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At least 1,765 records · Page 98Linked to original sources
PubMed1991

[The Thermafil obturator in endodontics: preliminary study].

A clinical study involving 25 patients and a total number of 42 canals was carried out in the department of Endodontics at the Saint-Joseph University of Beirut and in private practice. The use of the Thermafil device seems to be safe due to the carrier manufactured with a stainless steel medical grade, covered with a layer of gutta-percha alpha phase. The clinical results are satisfactory, the technique is simple, fast and efficient, which confirms the results published in the literature. More investigations are necessary to a better evaluation of the system.

Gutta-Percha↗
PubMed1991

Endodontic diagnostic techniques.

Successful endodontics begins with accurate diagnosis. A systematic routine must be followed to obtain the information necessary to arrive at the correct diagnosis. This paper discusses the role of the patient's medical history, as well as subjective, objective, and radiographic examinations in the diagnostic process with special emphasis on information published within the past year.

Dental Pulp Diseases↗
PubMed1991

Management of endodontic emergencies.

Endodontic emergencies include situations of pain or swelling that require the immediate attention of a dentist. These emergencies interrupt the schedule of the patient and the dental team. This article reviews the clinical conditions that might require emergency therapy, etiologies of these conditions, and the minimal treatment needed to alleviate the signs and symptoms. Current opinions on these issues are presented.

Acute Disease↗
PubMed1991

Surgical endodontic and retrograde procedures.

This article reviews the recent literature on endodontic surgery and root end filling materials. Root end filling materials have been studied extensively during the period of this review. The materials that have proved to consistently seal the apex in both leakage and success studies are the reinforced zinc oxide-eugenol cements such as IRM (The L.D. Caulk Co., Milford, DE) and SuperEBA (Harry J. Bosworth Co., Skokie, IL) cement. Articles on treatment planning and surgical armamentaria are also reviewed. Two textbooks and 21 journal articles are cited.

Animals↗
PubMed1991

Tissue necrosis after using an arsenical endodontic preparation: a case report.

A case is reported of severe loss of alveolar bone in the maxilla, as a result of leakage into the tissues of an arsenical paste from the pulp chamber of an endodontically 'treated' tooth. The history of the use of arsenic in dentistry is discussed, as are the hazards inherent in the use of this outmoded and dangerous medicament.

Alveolar Bone Loss↗
PubMedDate not supplied

[The dilemma of the dentist: should I treat the pulp conservatively or endodontically].

In this paper the authors are referred to the problem of the dentist whether he should treat the pulp conservatively or he should perform endodontic therapy in the different lesions of the pulp. A short description of the evaluation and the function of the pulp is given. Finally a throughout description of the parameters which influence the choice of the therapeutic method such as the condition of the pulp, the age of the patient, the necessity of pulp preservation and the type of final restoration.

Dental Pulp Diseases↗
PubMed1990

Endodontic management of trauma to permanent teeth.

Oral trauma is a common event. It has been estimated that up to 20% of the United States population has sustained injuries to the teeth. In a perspective study, Andreasen reported that one of every two Danish children had sustained an oral injury by age 14. This article will discuss the different types of injuries that can happen to permanent teeth, endodontic management of these injuries, and possible complications. Exarticulations (totally avulsed teeth) will not be thoroughly discussed.

Calcium Hydroxide↗
PubMed1991

Surgical management of endodontic failures: indications and treatment results.

Two-hundred and twenty-four teeth with failures after conventional endodontic treatment were treated by periapical surgery by one surgeon and followed up for 1-8 years. Indications for surgery were: inaccessibility to the apical part of the root by a coronal approach due to posts, calcifications or procedural accidents. Cysts, a few acute cases and wide-open apices were also treated surgically. Healing was judged radiographically and classified into one of four healing groups: (1) complete healing, (2) incomplete healing (scar tissue); (3) uncertain healing, and (4) unsatisfactory healing. The grouping was performed separately by the oral surgeon and an endodontist. Deviating cases were then evaluated jointly, difficult cases and borderline cases were judged by an oral radiologist. Complete healing was observed for 76.6 per cent and incomplete healing (scar tissue) for 8.1 per cent of the teeth. The size of the latter group was strongly influenced by the number of cases with large preoperative rarefaction. A success/failure grouping of the material (success = complete and incomplete healing) revealed that 27 per cent of the retrofilled cases failed compared with 3.6 per cent in the orthograde group. The main conclusion is that retrofills should be avoided whenever possible.

