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7至9岁儿童恒牙中复合聚甲基丙烯酸酯和有机陶瓷作为窝沟封闭剂的比较评估

Comparative Assessment of Compomers and Ormocers as Pit and Fissure Sealants in Permanent Molars among Children Aged 7-9 Years.

作者信息

Saravanan Saraswathy M, Srinivasan Daya, Eagappan Ar Senthil, Priyal S Divya

机构信息

Department of Pediatric and Preventive Dentistry, Chettinad Dental College and Research Institute, Chennai, Tamil Nadu, India.

出版信息

Int J Clin Pediatr Dent. 2024 Jul;17(7):742-747. doi: 10.5005/jp-journals-10005-2954.

Abstract

INTRODUCTION

In recent years, the dental profession's focus has shifted from the therapeutic to the preventive aspect of dental caries. Pit and fissure sealants, optimal fluoridation, healthy dietary habits, and good oral hygiene have been recommended for caries prevention. Many sealant materials are available on the market. Compomers are hybrid dental materials that are modified composite resins with polyacids. The esthetic properties of traditional composite systems are combined with the fluoride-releasing and adhesive properties of glass ionomer cement (GIC). Organically modified ceramic (Ormocer) material has high abrasion resistance and better aesthetics, similar to natural teeth.

AIM

To compare the sealing ability of compomer and ormocer as pit and fissure sealants in permanent mandibular first molars of 7-9-year-old children.

MATERIALS AND METHODS

A cross-sectional study with a split-mouth design was conducted on 88 children aged 7-9 years who attended the Department of Pediatric and Preventive Dentistry. Children were selected based on the inclusion and exclusion criteria. By tossing a coin, the placement of sealant material was selected for the right permanent first molar. Rubber dam isolation was done. The tooth surface was etched and washed. The respective sealants were applied. Sealants were cured with visible light, and occlusion was checked with articulating paper. Subsequently, the second sealant was placed in the next appointment, following the same clinical procedure in the opposite quadrant. Clinical evaluation was done at 3, 6, and 9 months for retention, marginal integrity, color match, wear, and presence of caries. The criteria were graded and rated as alpha, beta, and charlie based on modified Ryge United States Public Health Service (USPHS) criteria. All the data were statistically analyzed using Statistical Package for the Social Sciences (SPSS) software 20.0.

RESULTS

The retention rate of ormocer at the 9-month review interval was 88.3%. There was a statistically significant difference in retention rates between compomer and ormocer ( = 0.003). The marginal integrity and wear of ormocer at the 9-month review interval were 84.4% compared with compomer, which was statistically significant with = 0.010 and = 0.035, respectively. Children with the fewest caries belonged to the ormocer group ( = 0.010) compared to the compomer group.

CONCLUSION

Children with ormocer as a pit and fissure sealant showed good retention, remarkable marginal integrity, absence of wear, and fewer dental caries compared to compomer sealants. Hence, ormocer-based sealants can be used in pediatric dental practice to protect children's oral hygiene and promote a healthy lifestyle.

HOW TO CITE THIS ARTICLE

Saravanan SM, Srinivasan D, AR SE, Comparative Assessment of Compomers and Ormocers as Pit and Fissure Sealants in Permanent Molars among Children Aged 7-9 Years. Int J Clin Pediatr Dent 2024;17(7):742-747.

摘要

引言

近年来,牙科行业对龋齿的关注已从治疗方面转向预防方面。窝沟封闭剂、最佳氟化处理、健康的饮食习惯和良好的口腔卫生习惯已被推荐用于预防龋齿。市场上有许多封闭剂材料。复合聚酸类材料是一种混合牙科材料,是用多元酸改性的复合树脂。传统复合树脂体系的美学性能与玻璃离子水门汀(GIC)的释氟和粘结性能相结合。有机改性陶瓷(Ormocer)材料具有高耐磨性和更好的美学效果,类似于天然牙齿。

目的

比较复合聚酸类材料和有机改性陶瓷作为窝沟封闭剂在7 - 9岁儿童恒下颌第一磨牙中的封闭能力。

材料与方法

对88名7 - 9岁到儿童口腔预防科就诊的儿童进行了一项采用分口设计的横断面研究。根据纳入和排除标准选择儿童。通过抛硬币的方式选择右侧恒第一磨牙进行封闭剂材料的放置。进行橡皮障隔离。对牙面进行酸蚀和冲洗。应用相应的封闭剂。用可见光固化封闭剂,并用咬合纸检查咬合情况。随后,在下次就诊时,在对侧象限按照相同的临床操作放置第二种封闭剂。在3个月、6个月和9个月时进行临床评估,检查封闭剂的保留情况、边缘完整性、颜色匹配度、磨损情况以及龋齿的存在情况。根据改良的美国公共卫生服务(USPHS)的Ryge标准,将这些标准分为α、β和γ级并进行评分。所有数据均使用社会科学统计软件包(SPSS)20.0进行统计学分析。

结果

在9个月的复查间隔期,有机改性陶瓷封闭剂的保留率为88.3%。复合聚酸类材料和有机改性陶瓷封闭剂的保留率之间存在统计学显著差异(P = 0.003)。在9个月的复查间隔期,有机改性陶瓷封闭剂的边缘完整性和磨损情况分别为84.4%,与复合聚酸类材料相比具有统计学显著性,P值分别为0.010和0.035。与复合聚酸类材料组相比,龋齿最少的儿童属于有机改性陶瓷封闭剂组(P = 0.010)。

结论

与复合聚酸类材料封闭剂相比,使用有机改性陶瓷作为窝沟封闭剂的儿童显示出良好的保留率、显著的边缘完整性、无磨损且龋齿较少。因此,基于有机改性陶瓷的封闭剂可用于儿童牙科实践,以保护儿童的口腔卫生并促进健康的生活方式。

如何引用本文

Saravanan SM, Srinivasan D, AR SE, 7 - 9岁儿童恒牙中复合聚酸类材料和有机改性陶瓷作为窝沟封闭剂的比较评估。《国际临床儿科牙科学杂志》2024;17(7):742 - 747。

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