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Aesthetic Masking and Resin Infiltration Time in MIH-affected Incisors
Sponsor: Alexandria University
Summary
Background: Resin infiltration often shows unpredictable outcomes in teeth affected by molar incisor hypomineralisation (MIH) due to variable enamel porosities, hypermineralised surface layers, and elevated protein content. Different pretreatment modalities alongside modified resin infiltration protocols have been suggested to enhance aesthetic masking and the required resin infiltration time. Aim: To compare the effectiveness of transillumination-guided 5.25% NaOCl pretreatment following macroabrasion, with macroabrasion alone, each with 10-second hydrochloric acid (HCl) etching intervals, on aesthetic masking and resin infiltration time required in MIH-affected incisors.
Official title: Effectiveness of Transillumination-Guided Surface Pretreatment on Aesthetic Masking and Resin Infiltration Time in MIH-affected Incisors (A Randomised Clinical Trial)
Key Details
Gender
All
Age Range
8 Years - 13 Years
Study Type
INTERVENTIONAL
Enrollment
100
Start Date
2026-08-10
Completion Date
2027-03-30
Last Updated
2026-08-07
Healthy Volunteers
No
Conditions
Interventions
macroabrasion followed by oxidative pretreatment
Fine-grit aluminum oxide finishing stone under water coolant, using a high-speed handpiece to remove the superficial enamel layer, then 5.25% sodium hypochlorite will be applied to the labial lesion surface and agitated with a microbrush for one minute, then rinsed for 20 seconds.
macroabrasion alone
Fine-grit aluminum oxide finishing stone under water coolant, using a high-speed handpiece to remove the superficial enamel layer,
Locations (1)
Outpatient Clinic of Pediatric dentistry, Faculty of dentistry, Alexandria University, Egypt
Alexandria, Egypt