In
~3
VESee
Table 19
Subjects With Positive Bentonite Flocculation Test
M-rav evidence
Age
Sex
BFT titer
Clinical findings
841¢
886
+1
49
F
M
1/256
1/64
None
Not tested
Neg. in 1957, '58, and ’59.
Mild osteoarthritis in 1959.
953°
42
M
1/64
None
No joint findings: bronchia!
“Sy
Figure 12. Roentgenograph of hands showing congenital hypoplasia of the middle phalanx, 5th finger.
the Majuro group, although the general impres-
sion wasthat their standardsof oral hygiene Were
lower. In both the exposed and unexposed Ronge:*
lap children, areas of hypoplastic enamelin deciduous teeth were not an unusual finding.
Adults
Only about 10% of the Rongelap people prac-
ticed good oral hygiene. Peridonta] disorders may
have been slightly higher in the exposed group, al-
though there was no significant difference in the
incidence of caries. In young adults, subgingival
calculus was usually present in the form of cervical
ringlets accompanied by marginal gingivitis, and
verylittle supragingival deposition was observed.
In subjects >35 years of age, loss of alveolar bone
was quite apparent, and supragingival calculus
was more prevalent than subgingival. Only 2% of
me
asthma; 2+ prostatic hypertrophy.
+ 7% hoa
of arthritis
ne
Subject No.