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PubMed1984

Classification and diagnosis of pulpal pathoses.

The purpose of this article has been to review some concepts regarding the histophysiology and histopathology of the pulpodentinal complex and the "language of classification." Although there may not be agreement on the "language" presented here, there can be no disagreement that from a clinical perspective, knowledge and appreciation of the ideas presented can be helpful in determining pathologic presence. In reaching the ultimate clinical decision, the following questions must be answered: Are we dealing with a pulpal disease that is potentially reversible? If treatment is necessary do we treat the pulp or the pulp canal?

Atrophy↗
PubMed1984

Intracanal medicaments.

Intracanal medicaments in endodontics have been used for a number of reasons both in the past and currently. These include the elimination or reduction of microorganisms, rendering canal contents inert, prevention of post-treatment pain, and to enhance anesthesia. The chemical nature of medicaments employed are varied; they come from a number of different groups. Often, different chemicals or drugs are combined in a "cocktail" in an attempt to elicit a variety of effects with a single application. After reviewing in vivo and in vitro research, there is a decided lack of evidence of the clinical effectiveness of intracanal medicaments, with the exception of steroids for prevention of pain. What is clear from the research, is the toxicity and potential allergenicity of the commonly used intracanal medicaments, particularly those of the phenolic and aldehyde derivatives. Ready accessibility to periapical tissues and systemic circulation raises serious doubts as to whether their use is safe. It is also unlikely that most medicaments enhance clinical success. Considering the research, the findings of which are reinforced by clinical experience, intracanal medicaments are primarily useless. The one exception is intracanal or systemic steroids. They are effective in reducing the incidence of post-treatment pain.

Anesthesia, Dental↗
PubMed1978

[Dental receptor projections to the sensomotor zone of the rabbit cerebral cortex].

Topic organization of the dental representation was studied in experiments on rabbits by the method of induced potentials. Every tooth proved to be locally represented in the sensory-motor zone of the brain cortex. These zones do not overlap in the case of stimulation of the threshold strength. Topic dental projection region occupies a territory including fields Par I, Praecag, Preacgr, and PC.

Animals↗

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