THE STATURE AND THE ERUPTION OF THE PERMA- 

 NENT TEETH OF AMERICAN, GERMAN-AMERICAN 

 AND FILIPINO CHILDREN. DEDUCTIONS FROM 

 THE MEASUREMENTS AND EXAMINATION OF 1445 

 PUBLIC SCHOOL CHILDREN IN ANN ARBOR, MICH- 

 IGAN, AND 776 IN MANILA, P. I. 



ROBERT BENNETT BEAN 



From the Anatomical Laboratory, the Tulane University of Louisiana 



FIVE DIAGRAMS 



CONTENTS 



Introduction • 114 



Materials 114 



Methods 115 



The stature 117 



1. The stature of the groups compared 117 



2. Review of the literature and discussion 119 



3. Periods of acceleration and retardation in growth 123 



The teeth 125 



1. The eruption of the permanent teeth 125 



2. The alternation of growth in stature and the eruption of the teeth. . 126 



3. The eruption of the individual permanent teeth 128 



4. Review of the literature and discussion 133 



The law of alternation in development 137 



The morphologic type and the teeth 146 



1. The morphologic type and the eruption of the permanent teeth. . . 147 



2. The morphologic type and the number of good sets of permanent 



teeth present 147 



3. The morphologic type and the average number of decayed perma- 



nent teeth present 148 



4. The relations of the morphologic type in the several groups, races 



and sexes 148 



The physiological standard of the teeth, by which may be determined 



the mental and physical development of the individual 152 



The school grade and the teeth 153 



R6sum6 155 



Bibliography 158 



113 



THE AMERICAN JOURNAL OF ANATOMY, VOL. 17, NO. 1 



