Preventive effects of carbon dioxide laser and casein phosphopeptide amorphous calcium phosphate fluoride varnish on enamel demineralization: A comparative, in vitro study

Q1 Medicine Journal of Investigative and Clinical Dentistry Pub Date : 2019-01-28 DOI:10.1111/jicd.12400

Moufida Abufarwa, Amal Noureldin, Taha Azimaie, Phillip M. Campbell, Peter H. Buschang

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引用次数: 3

Abstract

Aim

The aim of the present study was to compare the effects of carbon dioxide (CO₂) laser and casein phosphopeptide amorphous calcium phosphate (CPP-ACP)fluoride varnish on enamel demineralization.

Methods

Human teeth were randomly assigned to three groups. The enamel was treated with fluoride varnish, 10.6 μm CO₂ laser, or no treatment (control), followed by 9 days of pH cycling. Baseline and final FluoreCam images were used to quantify the area, intensity, and impact of demineralization; cross-sectional microhardness was used to measure the mechanical properties of the enamel.

Results

There were statistically-significant changes in the area, intensity and impact of demineralization in the control and laser groups (P < 0.05), but not in the fluoride group. The control group showed a significantly greater area and impact of enamel demineralization compared to the fluoride group. The area of demineralization in the laser group was significantly greater than that of the fluoride group. Enamel demineralization of the laser and control groups was comparable. The fluoride group showed statistically-significant harder enamel than the control at 20, 40, and 60 μm depths; the laser group enamel was significantly harder than the control at 20 and 40 μm depths. The fluoride group showed statistically-significant harder enamel than the laser group at 20 μm depth.

Conclusions

CPP-ACP fluoride varnish is more effective than CO₂ in preventing enamel demineralization.

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二氧化碳激光与酪蛋白磷酸肽无定形磷酸钙氟化漆预防牙釉质脱矿效果的体外比较研究

目的比较二氧化碳(CO2)激光与酪蛋白磷酸肽无定形磷酸钙(CPP-ACP)氟化漆对牙釉质脱矿的影响。方法将人牙随机分为3组。牙釉质分别用氟化物清漆、10.6 μm CO2激光处理或不处理(对照组)，然后进行9天的pH循环。基线和最终FluoreCam图像用于量化脱矿的面积、强度和影响;采用横截面显微硬度法测定牙釉质的力学性能。结果对照组和激光组脱矿面积、强度及影响差异均有统计学意义(P <0.05)，但不属于氟基团。与氟组相比，对照组的牙釉质脱矿面积和影响明显更大。激光组脱矿面积明显大于氟组。激光组与对照组牙釉质脱矿效果相当。氟组在深度为20、40和60 μm时牙釉质硬度显著高于对照组;激光组牙釉质在深度为20 μm和40 μm时硬度明显高于对照组。在20 μm深度处，氟组牙釉质硬度明显高于激光组。结论CPP-ACP氟化清漆预防牙釉质脱矿的效果优于CO2。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Journal of Investigative and Clinical Dentistry DENTISTRY, ORAL SURGERY & MEDICINE-

CiteScore

3.90

自引率

0.00%

发文量

期刊介绍： Journal of Investigative and Clinical Dentistry (JICD) aims to publish quality, peer reviewed original research and topical reviews on all aspects of investigative and clinical dentistry and craniofacial research, including molecular studies related to oral health and disease. Although international in outlook, the Editor especially encourages papers from the Asia Pacific. The journal also aims to provide clinicians, scientists and students of dentistry with a knowledge transfer platform for rapid publication of reports through an international journal, which will be available free online until 2012. Its scope, therefore, is broad, inclusive and international, but with a particular focus on Asia Pacific. The Editor welcomes manuscripts in the following key thematic areas in oral and maxillofacial sciences: Community Dentistry and Oral Epidemiology, Conservative Dentistry, Dental Biomaterials, Dental Pedagogy, Endodontics and Traumatology, Implant Dentistry, Oral Biosciences, Oral and Maxillofacial Surgery, Oral Medicine, Oral Pathology and Oral Microbiology, Orthodontics, Oral Radiology, Oral Rehabilitation, Paedodontics, Periodontology and Periodontal Medicine.

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