specimens for light electron microscopic inspection immediately 4, 7, H 21 days after the treatments. incision differed from conventional incision: it was horizontally broader, more superficial, not bleeding contained some charred necrotic tissue particles; there inflammatory cells healing, slightly retarded. damaged area around very narrow. In EM, lasered areas showed total cell disruption with no morphologic details seen at treated site. Adjacent to those sites, charred-appearing particles scattered embedded also connective tissue. most resistant organelles against lasercaused desmosomes nuclear membranes. After days' observation ultrastructural study still revealed damage even though reepithelialization as such seemed be complete.
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