Evaluation of Air Abrasion Surface Pretreatment in the Repairing Capacity of Defective Composite Restoration

Not Applicable

Completed

• Conditions: Repair
• Interventions: Device: Air abrasion sandblasting aluminum oxide particles (Al2O3) AquaCare single (Velopex, Medivance Instruments Ltd., London, UK)

• Registration Number: NCT05500430
• Lead Sponsor: Cairo University

Brief Summary

This study is conducted to compare the efficacy of surface pretreatment using air abrasion sandblasting aluminum oxide particles (Al2O3) versus not pretreatment in the repair capacity of defective composite restoration indicated for repair.

Detailed Description

First the rationale for the repair, rather than the replacement of defective direct composite restorations proved a less invasive procedure with decreased tooth loss avoiding weakening and overtreatment of tooth. Less traumatic or stressful than replacement for patients with good acceptance; Increased longevity of the restoration; Reduction of potentially harmful effects on the dental pulp and Less risk of iatrogenic damage to adjacent teeth.

Secondary using surface treatment strategies aim to prepare a clean surface with high surface energy to provide better wettability with adequate surface roughness and surface area by removing the superficial layer of the aged composite which lead to increase integrity between old and new resin restoration.

Study Timeline

• Study Start: 2022-01-20
• Study First Submitted: 2022-08-11
• Study First Submitted QC: 2022-08-11
• Study First Posted: 2022-08-15
• Primary Completion: 2023-10-20
• Status Verified: 2024-02
• Study Completion: 2024-02-01
• Last Update Submitted: 2024-02-05
• Last Update Posted: 2024-02-07

Recruitment & Eligibility

• Status: COMPLETED
• Sex: All
• Target Recruitment: 39

Inclusion Criteria

• Co-operative patients approving to participate in the trial.
• patient with occlusal defects class I or class II composite resin restorations indicated for repair.

Exclusion Criteria

• Allergic history concerning methacrylate.

• Rampant caries.

  • Disabilities patient
  • Pregnancy
  • Heavy smoking.
  • Xerostomia.
  • Lack of compliance.
  • Evidence of parafunctional habits.
  • Temporomandibular joint disorders.

Study & Design

• Study Type: INTERVENTIONAL
• Study Design: PARALLEL

Arm && Interventions

Group	Intervention	Description
surface pretreatment sandblasting	Air abrasion sandblasting aluminum oxide particles (Al2O3) AquaCare single (Velopex, Medivance Instruments Ltd., London, UK)	Air abrasion sandblasting aluminum oxide particles (Al2O3) Aqua Care single (London, UK) will be done for the defective area then repairing with bioactive injectable composite, Beautiful Flow Plus X F00 (Shofu, Japan). The surface treatment for aged composite will be applied according to manufacturer instructions. Repairing with bioactive injectable composite, Beautiful Flow Plus X F00(Shofu, Japan) The material will be applied according to manufacturer instructions. After shade selection incremental insertion in layers not exceeding 2 mm and light curing for 10 sec using 3M Eliper curing unite (Elipar Deepcure-S, 3M).
Repairing with conventional nanohybrid composite	Air abrasion sandblasting aluminum oxide particles (Al2O3) AquaCare single (Velopex, Medivance Instruments Ltd., London, UK)	The nanohybrid resin composite will be applied to the the cavity using the conventional incremental technique according to manufacturer instructions.

Primary Outcome Measures

Name	Time	Method
Change in the clinical performance	Change from the baseline at 12 months	Change in the clinical performance Measured using modified USPHS criteria for clinical evaluation of restoration failure.; Measuring Unit: Scoring system (Ordinal): * Alfa; * Bravo; * Charlie; * Delta

Trial Locations

Locations (1)

Dentistry; 🇪🇬 Cairo, Egypt