Occlusal Changes After Modified Hall Technique in Molars Affected by Molar-Incisor Hypomineralization

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Conditions studied: Dental Caries, Dental Occlusion, Pediatric Dentistry

In brief

Molar-incisor hypomineralization (MIH) frequently affects permanent first molars and increases the risk of rapid post-eruptive breakdown and restorative failure. Stainless steel crowns (SSCs) are considered a reliable treatment option for severely affected molars; however, SSC placement may temporarily alter the occlusal vertical dimension and occlusal contacts. Quantitative evidence describing the occlusal adaptation process following SSC placement in MIH-affected permanent molars is limited. This prospective longitudinal clinical study aims to evaluate occlusal adaptation after SSC placement using the modified Hall technique in MIH-affected permanent first molars. Forty-six children will be included. Intraoral scans will be obtained at baseline, immediately after treatment, and during follow-up visits up to 3 months. Digital models will be superimposed to measure three-dimensional changes in cusp position, occluso-vertical dimension, and occlusal contact area. Temporomandibular joint function and periodontal parameters will also be assessed. The results are expected to provide quantitative evidence on occlusal adaptation following SSC treatment in MIH-affected molars.

Key facts

Study ID

NCT07530835

Run by

Ankara Yildirim Beyazıt University

People needed

46

Starts

2026-06-01

Expected to finish

2027-12-01

Last updated by the study team

2026-04-17

Who can join

Age: 6 and older, up to 14. Sex: any. Healthy volunteers: accepted.

You may not qualify if…

• Individuals with serious systemic or psychological conditions
• Participants who fail to attend follow-up appointments
• Those who exhibit excessive fear or anxiety reactions and are unable to cooperate during treatment

Where it is running

• Ankara Yıldırım Beyazıt University Faculty of Dentistry — Ankara, Keçiören, Turkey (Türkiye)

Full record on ClinicalTrials.gov

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