ANTICARIOGENCI EFFECT OF COMPOMER AND RMGIC

Sung-Ho Park

doi:10.5395/JKACD.2002.27.1.12

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Park: ANTICARIOGENCI EFFECT OF COMPOMER AND RMGIC

Original Article

J Korean Acad Conserv Dent 2002;27(1):12-15.

Published online: 14 January 2002

DOI: https://doi.org/10.5395/JKACD.2002.27.1.12

ANTICARIOGENCI EFFECT OF COMPOMER AND RMGIC

Sung-Ho Park

Department of Conservative Dentistry, College of Dentistry, Yonsei University

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

ABSTRACT

The first purpose of present study was to compare the anticariogenic effect of compomer, resin modified glass ionomer cement and composite (RMGIC).

The second purpose was to evaluate the recently introduced methods, which use confocal scanning microscope, in detecting initial caries around restoration.

2×4×1.5mm cavities were prepared from the recently extracted 50 human teeth on the buccal or lingual surface. The prepared teeth were randomly devided into 5 groups and restored with each filling material. Group 1: Dyract AP, Group 2: compoglass F, Group 3: F2000, Group 4: Z100, Group 5:Fuji Ⅱ LC. The teeth were stored for 30 days in the distilled water, then stored in the buffer solution for artificial caries development; pH 4.3, lactic acid 100 mM, calcium 16 mM, phosphate 8mM, sodium azide 3mM. Then, the samples were sectioned longitudinally and examined with confical scanning microscope. The results showed that the use of compomer and resin modified glass ionomer cement showed caries inhibition zone whereas the composite did not. There was no difference in the width of caries inhibition zone between compomers and RMGIC. The confocal scanning microscope was useful in detecting initial caries around restoration.

Keywords: Compomer, RMGIC, Fluoride, Anticariogenic effect

References

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Fig. 1.

Confocal image (X100) of tooth which was restored with Z100 and stored in demineralizing solution. The artificial caries extends to the restoration.

R: Restoration, C: Caries, T: Tooth

Fig. 2.

Confocal image (X100) of tooth which was restored with Fuji Ⅱ LC or Compomers. and stored in demineralizing solution. The artificial caries extends short of restoration.

R: Restoration, C: Caries, T: Tooth

Fig. 3.

Confocal image (X100) of tooth which was restored with Fuji Ⅱ LC or Compomers. and stored in demineralizing solution. The artificial caries extends short of restoration

R: Restoration, C: Caries, T: Tooth

Table 1.

Materials used in this study.

Group	1	Prime & Bond NT	Dyract
	2	Excite	Compoglass
	3	Single Bond	F2000
	4	Single Bond	Z100
	5	Fuji	II LC

Table 2.

Depth of artificial caries and width of caries inhibition zone. (um)

		Depth of artificial caries	Width of caries inhibition zone
Group	1	120(60)	-
	2	100(50)	120(100)
	3	90(60)	140(100)
	4	100(60)	150(80)
	5	100(60)	160(100)

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