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Chemosphere v.172, 2017년, pp.46 - 51   SCI SCIE SCOPUS
본 등재정보는 저널의 등재정보를 참고하여 보여주는 베타서비스로 정확한 논문의 등재여부는 등재기관에 확인하시기 바랍니다.

Salivary bisphenol A levels and their association with composite resin restoration

Lee, Jung-Ha (Department of Preventive and Community Dentistry, School of Dentistry, Pusan National University, Republic of Korea ); Yi, Seung-Kyoo (Department of Preventive and Community Dentistry, School of Dentistry, Pusan National University, Republic of Korea ); Kim, Se-Yeon (Department of Preventive and Community Dentistry, School of Dentistry, Pusan National University, Republic of Korea ); Kim, Ji-Soo (Department of Preventive and Community Dentistry, School of Dentistry, Pusan National University, Republic of Korea ); Son, Sung-Ae (Department of Conservative Dentistry, School of Dentistry, Pusan National University, Republic of Korea ); Jeong, Seung-Hwa (Department of Preventive and Community Dentistry, School of Dentistry, Pusan National University, Republic of Korea ); Kim, Jin-Bom (Department of Preventive and Community Dentistry, School of Dentistry, Pusan National University, Republic of Korea );
  • 초록  

    Abstract Composite resin has been increasingly used in an effort to remove minimal amount of tooth structure and are used for restoring not just carious cavities but also cervical abrasion. To synthesize composite resin, bisphenol A (BPA) is used. The aim of the study was to measure the changes in salivary BPA level related with composite resin restoration. ELISA was used to examine the BPA levels in the saliva collected from 30 volunteers whose teeth were filled with composite resin. Salivary samples were collected immediately before filling and 5 min and 7 d after filling. Wilcoxon signed-ranks test and linear regression were performed to test the significant differences of the changes in BPA levels in saliva. Before a new composite resin filling, there was no significant difference between with and without existing filling of composite resin and BPA level in the saliva was not correlated to the number of filled surfaces with composite resin. However, BPA level in the saliva increased to average 3.64 μg/L from average 0.15 μg/L after filling 5 min. BPA level increased in proportion with the number of filled surfaces. BPA level decreased to average 0.59 after filling 7 d. However it was higher than the BPA level before a new composite resin filling. Considering 50 μg/kg/day as the Tolerable Daily Intake of BPA suggested by European Food Safety Authority, the amount of BPA eluted in saliva after the composite resin filling is considered a safe level that is not a hazard to health at all. Highlights The level of BPA in saliva collected 5 min after filling procedure was 3.64 μg/L. The level of BPA in saliva 7 d after filling procedure was 0.59 μg/L, which was lower compared to level 5 min after procedure. On the basis of the EFSA criterion, level of BPA after filling procedure was assessed as safe and found not harmful to health.


  • 주제어

    Bisphenol A .   Dental composites .   Endocrine disruptor .   Pit and fissure sealant .   Saliva.  

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