[Discussion on academic origin of Ao shi shang han jin jing lu (Ao's Records of golden mirror on cold pathogenic diseases].

Ao shi shang han jin jing lu (Ao's Records of Golden Mirror on Cold Pathogenic Diseases) is the extant first work of lingual diagnosis. It is demonstrated that the author of this book is categorized under the school of Liu Wansu based on the location of disease, the nature of disease, therapies and drugs, and pathogenesis in pathological lingual pictures described in this book. The lingual diagnosis was based on Liu Wansu's theory of fire - heat, and used for diagnosing warm diseases. Intuitionistic vision was used in this book to prove the direct relation between red tongue and heat syndrome, which was the important joint for the theory of warm diseases to derive from the theory of cold pathogenic diseases. At the same time, the set up of the model of diagnosis and treatment for red tongue - inner heat syndrome, and clearing inner heat is established.

[Beginnings of dental radiology in Argentina]. / Comienzos de la radiología odontológica en la Argentina.

A historical sequence of the initial stages and practice of dental radiology among us, is here depicted. This activity began its manifestation in the 1910's decade and was to be enforced by the Radiology and Physiotherapy Course when doctorate was created at the Dental School of Buenos Aires in 1920. W.C. Röntgen's trascendent discovery, X rays in 1895, is the basic knowledge of the technical amplitude in the present specialty in images diagnosis.

A personal history of dental practice: 1920-1980.

The progress that has been made in dentistry during the past 60 years is reviewed by Dr. Grossman, who has been a member of the profession since 1923 and whose experience has covered both the purely academic and practical application of current theory.