Sz. Chen et al., PATHOLOGICAL-CHANGES OF OXYTALAN FIBERS IN THE HUMAN GINGIVA OF CHRONIC PERIODONTITIS, Chinese medical journal, 107(10), 1994, pp. 785-789
The gingiva samples were obtained from 40 patients with chronic period
ontitis after flap operation and 20 cases having healthy gingiva after
ectopic wisdom tooth extraction. We investigated the oxytalan fibers
by light microscopy (LM), transmission electron microscopy (TEM), and
scanning electron microscopy (SEM). The results demonstrated that unde
r normal conditions numerous oxytalan fibers were widely and evenly di
stributed throughout the periodontal tissues. There was marked degener
ation of the oxytalan fibers in chronic periodontitis. The predominant
features were disintegration, fragmentation or disappearance of the o
xytalan fibers under the basement membrane. Around the blood vessels,
the oxytalan fibers decreased in density with fragmentation of the fib
ers and sometimes they disappeared almost completely. These results in
dicated that degeneration and destruction of the oxytalan fibers were
closely correlated with the chronic periodontitis process, leading to
reduced functional occlusion of teeth.