Instrumentación rotatoria en endodoncia. ¿Qué tipo de lima o procedimiento es el más indicado? / Rotary instrumentation in endodontics: which kind of lime you might use

El objetivo del presente trabajo es realizar una revisión bibliográfica de los últimos diez años a cerca de la instrumentación rotatoria en endodoncia y de los diferentes tipos de limas que se pueden usar, buscando una comparativa de ventajas y desventajas e incluso posibles indicaciones para cada caso y tipo de lima o procedimiento. EL sistema de endodoncia rotatoria ha significado un avance extraordinario en el tratamiento de conductos tanto de dientes anteriores como posteriores. La instrumentación rotatoria permite utilizando un menor número de limas, darle una mayor conicidad que facilite la limpieza del conducto y su posterior obturación. Por ello se pretende explicar la técnica de instrumentación mecánica de los conductos radiculares, exponiendo su diseño, características de composición, forma de uso y las ventajas o inconvenientes respecto a otros sistemas (AU)

The objective of the present work is to perform a literature review of the last ten years about rotary instrumentation in endodontics and the different types of files that can be used, searching for a comparative of advantages and disadvantages and even possible indications for each case. File type or procedure. The rotational endodontic system has meant an extraordinary advance in the treatment of ducts of both anterior and posterior teeth. The rotary instrumentation allows using a smaller number of files, give a greater conicity that facilitates the cleaning of the duct and its subsequent obturation. The aim of this work is to explain the technique of mechanical instrumentation of the root canal, exposing its design, characteristics of composition, form of use and the advantages or disadvantages with respect to other systems (AU)

The genesis and development of the Endodontic Study Club of Brisbane (1964-1970).

This narrative delineates the International, Australian and Queensland settings, between 1940 and 1970 that impeded the development of endodontology and evidence-based endodontic practice. It explores the genesis of the Endodontic Study Club of Brisbane between 1964 and 1970. Pioneers' contributions to endodontology in Australia, together with contemporaneous problems, are identified. The author used literature review and historic method. The historical and constitutional backgrounds contributed to the disjointed origins of the Australian Society of Endodontology, which were networked but autonomous study clubs that appeared in capital cities between 1960 and 1965. This was an era when dental education in Queensland was emerging from serious problems. Brown and Simpson liaised with Ehrmann and established the Endodontic Study Club of Brisbane. Members of the Endodontic Study Club of Brisbane were collegiate, disciplined, few, innovative, insular, isolated and visionary. Membership demanded a commitment to self-education, collective learning and peer review.

Historical perspectives on the roots of the apical negative pressure irrigation technique in endodontics.

The removal of the infectious process caused by an abscess in the periapical tissues was a challenge to dentists in the early part of the 20th century. While they recognized the need to debride the periapical tissues, the process was slow, tedious, and often fraught with failure that resulted in tooth extraction. However, with some creative ingenuity, an irrigation-suction apparatus was developed in the 1930s that enabled rapid and thorough debridement. This appliance went through multiple developmental permutations and was successful in achieving the desired goal. Interestingly, while the purpose of this device was a controlled periapical debridement through the root canal, and not necessarily a focus on a cleaning of the intricacies of the root canal system, the basic concept purported was similar to contemporary approaches used in root canal debridement today.

Dr. Adolph Bushell: a New England treasure & a Renaissance man for all seasons.

The landscape of New England lost a treasure on July 26, 2013 in the person of Dr. Adolph Bushell. He was a man for all seasons who dedicated his life to helping people around the world in meaningful ways. Dr. Bushell was 90 years old at the time of his passing, having spent over 60 of those years in the service of others; primarily through his dental expertise and leadership, but also through his amazing humanitarian efforts and lifetime of volunteerism for which he received numerous awards and recognition.

Bernhard Gottlieb's impact on contemporary endodontology.

Bernhard Gottlieb, physician and dentist, was born in 1885 in Kúty, Galacia (later Czechoslovakia). He received his doctor of medicine degree from the University of Vienna and a doctorate in medical dentistry from the University of Bonn. He belonged to a group of Viennese scientists who originated periodontics, orthodontics, pedodontics, endodontics, and oral surgery. In the 1930s he began to address in the European sector, root canal treatment in teeth with a vital pulp; following his immigration to the United States, he settled in Texas, in the position of professor and head of the Department of Pathology and Research at Baylor College of Dentistry. Gottlieb wrote many scientific articles and textbooks and is responsible for the beginnings of oral histology as a distinct scientific discipline within dentistry. His initial investigations focused on the periodontium and resorptive activity identified during orthodontic treatment. However, his continued research interests, which are rarely highlighted, focused on teeth and pulps that had undergone trauma and teeth that presented with necrotic pulps. Moreover, his most important legacy may lie in his establishment of the foundation for tissue engineering within dentistry, through his research on the impact of hard tissue elements such as bone, dentin and cementum on the formation of new tissues (regeneration). As stated by Dr. Gottlieb, "This seems to be the goal for which science should strive in endodontia".

Clark's rule vis à vis the buccal object rule: its evolution & application in endodontics.

Originally, Clark's rule was used to identify the position of unerupted or supernumerary teeth (a concept known as oral localization) prior to orthodontic tooth movement or surgical removal. However, the versatility of this rule's principles and concepts are also highly applicable to endodontic diagnosis and treatment. While contemporarily known by many different names, such as the "buccal object rule" and the "cone beam-shift technique," the importance of this rule in endodontics was not recognized in the literature until late in the 20th century, despite historical evidence demonstrating its incorporation into root canal procedures almost 100 years ago.

A century of endodontics: from Philadelphia to Boston.

While Dr. Grossman was in Rostock with a letter of introduction from Dr. Prinz, he visited several distinguished dentists in Berlin. One was the aged Dr. Otto Walkoff, who, with the help of a physicist while in Wurzberg, was the first dentist to capture the image of a tooth soon after the discovery of radiology by Roentgen in 1895. At his home, Dr. Walkoff passed the X-ray tube head that had taken the historic film to Dr. Grossman, who then held this treasured artifact in his hands. This transfer of culture from Germany to the United States marked the beginning of modern endodontics. Similarly, when Dr. Goldman gave Dr. Schilder his backing by sending him to study under Dr. Grossman at the University of Pennsylvania, the progress of endodontic excellence moved forward, ensuring a Century of Endodontics.

Historical perspectives on the evolution of surgical procedures in endodontics.

The historical pathway to current surgical endodontic procedures and their applications has been tortuous and tumultuous. Influenced heavily in their development by the European sector, these surgical procedures faced many challenges over the decades. Fortunately for today's practitioners, influential members of the oral surgery community, and a few staunch believers in retaining devitalized teeth, persisted in their investigation of and search for improved procedures that had predictable outcomes. Many so-called "revolutionary" or newer techniques practiced today are but a re-emergence of surgical concepts that were lost in the archives of time. With the advent of evidence-based endodontics, these procedures are now supported extensively by science and by the integration of science into materials usage, technique applications and outcomes research. However, in many respects, this story is just beginning, as the "roots" of surgical endodontics are explored.