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PubMedDate not supplied

Restoration and reinforcement of endodontically treated teeth with a polyethylene ribbon and prefabricated fiberglass post.

In the past it was considered appropriate to place a cast post and core in every pulpless tooth without regard to the remaining supportive tooth structure present. Recent research and the advent of adhesive bonding techniques have caused clinicians to reevaluate their restorative protocol. This article reviews the current literature with regard to restoration of the endodontically treated tooth and presents a method for restoration and reinforcement utilizing a combination of polyethylene ribbon and a prefabricated fiberglass post.

Composite Resins↗
PubMedDate not supplied

Endodontic irrigation.

This review of current research and literature investigates trends in endodontic irrigation, focusing on the goals of irrigation and the ability of different irrigants to meet these goals.

Anti-Infective Agents, Local↗
PubMedDate not supplied

Use of a bondable reinforcement fiber for post-and-core buildup in an endodontically treated tooth: a case report.

The restoration for an endodontically treated tooth should be conservative and should not increase horizontal and vertical forces. A recently developed bondable reinforcement fiber is reported to be an alternative to conventional post materials because of its esthetic qualities, mechanical properties, and the neutral color of the reinforcing material. This article describes the treatment of one patient, in whom a bondable polyethylene ribbon was used as a post-and-core build-up material.

Adult↗
PubMed2001

Evaluation of a digital measurement tool to estimate working length in endodontics.

The purpose of the study was to compare the segmental measurement tool from the Shick Technologies CDR digital system with the conventional film radiography measurement technique to determine preoperative working length. Natural extracted human teeth with varying degrees of root curvature were used. All teeth were imaged using the Shick Technologies CDR direct digital system and conventional E-speed film. Measurements from digital radiography and conventional film were compared with measurements made directly from the endodontic files. The Wilks' Lambda multivariate test was used. The mean measurement of each modality was compared with the other and with the gold standard. The test showed statistically significant differences between the two modalities at p<0.05. The mean measurements for both modalities were not significantly different from the gold standard. The modality most closely approaching the gold standard was the conventional film.

Dental Pulp Cavity↗
PubMedDate not supplied

Microleakage of temporary endodontic restorations in overdenture tooth abutments.

PURPOSE: The sealing of provisional filling material in overdenture tooth abutments during provisional rehabilitation is of primary importance to the long-term success of roots bearing gold casting copies. The aim of this in vivo study was to evaluate the microleakage of four different provisional filling materials after a period of 1 week. MATERIALS AND METHODS: Five patients needing treatment with overdenture prostheses and scheduled for the extraction of at least four teeth were chosen. After performing endodontic treatment on the roots to be extracted, a standardized cavity preparation 3 mm in depth was made using a diamond bur. Each cavity was filled with one of the four provisional materials selected for the evaluation (Cavit-W, IRM Caps, Guttapercha, Fermit-N), and the interim prostheses were delivered to the patients. After 1 week, the roots were extracted and stored for 24 hours in 0.5% basic fuchsin at 37 +/- 1 degrees C for 24 hours. Subsequently, the roots were severed and observed under a stereomicroscope for microleakage evaluation. RESULTS: The materials showed different degrees of microleakage, but none allowed dye penetration to the bottom of the cavity. IRM Caps showed the lowest mean value of dye penetration (168 microns), while Fermit-N showed the highest (1,475 microns). All materials differed from each other (P < .05). CONCLUSION: Within a period of 1 week, the materials provided acceptable to good sealing properties. All of the materials may be considered suitable for provisional fillings if they do not remain in the oral cavity for more than 1 week.

Analysis of Variance↗
PubMed2002

A new approach to restoring root-end cavity preparation in surgical endodontic procedures--a scanning electron microscopy study.

While many different restorative materials are now available for filling root-end preparations in surgical endodontic therapy, each one has drawbacks. The current study suggests that a flowable composite resin, cured by a high-power curing light in 10 seconds, may be the material of choice. The significance of coating the resected root surface with a dentin-bonding agent is also discussed.

Apicoectomy↗
PubMedDate not supplied

Inflammatory follicular cyst associated with an endodontically treated primary molar: a case report.

This is a case study of an inflammatory follicular cyst associated with an endodontically treated deciduous molar with radiographic and microscopic diagnosis. This cystic lesion represents a typical follicular cyst that arose in association with periapical inflammation from a non-vital deciduous molar and involved the follicle of the unerupted successor premolar. This paper describes the case and discusses diagnosis, histogenesis, and controversies regarding terminology.

