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.

Select target paragraph3