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At least 19 recordsLinked to original sources
PubMed1976

[Testing the electric resistance as an objective diagnostic test in dental pulp diseases].

The authors test by means of a measuring device of high precision the resistence of health or sick human pulpa, comparing it to them of gums, excluding in the same time the sensibility of the patient in question. The authors corroborate the obtained dates with clinical symptomatology and the histopathological photos, discussing the possibility of objective electrical test as an expedient in the diagnosis of pulpa-affections.

Adolescent↗
PubMed1976

Influence of splints and temporary crowns upon electric and thermal pulp-testing procedures.

The influence of different splints and temporary crowns upon the reliability of electric and thermal pulp-testing procedures was examined in 10 patients with vital maxillary central incisors and 10 patients with vital maxillary central incisors and 10 patients with unilateral pulp necrosis of a central incisor. The pulp-testing procedures were: (1) Bofors Pulp Tester, (2) Siemens Sirotest, (3) heated guttapercha, (4) ice, and (5) carbon dioxide snow (Odontotest). The splints or temporary crowns were: (1) silver cap splint, (2) acrylic cap splint, (3) Hawley orthodontic plate, (4) Saur's arch bar, (5) orthodontic bands, (6) stainless steel crown, and (7) stainless steel crown with labial surface removed. A reliable electrometric pulp response could only be elicited if the pulp tester was applied directly upon enamel and preferably upon the incisal edge. In this instance metal splints or partial steel crowns applied to the tooth had no effect on the pain threshold. A false positive reaction in case of pulp necrosis was only elicited when the electrode was placed directly upon metal which contacted neighboring vital teeth. The use of ice and heated guttapercha appeared to be of limited value, due to inconsistent pulp responses. Carbon dioxide snow gave a reliable response, unless applied on the incisal edge.

Adult↗
PubMed1976

Effect of composite resin restorations in monkeys teeth with experimentally induced pulpitis.

The short- and long-term pulpal reactions to composite resin restorations using differenct cavity lining materials have been assessed in monkey teeth with experimentally induced pulpitis. The inflammation was induced by filling cavities with soft human carious dentin and amalgam for 1 week. Healing of the inflammation and formation of reparative dentin was generally found independent of the lining materials used. The long-term response to cavities restored with carious dentin and amalgam was also healing of the primarily induced pulpal inflammation in most instances.

Animals↗
PubMed1992

Use of dental instruments for bridging during electric pulp testing.

It has been suggested that dental instruments can be used as bridging instruments to facilitate electric pulp testing of teeth with extensive restorations. This study reports a clinical investigation to evaluate the effectiveness of this procedure. One hundred seventeen vital teeth in 20 volunteers were tested. Ten endodontically treated teeth functioned as controls. Following appropriate isolation and asepsis technique, baseline recordings of the threshold response with the electric pulp tester were taken. With the use of dental explorers and endodontic files to bridge between the probe tip and the tooth surface, recordings were made of the threshold responses. Findings indicate that electrically conductive dental instruments can be reliably used as bridging instruments with the electric pulp tester.

Dental Instruments↗
PubMed1992

Diagnostic procedures for evaluating pulpally involved teeth.

Pulpal and periapical problems are often difficult to diagnose because of seemingly conflicting or unclear symptoms. This difficulty increases when there is an emergency situation, and improper diagnosis can lead to improper treatment, causing distress to both the patient and clinician. Because the histopathologic condition of the pulp cannot be determined with clinical means or other diagnostic data, the clinician should focus on making an accurate clinical diagnosis using the patient's history and description of pain, clinical examination, and various diagnostic tests. This review discusses these factors and stresses the importance of making an accurate diagnosis.

Dental Pulp Diseases↗
PubMedDate not supplied

Thermal pulp testing.

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Cold Temperature↗
PubMed1976

Vitality testing.

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Dental Pulp Test↗
PubMed1975

A longitudinal study on electrical pulp testing following Le Fort type osteotomy and Le Fort type fracture.

A longitudinal study of electrical pulp testing was carried out in 27 cases, or 53 maxillary halves following Le Fort type fractures and Le Fort type osteotomies. On the average, most teeth required positive responses around 7 months or around 11 months afterwards. The central and lateral incisor teeth demonstrated poor results; only 8 percent and 36 percent responded positively at 8 months, and at 14 months, 23 per cent and 50 per cent, respectively. The overall percentage of responsive teeth was 29 percent at 6 months and 85 percent at 14 months. These results are discussed and compared with those of segmental maxillary osteotomy, together with the value of pulp testing in the diagnosis in fracture and osteotomy.

Adolescent↗
PubMed1992

Dual wavelength spectrophotometry as a diagnostic test of the pulp chamber contents.

The purpose of this in vitro study was to determine the feasibility of using dual wavelength spectrophotometry to identify teeth with pulp chambers that are either empty, filled with fixed pulp tissue, or filled with oxygenated blood. In phase I of the experiment, a human third molar was prepared so that its pulp space could be filled with oxygenated blood and later emptied. In phase II, the lower jaw of a beagle dog was removed and placed in formalin, thereby fixing the pulps of the teeth. The pulp of the right canine was removed via an apical approach, and attachments were placed in a similar position to those on the human tooth, to allow filling and emptying of the pulp space. Cavit was placed over the exposed fixed pulp in the left canine. Ten readings, which were separated by light source and detector removal and replacement, were taken of the right canine pulp space when it was empty or filled with oxygenated blood, or the left canine pulp space when it was filled with fixed tissue. Distinct and reproducible changes were measured for pulp spaces filled with air, tissue, or oxygenated blood. In phase III, simulated pulp testing on a dog tooth model was performed. Blood was introduced into the root canal space, the chamber was rinsed with water and replaced with air, according to a predetermined code. Spectrophotometer readings were recorded. The identification of pulpal contents was correctly determined in all 20 of the predetermined conditions. The findings indicate that continuous wave spectrophotometry may become a useful pulp testing method.

Animals↗