Abscess↗
PubMed2003

Evolving technology in endodontic posts.

This article provides a brief overview of important, recent changes in the philosophy, materials, and technology that have impacted significantly on the art and science of endodontic post placement.

Biocompatible Materials↗
PubMed2003

A two-and-a-half year perspective on simplified endodontic techniques.

Simplified Endodontic Techniques (SET), along with EZ-Fill, a bidirectional spiral and epoxy root canal cement, have been used for more than 2 1/2 years. This particular sequence of instrumentation and obturation provides the dentist with predictable and easily attained success. Periapical areas demonstrate healing, and excess EZ-Fill cement is resorbing. Postoperatively, patients experience approximately 80% less pain in both occurrence and intensity. The adoption of SET, along with EZ-Fill, allows dentists to significantly increase their productivity while dramatically improving the quality of their work.

Absorbable Implants↗
PubMed2003

Strategies for managing the endodontic pain patient.

The most common form of orofacial pain is odontalgia, or toothache. This painful condition afflicts about 12-14 percent of the population, or about 2.5 million Texans (1-4). This is an important clinical challenge since our patients have high expectations for receiving the latest advances in health care, and successful pain control in endodontics is no exception. Fortunately, research has provided new approaches for delivering more effective pain control treatments in an efficient and reproducible manner. This article provides an overview of several treatment strategies for managing acute odontogenic pain; due to space limitations, interested readers are encouraged to use the references for more extensive discussions on these topics.

Analgesics↗
PubMed1999

[Test your decision making skills. When should endodontic treatment be redone?].

Research has shown wide variations in dentists' clinical attitude towards root canal treated teeth. Simulated cases are used as tools in the investigation of practitioners' clinical behavior and decision making. We therefore used simulated cases (clinical histories and radiographs) of 14 endodontically treated teeth to: (1) determine the predominant proposed treatment strategy for each case, (2) evaluate the consensus, if any, among practitioners, (3) identify pathology and dentist factors influencing the treatment choice.

Adult↗
PubMed2003

Techniques for immediate core buildup of endodontically treated teeth.

Access to the pulp chamber for endodontic treatment is indicated inter alia as a result of extensive caries, trauma to the tooth causing fracture or loss of vitality, requiring restoration of the missing tooth structure. Different approaches and materials are described in the literature for foundation restorations, either with a cast post and core or immediately, with a chairside post-and-core system. This article briefly reviews the current data regarding the microbiologic, prosthetic, mechanical, and periodontal aspects while emphasizing the immediate approach using amalgam, resin composites, and glass ionomers. Factors affecting retention of the post are presented to guide the clinician in selecting a suitable post-and-core system to preserve optimal root structure and prevent root fracture. Three clinical cases are presented in which tooth structure was restored using different techniques: in the first two, provisional acrylic resin shells, one custom made and the other prefabricated, were used to house an amalgam coronal-radicular dowel core, where in the third case, a copper band was used for a composite post-and-core system. All cases emphasize the ease of production and short chairtime in the stages of crown fabrication.

Acrylic Resins↗
PubMed2003

Endodontic retreatment: evaluating success and dealing with failures.

The outcome of endodontic treatment is not always easy to predict or assess. The ability to recognize success and evaluate the causes of failure is essential to effective root canal treatment. Utilizing recent advances in technique renders retreatment of failing cases very feasible and highly successful. These advances should also reduce the incidence of failure.

Dental Restoration Failure↗
PubMed1992

Classification and prognostic factors of endodontic-periodontic lesions in the dog.

The classification of the possible pathologic relationships between the periodontium and endodontium in man includes three separate groups. This classification system is adapted for utilization in the dog to clarify the appropriate treatment and prognosis of dog's teeth affected with endodontic-periodontic lesions. This article describes the classification and treatment planning with illustrations of each type.

Animals↗
PubMed1992

Root canal obturation using Thermafil endodontic obturators in dog teeth.

The technique of using Thermafil endodontic obturators to fill root canals in dog teeth is discussed in detail. Stainless steel carriers coated with gutta-percha were heated and inserted in instrumented canals of dog teeth. The ease of the technique is discussed and obturation efficacy is evaluated. No perfect apical seal was achieved.

Animals↗
PubMed1992

Surface tension of several drugs used in endodontics.

Surface tension of various drugs used in endodontic therapy was studied by the capillary method. Drugs of the phenol group--eugenol, paramonochlorophenol, tricresol-formalin and phenol--presented very low surface tension. The association of a detergent to the solution of calcium hydroxide reduced its surface tension by half.

Calcium Hydroxide↗