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Biomedical subjects

J I Ingle

Publications and source records attributed to J I Ingle.

At least 19 recordsLinked to original sources

A new paradigm for filling and sealing root canals.

The first recorded root canal filling was placed 2,200 years ago. However, a plethora of new types of canal-filling materials and techniques have been introduced very recently, which are described and discussed in this article. Many of these new techniques (thermomechanical compaction and thermoplasticized gutta-percha) are variations of the vertical compaction of warm gutta-percha. Others are combinations of gutta-percha techniques and silver points (Thermafil, Densfil). Apical third and injection-type fillings are also available. This article also discusses the future of canal fillings, including calcium phosphate cements and dentin adhesives.

Calcium Hydroxide↗

Mineral trioxide aggregate: a review of a new cement.

The most common materials in endodontics are gutta-percha and sealer. For certain tasks, however, such as repairing perforations or filling apical preparations, a special-purpose material is needed. The "ideal" special-purpose material in endodontics is still elusive. Most of the materials available today have found their way into endodontics from the restorative field without much consideration of the special conditions and requirements of the periradicular tissues. To address some of the these shortcomings, a material called Mineral Trioxide Aggregate cement (MTA) has been developed at Loma Linda University to seal off the pathways of communication between the root canal system and the external surface of the tooth. At LLU, a series of experiments have been conducted to assess the suitability of this new cement. The experiments began with physical properties of the material and biocompatability studies, followed by clinical studies. The results have been promising, offering for the first time the possibility of regeneration rather than just repair.

Aluminum Compounds↗

Influence of bony resorption on endodontic treatment.

A review of prognosis studies has examined success rates between samples of teeth, both with and without radiolucent lesions, treated conventionally. The presence of a lesion predisposes the endodontic case to a lower success rate. On the basis of experimental data on the use of calcium hydroxide, investigation of increasing success with placement of calcium hydroxide in the canals of teeth with periapical lesions for 3 to 10 months prior to conventional filling is proposed.

Alveolar Process↗

Patient consent procedures for dental care.

Informed consent is a poorly developed concept in dentistry. The dentist should initiate discussion on the information reasonable patients may need to make a decision on a specific treatment or on whether they will accept treatment from that particular dentist. As a minimum, dentists should be required to explain the treatment, benefits, and probable complications as well as possible alternatives. Increasingly, malpractice actions are being decided on these grounds and, thus far, little guidance is available to conscientious dental practitioner.

Delivery of Health Care↗