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Results for “Dental Calculus”

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At least 19 recordsLinked to original sources
PubMed1979

Possible origin of sulfated glycosaminoglycans in human dental calculus.

The sulfated glycosaminoglycans present in human dental calculus have been shown to be dermatan sulfate and chondroitin-4-sulfate. The composition suggests that the glycosaminoglycans present in calculus, particularly subgingival material, could originate as a result of associated periodontal disease since closely similar compounds have previously been identified in normal and inflamed human gingiva.

Dental Calculus↗
PubMed1976

[REM and Hommel tester studies of the dental enamel surfaces after removal of dental calculus with 2 different scalers].

Removal of gingival calculus was performed with two different scalers on teeth that had been extracted previously. Using scanning electron microscopic prints and the Hommel tester, it was demonstrated that the dental surface had obtained a clearly visible roughness. This is determined by the dental surface, the compressive strength and the characteristics of the various scalers. The use of a Tompkin reamer to smooth the surface produced even deeper criss-cross grooves than the scaler, and not a satisfactory smooth surface.

Dental Calculus↗
PubMed1978

A case report of unusual dental calculus formation.

A case is presented in which an unusual amount of intraoral calculus was seen in a 59-year-old woman. The deposits completely covered all surfaces of most teeth and extended over the facial and lingual gingivae. The relationship between certain chemical salivary parameters and heavy calculus formers is briefly described.

Calcium↗
PubMed1977

[Clinical studies on the reduction of dental calculus formation by the use of a percent HEDP containing toothpaste].

In a clinical, uncontrolled double blind test, the effect of a 1% HEDP containing toothpaste on the formation and degree of mineralization of supragingival calculus was examined in 50 subjects over two periods of three month each. Considering all subjects the HEDP-containing paste reduced the new formation of calculus by 34.1% or 41.1% depending on the method of evaluation (CS or VM index) and the mineral content by 20.3%.

Adult↗
PubMed1979

[Comparative studies of the hardness of dental calculus after the use of 2 dentifrices].

A method was described for recording the mechanical characteristics of tartar using objectively comparable test data. This method was used to study tartar which had formed when different tooth pastes were used. The results of this study indicate that 1. Tartar formed when different tooth pastes are used may exhibit different characteristics; 2. The dynamic measurement of indentation is suitable for quantitative determination of the mechanical characteristics of tartar. These mechanical characteristics have not been ascertainable until now.

Biomechanical Phenomena↗
PubMed1977

[The rational removal of dental calculus in every-day practice].

A survey of instrumental and technical scaling is followed by the representation of a pymamid-shaped sharp-edged turbine instrument (fig. 1 and 2) that permits to remove also the subgingival calculus in less time, with a good survey (due to the spray), and with less stress on the dentist than the hand instruments.

Dental High-Speed Equipment↗