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International Journal of Dentistry
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2021
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Article
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Tab 2
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Research Article
Prevalence of Three-Rooted Deciduous Mandibular Molars in the Children of Northwestern Iran
Table 2
Comparison of the frequency distribution of the type of three-rooted deciduous teeth in terms of side of the mandible.
Side of the mandible
Type of the molar
Total
D
E
Side of the mandible
Left
N
#
11
2
13
Percent
68.8%
16.7%
46.4%
Right
N
#
4
9
13
Percent
25%
75%
46.4%
Both
N#
1
1
2
Percent
6.2%
8.3%
7.2%
χ
2
(2)
= 7.74%,