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What happens when irrigants such as chlorhexidine or sodium hypochlorite are expressed out of the apex? All irrigants with bactericidal action are irritating and toxic to apical tissues to one degree or another. Of the commonly used endodontic irrigants, 5.25%…
ABSTRACT The purpose of this study was to use an enzyme immunoassay to determine whether diffusion of tetracycline occurs through root dentin of extracted human teeth. Twenty-one roots were mechanically prepared and then divided into three groups: experimental (G1; n=15;…
If, when injecting a flowable sealer (like RealSeal sealer or EndoRez), an air bubble (void) forms, how do you get around that? Do you have to remove it all and start over? How much sealer and how the sealer is…
How often do we examine a patient experiencing pain and wonder if the problem is odontogenic or of another origin? Making matters more complicated, how often have we concluded that the patient’s problem is of dental origin but we are…
Change is a significant evolutionary tool provided it rests upon a solid and secure foundation. Innovations in materials and technologies occurring within the dental field are impacting powerfully on its art and science; however, dentistry, like all health care, is…
Philippe Sleiman PhD, FICD; Samia Abou-Jaoude DDS, DES and Roula Berberi DDS, DES
Electronic Apex Locators (EAL) were introduced to the dental profession in the early ’60s by Sunada in 1962 based on the work of Suzuki first described in 1942, where he found that the electrical resistance between a file inserted into…
In the July, 2004 issue of Oral Health in an article called “Bonded Obturation, A Quantum Leap Forward for Endodontics” Dr. Gary Glassman and I stated, “The surgical operating microscope and the advent of rotary nickel titanium instrumentation have both…
Infection, like some diseases, may have many different manifestations. It may surface at the primary site of the source, it may present with atypical signs and symptoms or it may even present at a distant site from its primary source…
The focus on aesthetics has dominated both the dental profession and dental industry for the past decade. Fortunately, the pendulum’s arc has reversed and dentistry is reframing yet again. The profession is revisiting treatment planning, with all its fundamentals and…
In reviewing the literature, I found an article that has important clinical relevance with regard to the determination of TWL and that is worthy of wider discussion (“Frequency of Over instrumentation with an Acceptable Radiographic Working Length” by El Ayouti,…
1) Carefully study the tooth before beginning treatment. Anticipating clinical challenges and developing strategies is always far preferable to dealing with iatrogenic problems after they occur. 2) Always use a rubber dam, always. If the patient will not tolerate one,…
Being able to perform endodontic treatment as safely and efficiently as possible is a function of primary three components: 1. Choosing cases correctly for treatment or for referral.Advertisement It is difficult to give simple and arbitrary rationale for cases which…
Electronic length determination… is superior to radiographic localization of the apical constriction” from a recent statement of the German Society for Dental, Oral and Maxillary Medicine. I agree wholeheartedly with this statement. Of the various methods of determining true working…
Having used all the rotary nickel titanium (RNT) systems available in North America, I have come to rely upon the K3 RNT system (SybronEndo, Orange, CA) as my preferred file. K3 stands in distinction to the other RNT root canal…
Recently, I was on a technical scuba diving training dive where a serious accident occurred. The situation was caused by a lack of communication and a faulty dive plan. It was completely preventable. While not potentially fatal, in an endodontic…
Recently I was asked this question by a reader. The answer is primarily dependent on the brand of rotary nickel titanium (RNT) file used, taper, tip size, how many times it has been used previously and under what conditions. Obviously,…
The functional success rates for endodontically treated teeth are without equal.1 As it is manifest that a natural tooth is preferable to an unnatural replacement, it is therefore incumbent on the practitioner to be familiar with what is possible in…
Regardless of what system is used to shape canals, the goal is to render a canal devoid of as much tissue as possible, producing a shape that can be obturated as close to 100% as possible. Knowing that tissue in…
In my opinion, the advent of predictable implant therapy is a good stimulus for endodontics. Implant therapy has, in one view, called on endodontics to improve its predictability, safety and efficiency. If endodontics has a rival in implants, endodontics must…
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