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This article presents information on abstracts related to dentistry. The paper "Inflammation and Infection of Pulp and Periapical Tissues" reviews the information concerning the processes of inflammation and infection of the pulp and periapical tissues. The aim of the study "A Radiographic Study of the Point of Endodontic Egress" was to compare the actual position of root canal fillings with those on their radiographs. The radiograph is a two dimensional view of a three dimensional object and this study investigated the inherent shortcomings of this method of assessing the length of root fillings.

The article presents reports of combined Annual Meeting of Canadian Academy of Endodontics and the American Association of Endodontists. The first day of the meeting featured the research seminar. The first paper was on a study concerning "Change in Dentine Brittleness Relative to Dehydration," by Douglas Stewart and Herbert Schilder of Boston University. Again from Boston University, Herbert Schilder and Roger Czarnecki reported on a "Histological Evaluation of the Human Dental Pulp in Teeth with Varying Degrees of Periodontal Disease."

This article reports on the twenty-eighth annual meeting of the American Association of Endodontists, Philadelphia, Pennsylvania, which was held on April 22-25. The meeting devoted considerable time to research reports. The article briefly describes the papers presented by several authors pertaining to different aspects of endodontics. Julius Fox of the Albert Einstein college of medicine, reported on a radiographic study of teeth whose root canals had been filled either accidentally or intentionally with broken instruments. Similarly, Marvin Gross from Temple University presented a method of differential diagnosis of peripheral lesions in which the separation of protein fractions is effected by the use of acrylamide gel electrophoresis.

SILVER amalgam may be used for the obliteration of apical canals by a coronal approach, or for the retrograde settling of apical canals and for the repair of those accidental perforations of the root which allow adequate access for direct instrumentation. The technique of filling the apical third of a root canal with amalgam either before or after apicectomy has been fully covered in earlier publications (Messing 1958, 1960, 1965), but in this paper the methods used to prepare and fill perforations and apical cavities will be discussed, and the use of amalgam for sealing the apices of teeth destined for re-implantation will also be described. [ABSTRACT FROM AUTHOR]

This article presents a list of papers related to endodontics. Some of the papers are "Culturing root canals by endodontic diplomates: a report based on a questionnaire" by Arthur J. Lane and Louis I. Grossman, "Advances in biology of the human dental pulp" by Samuel Seltzer, "Human pulp capping with isobutyl cyanoacrylate" by S. N. Bhaskar, J. D. Beasley, J. P. Ward and D. E. Cutright and "Responses to pulpotomy wounds in normal human teeth to successively applied Ledermix and Caixyl" by M. Ulmansky, J. Sela. M. Langer and A. Yaari.

The article presents a list of paper related to endodontics. Some of the papers included in the list are: "Apical Tooth Root Resorption," by J.R. Herd, "Root Resorption of Traumatic Origin," by R.A. Leeson and C.C. Wilks, "Utilization of the Mandibular Premolars of the Dog for Endodontic Research," by B.C.W. Barker and B.C. Lockett, "Pulp Lability and Repair: Effect of Restorative Procedures," by L. Zach, "Endodontic Therapy Involving a Taurodontic Tooth," by F. Widerman and T. Serene and "Apical Closure of Nonvital Teeth," by J.J. Dylewski.

The article presents a list of paper related to endodontics, published in the September 1, 1972 issue of the Journal of the British Endodontic Society. Some of the papers included in the list are: "Treatment of Pulps of Monkeys With Vancomycin and Calcium Hydroxide," by D. Gardner, D. Mitchell and R. McDonald and "The Response of the Dental Pulp in Dogs to a Corticosteroid-Antibiotic Cement," by N. Clarke.

The article discusses the paper "Effects of Three Types of Pins on Compressive Strength of Dental Amalgam," by D.F. Duperon and Z. Kasloff. The use of pins was, for many years. The use of pins was, for many years regarded as a method of strengthening amalgam as well as aiding retention. This paper investigates the compressive strengths of amalgam containing a variable number of pins of three designs. Those chosen were all of approximately 0.5 mm diameter and were either serrated or smooth stainless steel or of a silver-plated precious metal alloy. It was found that silver plating of stainless steel is unsatisfactory.

The article presents a list of recent endodontic papers. Some of the papers enlisted are, The Efficacy of Pulp Capping Materials. A Comparative Trial by D.S. Shovelton, L.A. Friend and A.H.B. Rowe, Pulpal Response to Isobutyl Cyanoacrylate in Human Teeth by M.D. Berkman, F.A. Cucolo, M.P. Levin and L.J. Brunelle, Condensed Calcium Hydroxide Root Filling Following Partial Pulpectomy by A.J. Laws, Progression of Pulpitis to Necrosis and Periapical Disease in Deciduous and Permanent Teeth of Monkeys by A.S. Cardoso and D.F. Mitchell and Position of the Apical Foramen in Relation to Endodontic Therapy by M. Palmer, F.S. Weine and H.J. Healey.

The article presents information on the Provincial Meeting of the Society which was held on, October 2, under the Presidency of J.M. Mumford at the Liverpool Dental School by courtesy of Professor Lawton the Director of Dental Education and the Board of Governors. The final paper in the morning session was presented by J. Zamet. He gave a fascinating discourse on the place of Endodontics in Periodontology. The main thesis of his paper was plaque control and he showed a number of slides to illustrate the ways in which it was necessary to achieve this. In posterior teeth the problem was particularly difficult.

This article reports on an annual provincial meeting of the British Endodontic Society which was held at Oxford, Great Britain, on September 28-29, 1974. The meeting on Saturday was opened by the President. He introduced Major Stock who presented a paper on his investigation into "The Comparison of the efficiency of the Giromatic system and hand operated instruments in Root Canal Therapy". Two films were shown during the meeting, one made by the U. S. Navy on Endodontic Techniques and the other on a diodontic implant technique entitled "Tooth and Nail."

This article presents a list of recent research papers on endodontics. The list here includes, "Methods and Criteria in Evaluation of Periapical Response," by M. Muruzábal and J. Erausquin; "Odontie Periapical Pressure Following Vital Pulp Extirpation," by H. Wayne Mohorn, J. Dowson and J. R. Blankenship; "Conservative Treatment of a Large Radicular Cyst: Report of a Case," by W. E. Harris; and "Healing Following Incomplete Root Canal Fillings," by M. S. Davis, S. W. Joseph and J. F. Bucher.

Lists recent endodontic articles published in the January 1969 issue of the "Journal of the British Endodontic Society." "Paper Point in Mental Foramen: Report of a Case," by E. White; "Design for a Human Pulp Study 1," by H. R. Stanley; "Evolution of Blood Clot After Root Canal Treatment in Rat Molars," by J. Erausquin and M. Muruzabal.