Abstract
The purpose of this study was to find out factors which determine who brushes the child's teeth, a survey being made with questionnaires.
The subjects were 1127 mothers of nursery and kindergarten pupils ranging from one to six years of age who live in Nagoya and the suburbs.
These data were analyzed by the second class of Hayashi's quantifying theory.
The results of this study were summarized as follows;
1) In the case of children aged from one to three years, there were many children whose teeth ware burshes by their mothers. In the case of children aged from four to six years, there were many children who brushes their teeth themselves without their mother's help.
2) In the case of the children aged from one to three years, the following four factors were chosen which determine the person who brushes the child's teeth; the mother's attitude when the child does not brush, positive attitude toward tooth brushing, use of tooth paste, and the person who actually brushed the child's teeth in the starting peroid.
3) In the case of children aged from four to six years, the following four factors were chosen which determine the person who brushes the child's teeth; cooperation of child with mother's help, mother's attitude when the child does not brush, age, and order of siblings.
