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Three Approaches of Resin Infiltration for MIH Incisor Opacities

NCT07715370 · Status: COMPLETED · Phase: NA · Type: INTERVENTIONAL · Enrollment: 63

Last updated 2026-07-20

No results posted yet for this study

Summary

Molar incisor hypomineralization (MIH) is a condition which involves enamel hypomineralization of one to four first permanent molars with or without permanent incisors. Affected permanent incisors present with demarcated enamel opacities which cause esthetic and psychological problems to patients with MIH. Microabrasion and etch-bleach surface treatment can provide easier, conservative, and biologically driven treatment approach compared to macroabrasion prior to prolonged resin infiltration for treating enamel opacities in incisors of MIH patients.

The aim of this study is to evaluate the effect of microabrasion and etch-bleach surface treatment compared to macroabrasion prior to prolonged resin infiltration on esthetic appearance of permanent incisors affected with demarcated enamel opacities in MIH patients.

Conditions

  • Molar Incisor Hypomineralization

Interventions

PROCEDURE

Resin infiltration

Etching using 15% hydrochloric acid for 2 minutes, followed by rinsing for 30 seconds then air dryness. Drying using 99% ethanol for 30 seconds. Resin infiltration for 30 minutes, then light curing for 40 seconds.

PROCEDURE

microabrasion

Microabrasive paste will be applied to the teeth for 60 seconds using low-speed bristle cups. This procedure will be repeated ten times with rinsing and dryness after each cycle.

PROCEDURE

Etch-bleach

Etching of enamel using 37% phosphoric acid for 60 seconds. After rinsing, 5% NaOCl will be applied to the etched enamel surface for 10 minute.

PROCEDURE

Macroabrasion

A mild preparation of enamel using a high-speed diamond finishing stone with copious water spray.

Sponsors & Collaborators

  • Ain Shams University

    lead OTHER

Study Design

Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
SINGLE
Model
PARALLEL

Eligibility

Min Age
8 Years
Max Age
14 Years
Sex
ALL
Healthy Volunteers
Yes

Timeline & Regulatory

Start
2024-07-01
Primary Completion
2026-07-01
Completion
2026-07-01

Countries

  • Egypt

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT07715370 on ClinicalTrials.gov