Annals of Diagnostic Paediatric Pathology

104
Table 7
Total mean number of teeth with caries and total mean number of teeth requiring conservative and surgical treatment depending
on dentition type
Dentition
type N Examined with caries
N (teeth) (mean value)
requiring
conservative
treatment
requiring
extraction
M S M S M S M S
Primary 10 20 - 13,30 - 9,50 - 3,80 -
Mixed 30 8,83 14,20 5,66 5,20 2,76 4,63 2,90 0,56
Permanent 25 - 26,88 - 10,88 - 10,36 - 0,52
Table 8
Non-caries-dependent enamel defects in children subjected to chemo- and radiotherapy dependent on dentition type (w-labial/
buccal surface, sz-cervical area)
White smooth stain Rough stain Enamel defects within s
Dentition
Nt Nt Nt
type Nc Nc w sz >1 total Nc w sz >1 total Nc w sz >1
Primary 7 2 2 4 - 6 6 35 8 - 43 5 49 - 15
Mixed 23 21 106 1 27 134 16 77 3 35 115 6 19 - 6
Perma-nent 19 16 65 1 24 89 13 40 4 58 96 11 36 36 21
Total 49 39 173 6 51 229 33 156 15 93 254 22 104 36 42
Nc = number of children
Nt = number of teeth
Fig. 1 Scanning electron microscopic view of tooth surface with cracked
enamel and altered enamel prisms within an area of enamel defect. Microscopical
magnification x 1100
Fig. 2 Scanning electron microscopic view of the tooth dentin canals. Microscopical
magnification x 1500