The aim of this study is to investigate the retention, marginal integrity and potential to prevent lesion progression of a bioactive resin material compared to a conventional resin-based flowable composite during management of initial carious lesion in adult population over an 18 months period.
Bio-active resin materials aim to possess the mechanical properties of resin materials in terms of higher wear resistance and dimensional stability over time. They also aim to mimic the biological activity of glass ionomers in terms of ion recharge and release. These new bio-active resin materials, with their lower particle size and better adaptability and polishability, might offer a substantial addition as fissure sealants if they fulfil the requisities satisfactory mechanical properties of resins and of ion recharge and release of glass ionomers. The study will be conducted on demineralized fissures of permanent molars by application of a newly introduced giomer in one group while the other group will recieve a conventional resin material where they will be assessed for retention, marginal integrity and caries progression.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
DOUBLE
Enrollment
20
The materials will be applied to the demineralized fissures as stated in manufacturer's instructions
Retention
The sealing materials will be assessed for complete, partial or no retention. The assessment will be carried out by visual and tactile assessments and calculated as a percentage of the total sample.
Time frame: 18 months
Marginal integrity
The materials margins will be assessed for their marginal seal using FDI criteria using a WHO probe. Scoring will be made from 1-5 by FDI criteria then statistically analyzed
Time frame: 18 months
Caries progression
The demineralized fissures will be monitored for caries arrest or progression. The assessment will be made by ICDAS II criteria comparing the scores from baseline.
Time frame: 18 months
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