Deep marginal elevation usinge a bioactive dental material in deep subgingival Class II restorations, S-PRG filler-containing materials offer significant benefits due to their bioactive properties, Their ability to release fluoride, remineralization potential and acid neutralization, reducing the risk of recurrent caries, particularly at the gingival margin(Imazato et al. 2023). The antibacterial and antifungal effects help inhibit biofilm formation, enhancing the longevity of restorations. Additionally, these materials support better marginal adaptation by reducing microleakage and improving bond durability (Imazato et al. 2023) This type of composite may improve the outcomes of deep subgingival margin elevation, benefiting both restorative success and periodontal health(Imazato et al. 2023).
Adults patients (20-50)
Good oral hygiene (plaque index 0 or 1 )
Patient approving to participate in the study
Absence of parafunctional habits and/or bruxism
• Patients with known allergic or adverse reaction to the tested materials.
Systematic disease that may affect participation.
Xerostomic patients.
Bad oral hygiene (plaque index 2 or 3 )
Single group
Assigned Interventions
Other interventionSDR Smart dentine replacement material nonbioactive
Recurrent caries
* 0: no evidence of caries continuous along the margin using periapical radiograph. * 1: caries evident continuous with the margin of restoration
Fracture of Restoration
* 1: Restoration is intact and fully retained. * 2:Restoration is partially retained with some portion of the restoration still intact. * 3:Restoration is completely missing
Post- operative sensitivity
* 1: Absent * 2: Present
Bleeding on Probing
* 0 :Healthy gums * 1 :Bleeding on probing
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