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PubMed1978

Pulp-capping.

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Dental Pulp Capping↗
PubMedDate not supplied

Considerations for the direct pulp capping procedure in primary teeth: a review of the literature.

In reviewing the various studies concerning the direct pulp capping procedure in primary teeth, using rigid criteria for case selection and procedure appears to insure a significant amount of success. It is acknowledged that vital primary pulp tissue is capable of healing without resorting to complete pulpectomy, although statistically direct pulp capping has been found to be less successful in primary teeth than indirect pulp therapy or coronal amputation (pulpotomy). To achieve success for direct pulp capping in primary teeth, the considerations involve: selecting teeth with minimal or no clinical signs of pulpal inflammation; or pretreating the carious tooth with a sedative restoration before excavating the caries; disinfecting the cavity floor; enlarging the actual exposure, and flushing out dentinal debris with mild solutions; controlling bleeding by not allowing a clot to form; placing a hard-set, CaOH material over the exposure, followed by a fast-setting, zinc oxide-eugenol cement to achieve a hermetic seal; and lastly, placing a stainless steel crown to minimize microleakage and prevent a fractured or defective restoration. These procedural steps can hardly ensure complete success in direct pulp capping of a primary tooth; but, based on the many cited investigations in this review, a significant amount of success can be expected without resorting more frequently to invasive techniques. Surely the evidence presented leading to the feasibility of direct pulp capping in primary teeth merits further investigations, before dogmatically rejecting this procedure of pulp therapy.

Calcium Hydroxide↗
PubMed1977

[Decisive factors in the indication for pulp and peridontal treatment].

The explanation of the goal of pulp-periodontium treatment is followed by guidelines concerning the indication for the methods of pulp preservation (indirect capping, direct capping, pulpitis treatment by means of anaesthetics), of partial pulp preservation (vital amputation) and for pulpectomy (vital and non-vital techniques). The different passages of the paper terminate with conclusions for practice.

Administration, Topical↗
PubMed1979

[Long-term clinical supervision of direct pulp capping (performed by the students of the School of Dentistry, Geneva)].

Of 123 teeth treated by direct pulp capping 110 could be rechecked clinically and radiographically after periods of 1 1/2 to 7 years, 4 on the average. In 25 cases a change in endodontic treatment has been recorded on the files: In 18 cases biopulpectomy was performed for symptomatic (pain) reasons considered as failure of the capping treatment; in 5 cases biopulpectomy was indicated for periodontal and prosthetic reasons (not considered as failure); in 5 cases of the 110 rechecked necrosis and periapical involvement was diagnosed. The rate of failure thus was 22 cases or 17%. This relatively high ratio of unfavorable results (Tab. VII) is in part due to lack of operative skill of the students while progressing tooth morbidity statistically established in the Genevan population also was taken into account. Advancing tooth ages according to graph figure 6 in accordance with other recent surveys were found to constitute no impediment for direct pulp capping. The success of this endodontic treatment is best ascertained by observing a strict selection of the case and the observance of an exacting operative procedure, namely: - Only accidentally exposed pulps without symptoms of previous spontaneous pain (Category I) are liable to successful conservation by direct pulp capping using calcium hydroxide. Previously painful pulps (Category II) according to Table VIII are either indirectly capped using corticosteroids particularly in young teeth or after exposure subject to coronal or radicular pulpotomy (Category III). Rigorous aseptical procedure and lasting hermetical sealing of the calcium hydroxide pulp dressing are additional prerequisites for success.

Adolescent↗
PubMed1979

Endodontic treatment of primary teeth.

Endodontic treatment of primary teeth is undertaken by indirect pulp capping, direct pulp capping, formocresol pulpotomy and pulpectomy. The same treatment principles apply to both primary and permanent teeth with infected or necrotic pulps. The main differences are the use of formocresol for root canal medication and a resorbably zinc-oxide and eugenol paste for root canal obturation.

Child↗
PubMed1975

Clinical situations in which amputation is preferred to pulp capping because of biologic considerations.

Calcium hydroxide, in its various forms, has become the preferred agent of most practitioners who perform pulp capping. The application of calcium hydroxide to the pulp stimulates the growth of new dentin and protects the pulp from subsequent irritation. However, the new dentin generated by the pulp may, in turn, infringe on the pulp. If the thickness of the pulp tissue is large, this infringement will not be significant. If the volume of pulp tissue is shallow, the same amount of infringement may cause sufficient impairment of circulation to the cornal area of the pulp, leading to an area of the necrosis may then contaminate the entire pulp, and root canal therapy will become necessary. Therefore, pulpal amputation is the preferred treatment in such situations.

Calcium Hydroxide↗
PubMed1992

Preliminary studies on pulp capping with demineralized dentin.

The use of osteoinductive demineralized dentin matrix in the repair of vital pulp exposures was examined. The pulps of the maxillary first molars of adult male Long Evans rats were exposed and capped with either demineralized dentin particles or guanidinium extracted demineralized dentin particles; then covered with a glass ionomer cement restoration. The animals were sacrificed after two weeks and the maxillae were dissected free, fixed in formaldehyde and demineralized. Histologic examination revealed that in those cases where the protective glass ionomer restoration was intact, both groups showed some healing. There was some preliminary indication that the extent of reactive matrix formation was greater in the osteoinductive group. In both groups, odontoblast-like cells appeared to incorporate some of the dentin particles into the reparative dentin bridge. This preliminary work suggests that osteoinductive factors present in demineralized incisor dentin might be used to guide the formation of a dentin bridge in a rat model for vital pulp exposures.

Animals↗
PubMed1977

Microscopic study of the pulps of human teeth following vital root resection.

The effects of vital root resection upon the remaining pulp were studied in twenty-six periodontally involved human molars. The pulp was extirpated 14 days after the intervention. Granulomatous tissue present in the pulp chamber protruded from the site of the exposure as a polyp in eleven cases. Mild chronic inflammatory changes were present in the coronalmost part of the radicular pulp. The apical pulp was not affected at this time interval.

Adult↗
PubMed1978

Dens evaginatus (tuberculated cusps): genetic and treatment considerations.

This report documents the occurrence of a rare dental anomaly, dens evaginatus, in several members of a family of Guatemalan Indian descent. Previous reports on this anomaly reveal that the majority of cases have occurred in persons of Mongoloid extraction. These same reports have suggested a genetic component in the etiology of the anomaly, with most cases, however, occurring randomly. This is the first report in which the trait has been reported in successive generations. The precise mechanism of genetic transmission is still not entirely clear, although autosomal dominant inheritance is probable.

Bicuspid↗