Dental health programs in industry: introduction to symposium/Objectives of Health Programs Sponsored by Management/The Interest of Management in Industrial Health Programs/Recommendations of the American Dental Association for Dental Health Programs in Industry/An Industrial Dental Health Program/Labor’s Interest in Better Health Programs/Methods of Providing Personal Health Services for Members of Labor Unions/Factors Influencing Methods of Providing Dental Services for Members of Labor Unions/Additional hospital dental internships and residencies approved by the Council on Dental Education (supplement 1)/The 1953 survey of dental practice VII. Summary/The American Dental Association Film Library/Dentists and OASI/Additions to List of Certified Dental Materials