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At least 1,063 records · Page 59Linked to original sources
PubMed1989

Endodontics--anatomical considerations.

Racial differences in dental crown morphology have long been recognized, but the frequency of genetically determined variations in root form and root canal anatomy has not been established. The features of root and root canal morphology occurring at particularly high frequency in Mongoloid populations are now being documented, and the implications that such features may have upon clinical endodontics are now being reported. This paper reviews the endodontic morphology studies which have been conducted in the past and emphasizes the way in which racial divergence has had a direct influence upon the root and root canal anatomy of teeth of the adult dentition.

Asian People↗
PubMedDate not supplied

[Endodontic treatment of chronic apical periodontitis without periapical medication].

The aim of this research was to evaluate the clinical course of chronic apical periodontitis (CAP), treated only endodontically, without periapical medication. Chronic apical periodontitis cases of pulpal origin were used as a material and treated endodontically as individual clinical cases. Clinical and statistical procedures were applied. The percentage of efficient or non-efficient cases was evaluated on the basis of radiographic comparison of treated CAP immediately after obturation, and six months later. Influences of various factors on therapy effect were analysed: radiographic condition and type of periapical lesions, apical level of canal obturation, group of teeth and jaws as well as age. Radiographic conditions were assessed as status quo, improvement or deterioration. Final results were: 67.3% of improvement, 27.2% of status quo and 5.5% deterioration.

Chronic Disease↗
PubMed1989

[Use of medicaments in endodontic treatment].

An overview is given of the use and misuse of medicaments during endodontic treatment. The use of formaldehyde containing products in endodontics should be avoided. Sodium hypochlorite is the medicament of choice for irrigation and disinfection of the root canal, while calcium hydroxide is advised as inter-appointment root canal medication. There is no need for root filling materials with medicaments like paraformaldehyde and corticosteroids.

Adrenal Cortex Hormones↗
PubMedDate not supplied

[Analysis of some iatrogenic injuries during manual endodontic treatment].

Some of various iatrogenic diseases, during manual endodontic treatments, are analysed, from detailed clinical instances. Discussion leads to insist upon some classical and original ways of prevention. From general point of view, it is unavoidable to realize with gentleness, never forcing, endodontic proceedings. Deep perception of internal dental morphology is quite necessary and must be respected during treatment. Besides, histo-pathological modifications of parietal dentine have to be known, not only from intellectual but also from tactile point of view. Each practitioner will progressively improve.

Dental Instruments↗
PubMedDate not supplied

[Sonic and ultrasonic instruments for endodontics. 1. Overview].

Remembering at the common aim for every endodontic treatment, the authors underline that is basal to clean and shape the root canal. The authors describe technical and anatomical handicaps existing in this stage and discriminate between traditional instruments and endosonic instruments. They also remember the advantages of ultrasonic joined with mechanical smoothing of the canal; after they make clear some concepts of wave physics to clarify the terms utilized in this study. Moreover they discriminate endosonic sets in sonic and ultrasonic devices. The authors conclude their study thinking that the endosonic way in endodontics is the synthesis of physical, chemical and biological effects.

Dental Pulp Diseases↗
PubMed1989

[Ultrasonics in endodontics. Light microscope study].

The purpose of this study was to study the efficacy of an endodontic cleansing procedure to remove the pulp and the dentin from the root canal system with a new endodontic instrument proposed by J.M. Laurichesse, the Shaper.

Evaluation Studies as Topic↗
PubMed1979

[Critical evaluation of the endodontic treatment administered in 1975 by students of the dental department, Mainz].

The endodontic work of students in the department for tooth conservation at the Dental Hospital in Mainz, FRG, during 1975 was described. A total of 850 cases were studied in regard to the following: 1) cause and type of endodontic treatment, 2) type of root filling material, 3) number of appointments, 4) temporary root canal filling with limited period of storage, 5) degree and homogeneity of the filling.

Follow-Up Studies↗
PubMed1986

Success rate in endodontic therapy--a retrospective study. Part II.

An evaluation of the success and failure in endodontic therapy performed by undergraduate students over a seven year period was made. The success rate was found to be 90.6%. Age and sex had no significant determination on the outcome of treatment. Further observations on other factors that might influence the prognosis of endodontic therapy were made and discussed in this paper.

Adult↗
PubMed1986

Endodontics. Diagnostic, treatment planning, and prognostic considerations.

An efficient systematic approach to proper diagnosis of pulpal and periradicular disease is presented. Then treatment planning considerations that determine if a tooth can be endodontically treated, if it has strategic value to be treated, and if the patient really wants the treatment are discussed. The long-term success rate of endodontic treatment is also discussed along with the predictability of emergency treatment for the patient being treated for urgent care.

Acute Disease↗
PubMed1987

Comparison of diflunisal and an aspirin-codeine combination in the management of patients having one-visit endodontic therapy.

