渗透树脂对早期釉质龋的防治效果观察

doi:10.13591/j.cnki.kqyx.2023.10.002

Abstract

Abstract:

Objective To evaluate the utility of Icon in preventing early enamel caries and provide a theoretical and laboratory research basis to cure early enamel caries in a safe, effective, easy and feasible way. Methods In the present study, 110 premolars of patients aged 10-25 who underwent orthodontic treatment were included. The artificial caries samples were established with an acid gel. The atomic absorption spectrophotometer was used to detect concentration of Ca²⁺in an acid solution and the anti-acid effect of enamel surface with Icon, fluoride protector and sodium fluoride was evaluated. The scanning electron microscope was used to observe ultrastructure of enamel surfaces and the longitudinal profile and then the blocking effect of demineralization zone with Icon was evaluated. Results The measurement results of Ca²⁺ concentration showed that the Ca²⁺ release levels in the Icon group, fluoride protector group, and sodium fluoride group were (6.432±1.867), (31.208±7.784), and (41.176±3.512)μg/mL, respectively. The Ca²⁺release in the resin infiltration group was significantly lower than that in the fluoride protector group and sodium fluoride group, with statistically significant difference (P<0.01). SEM observations revealed that the enamel surface in the Icon group exhibited a complete and relatively smooth material coverage. Icon formed a thin resin film on the enamel surface and penetrated well into the porous demineralized areas, forming a dense mesh-like network. Fluoride protector and sodium fluoride groups exhibited a fractured glass-like crystalline structure on the enamel surface, with significantly larger void diameters compared to the Icon group. Conclusion Icon can inhibit enamel demineralization effectively and enhance the acid resistance of enamel surface. It is better than fluoride protector and sodium fluoride.

Key words: dental caries, enamel caries, sodium fluoride, fluoride protector, infiltrated resin, acid resistance

CLC Number:

R788.1

LIU Xin, HUANG Yinzhu, JIN Chengri. Observation of Icon on early enamel caries prevention and treatment[J]. Stomatology, 2023, 43(10): 872-877.

Figures/Tables 6

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References 22

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分组	n	Ca²⁺/(μg/mL)
渗透树脂组(A组)	20	6.432±1.867^abcd
氟保护漆组(B组)	20	31.208±7.784^abce
氟化钠组(C组)	20	41.176±3.512^abde
阳性对照组(D组)	20	77.616±10.789^bcde
阴性对照组(E组)	20	0.109±0.535^acde

Observation of Icon on early enamel caries prevention and treatment

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