Thesis (M.Sc.) - Cairo University - Faculty of Oral and Dental Medicine - Department of Operative Dentisty

Background and aims: White spot lesions are the only carious process lesions that can be remineralized non-invasively. The focus of modern dentistry is stopping the caries process without unnecessary damaging the tooth structure. The present clinical trial aimed to assess the remineralizing effect of eggshell powder (ESP) compared to Casein Phosphopeptide-Amorphous Calcium Phosphate (CPP-ACP) in carious post-orthodontic white spot lesions orthodontic treatment. Materials and Methods: Twenty-Four patients were selected from the Clinic of Orthodontic Dentistry Department, Faculty of Dentistry, Cairo University. Patients were divided into two groups according to the treatment received either ESP gel or CPP-ACP paste (GC Tooth-Mousse). The participants were instructed to use pea size eggshell powder gel or GC Tooth Mousse on the teeth surfaces using a clean finger twice daily after brushing their teeth with Colgate Total Original Care toothpaste. WSLs were assessed at baseline, 1 month, 3months and 6 months by DIAGNOdent (Kavo, Germany) Results: Data were analyzed using Two-way ANOVA showed that there was no statistically significant difference in overall DIAGNOdent mean readings between ESP and GC Tooth Mousse groups at (P=0.136).Conclusion: Based on the data obtained in this study, it is suggested that ESP is effective and has a promising future in the treatment of post-orthodontic WSLs

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