This Investigation was supported in part by a Grant from the Charles H. Hood Dairy Foundation and by USPHS Research Grant D-1066 from the National Institute of Dental Research, National Institutes of Health, Bethesda, Maryland.
From the Orthodontic Department of the Eastman Dental Dispensary, Rochester, New York.
This investigation was supported by USPHS Grant D-1330 from the National Institute of Dental Research, National Institutes of Health, Bethesda, Maryland.