Clinical trial Recruiting at 1 site Observational Ages 5 to 8

Colour and sensitivity in first permanent molars with MIH

Official title: Molar-Incisor Hypomineralisation (MIH): Correlation Between Colour of the Defect and Hypersensitivity in Young First Permanent Molars

Run by University of Basel · NCT07727044 · Data updated 2026-11-12

This study tests whether the colour of enamel defects in first permanent molars with MIH correlates with hypersensitivity in affected children.

Quick facts

Study typeObservational
Ages5 Years to 8 Years
SexAll
Enrollment45 (estimated)
SponsorUniversity of Basel
Academic / other
Locations1 site (Basel, Canton of Basel-City)
StatusRecruiting
StartedJanuary 9, 2026
Main results expectedAugust 31, 2026
Study endsOctober 31, 2026
Registry record updatedJuly 27, 2026
Trial IDNCT07727044 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Children aged 5-8 with MIH affecting one or more first permanent molars, in occlusion and otherwise healthy.

Probably not a fit

MIH-affected children without hypersensitivity or with non-coloured defects may not derive direct benefit from the findings.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This observational study compares children aged 5-8 with MIH-affected first permanent molars to age-matched controls with sound molars. Teeth colour is documented using standardized photography and a colour reference card, while hypersensitivity is assessed clinically. By analyzing the relationship between defect colour and reported/observed sensitivity, the study aims to see if colour cues can help predict hypersensitivity and guide preventive management. The design includes a MIH group and a healthy control group, with informed parental consent and careful exclusion criteria to minimize confounding dental conditions. No interventional treatment is described within the study protocol.

Why it matters

Potential benefit: If a strong link between colour and hypersensitivity is found, clinicians could better anticipate pain risk and tailor preventive strategies for MIH-affected teeth.

How similar studies have gone: Previous work has explored MIH characteristics, but direct correlation between enamel colour and hypersensitivity in young children remains limited and exploratory.

Who can join: the full rules

Show full inclusion / exclusion criteria
MIH Study Group

Inclusion Criteria:

* Children between 5 to 8 years with MIH molars with or without hypersensitivity according to the MIH-TN Index (Bekes et al 2016)
* Children with first molars in occlusion
* Children fit and healthy

Exclusion Criteria:

* MIH first permanent molars that have already received any kind of dental treatment
* Children diagnosed with HSPM (hypomineralised second primary molars)
* Children older than 8 years - Children younger than 5 years
* Children with any cranio-facial and/or other developmental dental defects
* Children diagnosed with parafunctions (attrition/ erosion)
* Children and/or parents who did not consent to the study
* Children with MIH teeth that show clinically visible enamel loss during the eruption
* Children without the first molars in occlusion

Non- MIH Control Group

Inclusion Criteria:

* Children between 5 to 8 years with no clinically affected molars
* Children fit and healthy

Exclusion Criteria:

* Children who have already received any kind of dental treatment on their permanent or primary teeth
* Children diagnosed with MIH or any other disease of the teeth
* Children older than 8 years
* Children younger than 5 years
* Children with any cranio-facial and/or other developmental dental defects
* Children diagnosed with parafunctions (attrition/ erosion)
* Children and/or parents who did not consent to the study

Where it's running

  • University Centre for Dental Medicine
    Basel, Canton of Basel-City, Switzerland
    Recruiting

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.