Columbia University School of Dental and Oral Surgery - Dental Columbian Yearbook (New York, NY)

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Radiology The x-ray has become the foremost diagnostic aid in dentistry. Its usefulness however depends upon several factors. For one thing an exacting technic must be followed. Radiographs lacking detail or that display distorted images are likely to be misinterpreted. The evidence must be visible to be intelligible, and the more clearly it is re- vealed the more precisely it can be read. In addi- tion the dentist needs to possess a thorough knowledge of normal radiodontic anatomy in order to recognize the abnormal when it occurs. The chances of error in interpretation are very great unless skill and thoroughness are employed in the production of the radiograph and knowl- edge and sound judgment in its elucidation. Houghton Holliday HERBERT D. AYERS. JR. A.B., D.D.S. Instructor in Dentistry Denta History The care of the teeth and of the mouth was one of the first health specialities and it became so extensive that dental care became recognized as a separate profession quite apart from the usual practice of other health care. However, scientific developments within dentistry have caused the profession to realize its oneness with the other health agencies. To instill in the minds of students the desire to accomplish and to be of value to society it is well to acquaint them with the developments of the past and of some of the men who have studied and achieved things in the past. William H. Leak HOUGHTON HOLLIDAY A.B.. D.D.S., Hon.D.D.S. Professor of Dentistry Denta Materials Projects in Dental Materials aim to expand dental service, through development of new tech- nics and materials and improvement in the quality of the prime dental material, the oral tissue of die patient. Study of carious lesions and the quality of tooth tissues that remain to form a base for restoration warrants more attention from the dental profession as a guide to the extent of me- chanical protection required. High caries suscep- tibility would indicate more extensive surface protection. We must accept the present extent of dental disease in the whole population as a prob- lem to be treated with all possible skill. The real challenge is a still broader project, the treatment of the oral tissues to improve their resistance to disease. Herbert D. Ayers Jr. WILLIAM H. LEAK D.D.S. Curator of Museum 13

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Orthodontics ARTHUR C. TOTTEN D.D.S. Professor oj Dentistry Prevention in Orthodontics is primarily the duty of the general practitioner. It is he who is responsible for the health of the oral cavity and not the specialist. A comprehensive knowledge of the body as a whole is a prerequisite to the com- plete understanding of the orthodontic problem. The incidence of malocclusion could be effectively reduced if the general practitioner recognized in- cipient malocclusions and instituted corrective measures. It is the desire of this division to present to its undergraduate students definite methods for the practical application of orthodontic procedures to general dental practice. These methods shall be directed towards aiding in the solution of prob- lems arising in preventive and restorative dentistry as well as those related to the preservation of the health of the oral tissues. Arthur C. Totten HARRY A. GALTON D.D.S. Asst. Clinical Prof, of Dentistry EDWARD G. MURPHY D.D.S. Assoc. Clinical Prof, of Dentistry JAMES JAY D.D.S. Instructor in Dentistry AXEL HANSON Asst. in Dent. Teelmic Periodontics EWING C. McBEATH D.D.S., B.S., B.M., M.D. Professor of Dentistry S. N. ROSENSTEIN B.S., D.D.S. Assoc. Prof, of Dentistry The beneficial effects of conscientious and efficient dental service for children are manifold and far-reaching. The dentist experiences a pride in the accomplishment of a job well done and a conviction that his role in dental health conserva- tion is more firmly established. The child is instilled with a feeling of added security, comfort, and self-reliance, and the parent becomes aware of the fruitfulness of efforts to protect the health of the child. Such service rendered to young individuals contributes largely to the physical and mental well-being and progress of the adult of tomorrow. Ewing C. McBeath WM. A. VERL1N A.B., D.D.S. Assistant in Dentistry STANLEY W. VOGEL B.S., D.D.S. Clinical Assistant JULIAN SCHROFF B.S.. D.D.S. Clinical Assistant

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Periodontia ological factors in periodontal disease. With this in mind, our investigations into causes and cures should scrutinize carefully and emphasize par- ticularly the problems surrounding the tissue elements that make up the periodontal structures. By these means we hope to enrich the horizon for students and through them eventually to en- large our contribution to the public welfare. Studies of this character comprise the major objective in research of the Division of Periodon- tology. Daniel E. Ziskin DANIEL E. ZISKIN D.D.S. Professor of Dentistry While much progress has been made in the past in the use and improvement of established methods of practice in the field of periodontology, it seems clear that in seeking to chart a course for even more constructive advances we must alter the direction of our thinking toward a recognition of systemic influences as possible common eti- Oral Pathology ISADOR HIRSCHFELD D.D.S. Assoc. Prof, of Dentistry SAMUEL DRELLICH D.D.S. Instructor in Dentistry FRANK E. BEUBE L.D.S., D.D.S. Asst. Clinical Prof, of Dentistry I. S. FRIEDLANDER D.D.S. Instructor in Dentistry Bio-chemistry Bacteriology Oral Anatomy .ES TER R. CAHN HENRY A. BARTELS MAXWELL KARSHAN THEODOR ROSEBURY D.D.S. B.S., D.D.S. B.S., A.M., Ph.D. D.D.S. Assoc. Prof, of Assistant Professor of Associate Professor of Associate Professor of Dental Pathology Dental Pathology Biochemistry Bacteriology OSES DIAMOND EDMUND APPLEBAUM JOSEPH A. CUTTITA D.D.S. D.D.S. A.B., M.S.. D.D.S. Assoc. Prof, of Assistant Professor of Asst. Prof, of Dentistry Dental Anatomy Dental Anatomy