Evaluation of the bisphenol released in the saliva after residual adhesive removal in orthodontic patients by using ultrasonic scaling and rotary system: A single-center randomized clinical trial

Bisphenol A (BPA) is a substance commonly used in dental materials with noxious properties. Monomers of this substance may be dissolved in the saliva and cause adverse effects. This study aimed to evaluate the amount of BPA released in the saliva after residual adhesive removal in orthodontic patien...

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Bibliographic Details
Published in:American journal of orthodontics and dentofacial orthopedics 2023-02, Vol.163 (2), p.148-153
Main Authors: Seifi, Sara, Mirzakouchaki, Behnam, Rafighi, Ali, Aghanejad, Ayuob, Hamidi, Ali Asghar, Shahrbaf, Shirin
Format: Article
Language:English
Subjects:
Dental Bonding
Dental Cements - chemistry
Humans
Iran
Orthodontic Brackets
Resin Cements - analysis
Resin Cements - chemistry
Saliva - chemistry
Ultrasonics
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Summary:Bisphenol A (BPA) is a substance commonly used in dental materials with noxious properties. Monomers of this substance may be dissolved in the saliva and cause adverse effects. This study aimed to evaluate the amount of BPA released in the saliva after residual adhesive removal in orthodontic patients using an ultrasonic scaler (US) and tungsten carbide bur (TCB). This single-center randomized clinical trial was conducted on 40 subjects whose stainless-steel brackets were bonded directly with light-cured bonding and composite. The subjects were randomly divided into 2 equal groups (n = 20) of TCB or US according to the adhesive removal method. The salivary BPA level was determined using high-performance liquid chromatography-mass spectrometry. And adhesive cleaning time was measured by a stopwatch. Data were analyzed by SPSS using an independent t test and paired-samples t test (P 
ISSN:0889-5406
1097-6752
DOI:10.1016/j.ajodo.2022.06.023