27
Table 19
Subjects With Positive Bentonite Flocculation Test
Subject No.
Age
841
41
953
42
886
49
Sex
BFTtiter
F
1/256
M
1/64
M
1/64
X-ray evidence
of arthritis
None
Nottested
None
Clinical findings
Neg. in 1957, ’58, and ’59.
Mild osteoarthritis in 1959.
Nojoint findings; bronchial
asthma; 2+ prostatic hypertrophy.
Figure 12. Roentgenograph of hands showing congenital hypoplasia of the middle phalanx,5th finger.
the Majuro group, although the general impression was that their standardsof oral hygiene were
lower. In both the exposed and unexposed Rongelap children, areas of hypoplastic enamel in deciduous teeth were not an unusualfinding,
Adults
|
Only about!0% of the Rongelap people practiced good orai Mgiene. Peridontal disorders may
mom N*
JU ieUdD
=,
*
have beenslightly higher in the exposed group,although there was nosignificant difference in the
incidence of caries. In young adults, subgingival
calculus was usually present in the form ofcervical
ringlets accompanied by marginal gingivitis, and
very little supragingival deposition was observed.
In subjects >35 yearsof age, loss of alveolar bone
was quite apparent, and supragingival calculus
was more prevalent than subgingival. Only 2% of