One hundred seventy-nine patients with asymptomatic or mildly symptomatic endodontic disease had single-visit therapy and were given either diflunisal (n = 94) or aspirin with codeine (n = 85) to control posttreatment pain. In this open-label, randomized study, diflunisal was judged superior to the aspirin-codeine combination in all major categories evaluated. Of patients receiving diflunisal, 93.6% needed the medication for only one day. In contrast, 77.7% of patients receiving aspirin with codeine needed the medication for only one day. Almost 64% of patients receiving diflunisal needed only one dose, while 32.9% of patients using aspirin with codeine needed only one dose. Four or more doses were required by 5.3% of patients receiving diflunisal and by 23.5% of patients receiving the aspirin-codeine combination. In patients receiving diflunisal, 20.2% experienced side effects. In contrast, 29.4% of patients receiving aspirin with codeine reported side effects. Thirty-five percent of patients receiving diflunisal rated the analgesic as excellent; 5.3% rated it as fair or poor. In contrast, 12.9% of patients receiving aspirin with codeine rated the analgesic combination as excellent; another 12.9% rated it as fair or poor. Diflunisal was found to be generally effective and well-tolerated, and superior to aspirin with codeine in the management of pain from endodontic treatment.

Adolescent↗
PubMed1984

Advanced techniques for intracanal preparation and filling in routine endodontic therapy.

In conclusion, these techniques have been presented to develop a logical sequence of events based on the objectives of conventional endodontic therapy. The elimination of the soft organic content of the root canal and subsequent elimination of that space as a potential source of periradicular inflammation or infection is a demanding task. These techniques provide a consistent and reproducible level of clinical success and provide a foundation to expand clinical expertise in routine and moderately difficult endodontic situations.

Dental Instruments↗
PubMedDate not supplied

Use of bondable reinforcement fiber for post and core build-up in an endodontically treated tooth: maximizing strength and aesthetics.

Post/core placements in endodontically treated teeth are utilized as a means to retain a core or foundation for the final restoration. The question of whether a post placed in an endodontically treated tooth actually increases its strength is still being debated. Prefabricated metal posts have been used in most clinical situations in the past. Due to the reflection of metal through the remaining tooth structure, these posts present some concerns involving aesthetics. To address these concerns, this article presents a method of post fabrication using a bondable reinforcement fiber as the dowel post material. The learning objective of this article is to introduce this new post fabrication technique along with the materials utilized. A clinical case is used to present the technique.

Composite Resins↗
PubMed1995

Factors to consider for predictable post and core build-ups of endodontically treated teeth. Part I: Basic theoretical concepts.

Post and core build-ups represent an important pre-prosthetic procedure prior to the restoration of an endodontically treated tooth. The dental practitioner is presented with the dilemma of selecting from an ever increasing variety of materials, techniques and designs related to this procedure, many of which are harmful and mired in controversy. Part I of this paper reviews some basic theoretical concepts for the dentist to consider when producing a predictable post and core build-up. An understanding of these basic concepts will assist the dentist in gathering data and establishing a risk/benefit equation, and will also provide an additional aid during the decision-making process for the restoration of an endodontically treated tooth.

Biomechanical Phenomena↗
PubMed1993

Parameters of achieving quality anesthesia and hemostasis in surgical endodontics.

Successful management of root structures and soft tissue pathology during endodontic surgical procedures is predicated on achieving both profound anesthesia and effective tissue hemostasis. The degree of anesthesia and hemostasis required depends on the type of endodontic surgical procedure; the more complex and definitive procedures require the greatest extent of vascular control. Predictable methods for achieving successful tissue management are based on the proper use of a vasopressor drug, proper technique and rate of injection, and the use of multiple injection sites. These approaches are designed not only to enhance patient comfort but also to improve visual and manipulative access to the surgical site.

Anesthesia, Dental↗
PubMed1994

Healing of large periapical lesions following nonsurgical endodontic therapy: case reports.

The cases of two patients with large cystlike periapical lesions are presented. The lesions formed as a result of trauma to the associated teeth. Following conservative nonsurgical endodontic treatment, there was complete resolution of the lesions. These results suggest that the largeness of a periapical lesion does not mandate its surgical removal and that even cystlike periapical lesions heal following conservative endodontic therapy.

Adolescent↗
PubMed1993

Access and isolation problem solving in endodontics: posterior teeth.

Through the pictorial presentation of case studies, this paper explores the versatility of alternative methods of retention as a means of improving overall access to the endodontically-involved tooth. Successful endodontics is the result of precise biomechanical instrumentation and involves procedural manipulations that depend on a complete and unobstructed approach to the working field. This paper is aimed principally at those practitioners who would ordinarily reject rubber dam isolation in cases where the clinical pretreatment conditions are anything but ideal.

Humans↗
PubMed1993

Fracture resistance of endodontically-treated cuspids.

The purpose of this in vitro study was to determine the optimum method for treating an endodontically treated cuspid prior to placement of a crown. Sixty extracted human maxillary and mandibular cuspid teeth were divided into groups of 10. In groups A and B, the crowns were removed at the CEJ and post amalgam cores were placed with #5 Paraposts (Group A) and #120 tapered Ticonium Endowels (Group B). The remaining groups received the following treatments: Group C--gutta percha endodontic fillings, Group D--bonded composite (Fluoro-Core) in the access preparations, Group E--#100 Ticonium Endowels, and Group F--untreated control group. All teeth were prepared for and received cemented gold crowns, were mounted in methyl methacrylate and were stressed at 45 degrees to failure in an Instron machine. Mean fracture strengths (Newtons) were: Group A--500, Group B--530, Group C--520, Group D--510, Group E--680, Group F--580. Results indicated that when the coronal tooth structure was removed, there was no statistical difference (P < 0.05) between the Parapost and Endowel core buildup groups. Although Group E (intact crowns+Endowel posts) displayed higher mean fracture resistance than all other groups, there was no statistical difference (P < 0.05) due to the large range.

Analysis of Variance↗