EFFECT OF CARBAMIDE PEROXIDE TREATMENT ON THE ION RELEASE OF DIFFERENT DENTAL RESTORATIVE MATERIALS
Main Article Content
Keywords
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Abstract
Background:
Carbamide peroxide is widely used in dental bleaching procedures, which raises concerns about its impact on dental restorative materials. Restorative materials such as resin composites, glass ionomer cements, and dental amalgam are susceptible to degradation under bleaching treatments, potentially leading to ion release that may affect the material's structural integrity and pose health risks.
Objective:
This study aimed to evaluate the effect of 10% carbamide peroxide on ion release from three commonly used dental restorative materials: resin composite, glass ionomer cement, and amalgam.
Methods:
This experimental study evaluated the effect of 10% carbamide peroxide on ion release from three dental restorative materials: resin composite (Filtek Z350), glass ionomer cement (Ketac Molar Easymix), and amalgam (Dispersalloy). Thirty disc-shaped specimens (10 per material) were prepared, polished, and stored in deionized water at 37°C. The specimens were exposed to carbamide peroxide, and ion release was measured on days 1, 7, and 14. Fluoride, calcium, and mercury were the primary ions measured using ion-selective electrodes (ISE) and atomic absorption spectrophotometry (AAS).
Results:
Carbamide peroxide treatment significantly increased ion release from all restorative materials. Fluoride release from glass ionomer cement, calcium from resin composite, and mercury from amalgam were observed to peak at day 7. Amalgam showed the highest ion release, particularly mercury. Statistical analysis revealed significant differences (p < 0.05) between the test and control groups, confirming that carbamide peroxide accelerates ion release, with different materials exhibiting varying levels of degradation.
Conclusion:
Carbamide peroxide treatment accelerates ion release from restorative materials, potentially compromising their durability and safety. Further research is necessary to assess the long-term effects of bleaching agents on dental restorations.
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Dr.Ahmad Waleed
Bachelor of Dental Surgery (BDS), University of Health Sciences Lahore.
Dr. Samra Bokhari
BDS, FCPS. M Orth (Uk-Edinburgh), MBA (HHCM), CHPE, PhD Scholar Jinnah Sindh MedicalUniversity.
Senior Registrar, Department of Orthodontics, Institute National Institute of Child Health Karachi
samrabokhari@gmail.com
Dr. Nauman Shirazi
Demonstrator, Karachi Medical and Dental College Karachi Metropolitan University.
Dr.Nida Mir
Masters in Healthcare and Hospital Management HHCM,Jinnah Sindh Medical University
Dr.Sana Adeeba Islam
MSc (UK),BDS,CHPE Associate Professor, Head Of Department Community Dentistry Karachi Medical and Dental College Karachi Metropolitan University.
Dr.Nadeem Khan
BDS, MCPS Family Dentistry (R), CIMS Dental College, Multan.
Dr Nabeel Khan
BDS PGD MS, Assistant Professor, Oral Biology Department Karachi Medical and Dental College, Karachi Metropolitan University.