Apicoectomy↗
PubMedDate not supplied

[Endosonics: a new era of endodontic therapy?].

Biomechanical instrumentation of the pulp canal is considered as an essential step in endodontic therapy. Hand instrumentation is not able to clean all of the root canal system completely, therefore endosonics has been used for cleansing and shaping the root canal space. Endosonics provides a more efficient irrigation and a stress reduction procedure. However, endosonics should not be regarded as an alternative method of debridement at present. It can be used as an adjunct for more effective root canal preparation.

Dental Cavity Preparation↗
PubMed1990

[Causes and treatment of technical accidents in endodontics].

Endodontic practice is not risk-free; a variety of technical accidents can complicate root canal treatment, influencing the prognosis and prejudicing the chances of the success. Although such events are infrequent, the author presents a review of the various types of accidents, which he examines in the light of correct diagnosis, prognosis and treatment on the basis of material collected in hospitals and private surgeries.

Dental Pulp Cavity↗
PubMedDate not supplied

[Evaluation of endodontic treatment with modified Walkhoff technique in teeth with necrotic pulp and/or periapical lesions].

A treatment has been carried out in a total of 112 dental cases with necrotic pulp and/or periapical lesions using yodoformic paste. The technique employed was that of a conventional endodontic therapy of the root and ductal filling, using yodoformic paste and gutta-percha. The clinical and radiological follow up checks, three, six and twelve months after treatment, show improvement in the periapical lesions, with bone regrowth and complete disappearance of the radio-lucity within a variable time span, depending on the gravity of the damage, but never greater than twelve months. The immediate post-operative well being and absence of complications in the majority of cases also be highlighted.

Camphor↗
PubMed1990

[Radiographic control in endodontics].

Correct endodontic treatments will be produced if the quality control of intra-operatory dental roentgengraphic displays an adequate periapical coverage. The degree of anatomic accuracy of Rx images depends on correct technical procedure which includes exposure, angulation, object-film and focal-film distance. According to many Authors only the paralleling extended-distance technique provides the minimum of dimensional distortion.

Dental Pulp Cavity↗
PubMed1990

[Physico-chemical properties of 4 endodontic sealing cements].

Four endodontic sealers were compared with two series of tests, in thin layer and in 10 mm long and 5 mm diameter rods. Under these conditions, the Pulp Canal Sealer showed the best ability to present a thin layer and the same flow than the Cortisomol. Its setting time was 15 minutes. Forty-eight hours later, the Sealite showed a very good tightness compared to the other sealers. At 30 days, the Pulp Canal Sealer and the OZn-Eugénol were the tightest ones. Less water was absorbed with the Cortisomal and the Sealite. Is there, for these sealers, any correlation between water-absorbtion and tightness?

Absorption↗
PubMed1990

Sonic and ultrasonic methods in endodontics: a clinical point of view.

The cleanliness of the root canal space depends more upon the root canal morphology than on the technique used for preparation. Sonic and ultrasonic devices can be useful systems to help facilitate several steps in endodontic therapy. These are: instrumentation of the coronal and middle thirds, instrumentation of ribbon-shaped canals, removal of foreign obstructions and obturation of the root canal space.

Foreign Bodies↗
PubMed1990

Endodontic management of the avulsed tooth and tooth transplantation.

The major causes of post-transplantation tooth loss following tooth replacement after avulsion (exarticulation) and surgical replacement of impacted maxillary canines (auto-transplantation) are inflammatory root resorption and replacement resorption (ankylosis). This paper attempts to outline the treatment and management of replanted teeth using the current philosophies of splinting, endodontic therapy and the use of calcium hydroxide in the re-attachment of the periodontal ligament (PDL). Clinical research during the past 20 years has provided sufficient information for the development and establishment of a rational and effective program of treatment.

Ankylosis↗