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

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ftikvL HAROLD J. LEONARD, A.B., D.D.S. Professor of Dentistry WM. B. DUNNING, D.D.S. Professor of Dentistry ISADOR HIRSCHFELD, D.D.S. Assoc. Prof, of Dentistry HOUGHTON HOLLIDAV, A.B.. D.D.S. Acting Associate Dean and Assoc. Prof, of Dentistry PERIODONTIA Twenty half days of clinical time and twenty hours of class time are devoted to Periodontia. The clinical work is based on prophylactic technic which is taught in the sopho- more year. Ten half days in the junior year introduce the subject, while ten in the senior year give practice and experi- ence in it. Each of the junior half day sessions is introduced by a half hour talk or demonstration on some practical phase of the work. A set of approximately a dozen special instru- ments is required. The technic taught is conservative with but little emphasis on the so-called surgical methods. The class room time is devoted to a study of histopathology, etiology, symptomatology, and various treatments. Systemic relationships, mechanical defects of occlusion, and Vincent ' s infection are given special emphasis. The courses are designed to give students an appreciation and understanding of perio- dontal diseases and their treatment in relation to other phases of dentistry, and to make them competent to deal successfully with the ordinary run of cases in their practice. H. J. Leonard. MRS. M. G. McKENZIE, Assistant to the Dean MRS. A L. FITZGERALD Secretary to the Dean HENRY W. GILLETT, D.M.D. Professor of Dentistry WM. B. DUNNING, D.D.S. Professor of Dentistry

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CHILDREN ' S DENTISTRY The Division of Dentistry for Children of the School of Dental and Oral Surgery, Columbia University, has been in operation for seven years. Senior students spend one hundred hours of the school vear in lectures and in the children ' s dental clinic, which is independent of any other in the school. The students are taught to know thoroughly their child patients with the aid of a history and physical and dental examinations relevant to the needs of their work. Their cultural medical education enables them to recognize the physical condition of the children, and guides them in out- lining methods of management. They apply the knowledge of the technical work, specially suited to the needs of children, gained from lectures and individual clinical instruction. The following idealistic interjection may be pardonable. It is both probable and possible that the rapidly growing reverence for, and fuller understanding of, dentistry for children, may eventually so change the perspective of dentis- try as to reduce the magnitude of the technical superstructure. Its general contour would be much improved by the resulting svmmetrv and intimate coordination of its many equally important phases. The trend would be toward a more satis- factory orientation of the dental profession as an important adjunct in the science and art of healing. E. C. McBeath. HOUGHTON HOLLIDAY. A.B., D.D.S. Acting Associate Dean and Assoc. Prof, of Dentistry HARRY H. MULHAUS, Technician EVALD UNDER Technician EW ' IN ' G C. McBEATH, D.D.S., B.S., M.D. Assoc. Prof, of Dentistry SOL. N. ROSENSTEIN, B.S.. D.D.S. Instructor in Dentistrv LEVTIS R. STOWE, D.D.S. Asst. Prof, of Dentistry RADIOLOGY In order to acquaint the student with the technique and mechanism of Roentgenology, thirty hours of the junior year are spent in the Xray room. Under the supervision of Dr. Holliday and the guidance of tw r o capable technicians, Mr. Mulhaus and Mr. Linder, the student radiographs all cases as they present themselves, gradually acquiring a knowledge of the various angulations and exposures which are so essential for an accurate diagnosis. In addition, a portion of the time is devoted entirely to the dark room designed to cover all phases of the subject. After thirty hours of conscientious work in this department, the student is thoroughly informed of the technical manipulations necessary in the study of Roentgenology, the theoretical consideration being emphasized to its fullest extent in the diagnosis department. Although the major portion of the work is technical in nature, the stu- dent comes in contact with a large number of cases so that his diagnostic ability is unwittingly enhanced in an empirical manner. H. G. B.

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O i J tMm LESTER R. CAHN, D.D.S. Assoc. Prof, of Dentistry Hi XXV A. BARTELS, B.S., B.S., D.D.S. Instructor in Denlistrv MADELINr E. DIoNUS. MRS. E. RICHARDSON, Assistant to the Registrar In Charge of Social Service ORAL PATHOLOGY Sir William Osier once said, as a man ' s knowledge of pathology — so is his practice. This is eminently true. It is quite impossible to intelligently treat a disease or a lesion without first understanding its pathogenetic mechanism. Let us take an example in our own field, the dental granuloma. Examined under the microscope, we observe a defense on the part of the host, in the form of the cellular exudate which is present to combat the invasion of the bacteria and bacterial toxins. Coupled with this cellular activity there is a fibrous tissue reaction which forms a peripheral wall of further defense, and stimulates a denser ossification of the surrounding bone. This entire reaction tells us that the patient is capable of resisting the invasion of the periapical tissues and that the chances of saving a tooth so affected are very fair. Our knowledge of pathology also aids our diagnosis, and for this reason we are having more and more recourse to the pathology laboratory for help in obscure diagnostic problems. L. Cahn. ARTHUR N. CROSS Technician ROBERT WRONG Technician