Molar Incisor HypomineralizationMIHMexNCT03870958
Glass Ionomer Cement Sealant in the Prevention of Post-eruptive Fractures in Molars Affected by MIH
A study testing GIC sealant (GC Fuji TRIAGE®) in people with Molar Incisor Hypomineralization, run by Isabel Cristina Olegário da Costa at 1 site in Mexico.
Trial summary
This trial will compare the application of Glass Ionomer Cement (GIC) sealant with no-intervention for the most clinically- and cost-effective strategy for managing MIH molars without post-eruptive breakdown, in a school setting, using low-technology and child-friendly dental techniques. Read more about this study
- Who is it for?
- Ages 6 to 9 years
- Conditions the study is for
- Molar Incisor Hypomineralization
- What is being tested?
- GIC sealant (GC Fuji TRIAGE®)
- Type of treatment
- Surgery or procedure
- Could I receive a placebo?
- No, everyone receives an active treatment
- How many people
- 195 participants
- Where
- 1 siteMexico
- Study dates
- 20 Nov 2018to 20 Dec 2021
- Phase
- Interventional
- Are there results?
- None posted in the registry
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 6 to 9 years
- All sexes
- No healthy volunteers
- Child
Who may be able to join
- children whose parents or legal guardians accept and sign the informed consent form; -children who assent to participate into the research;
- aged between 6 and 9 years;
- exhibiting good general health conditions and cooperative behavior;
- presenting at least one MIH molar.
Who cannot join
- children presenting health conditions that impair the dental treatment, or children undergoing orthodontic treatment;
- MIH molars that present opacities not located on the occlusal surface, with post-eruptive breakdown, with the occlusal surface totally or partial covered by a gingival operculum, with caries dentine lesion (ICCMS score C), restorations or sealants.
Trial locations and contacts
1 site in 1 country.
About this study
Official title: Cost-effectiveness of the Application of Glass Ionomer Cement Sealant (GC Fuji TRIAGE®) in the Prevention of Post-eruptive Fractures in Molars Affected by Molar-Incisor Hipomineralisation: Controlled and Randomized Clinical Trial
This trial will compare the application of Glass Ionomer Cement (GIC) sealant with no-intervention for the most clinically- and cost-effective strategy for managing MIH molars without post-eruptive breakdown, in a school setting, using low-technology and child-friendly dental techniques. Methods/Design: This two-arm, parallel group, patient-randomized controlled, superiority trial will have treatment provided in schools. Schoolchildren (age 6-9), presenting at least one MIH molar (n molars = 195,) will have random allocation to treatment with or without the application of a GIC sealant (GC Fuji TRIAGE®, GC Europe, Leuven, Belgium). Baseline measures and outcome data will be assessed through participant report and clinical examination. The primary outcome is the presence of post-eruptive fracture and development of caries lesions. Secondary outcomes are: (1) self-reported dental hypersensitivity; (2) oral health-related-quality of life, reported by children; (3) plaque index, (4) gingival health, (5) caries status (according to ICCMS scores) in primary and permanent teeth; (6) the incremental cost-effectiveness. A trained and calibrated examiner will evaluate the treated teeth every six months post treatment for a period of 36 months. Kaplan-Meier and Cox regression tests will be used to investigate the primary outcome. The Logistic Regression and Poisson Regression Analysis will be used to analyze the secondary outcomes (α=5%).
Read the detailed description
Background: Molar-Incisor Hypomineralisation (MIH) is defined as a qualitative defect that occurs during the mineralization phase of enamel of at least one first permanent molar. The opacities vary in size and color and are demarcated by healthy enamel. MIH molars present lower mechanical properties when compared to non-affected molars, due to the enamel's decreased mineralization. Allied to that, patients often report dental hypersensitivity, which impairs the mechanical removal of dental plaque; therefore, those molars are more prone to post-eruptive fractures and present higher risk of developing dental caries. This trial will compare the application of Glass Ionomer Cement (GIC) sealant with no-intervention for the most clinically- and cost-effective strategy for managing MIH molars without post-eruptive breakdown, in a school setting, using low-technology and child-friendly dental techniques. Methods/Design: This two-arm, parallel group, patient-randomized controlled, superiority trial will have treatment provided in schools. Schoolchildren (age 6-9), presenting at least one MIH molar (n molars = 195,) will have random allocation to treatment with or without the application of a GIC sealant (GC Fuji TRIAGE®, GC Europe, Leuven, Belgium). Baseline measures and outcome data will be assessed through participant report and clinical examination. The primary outcome is the presence of post-eruptive fracture and development of caries lesions. Secondary outcomes are: (1) self-reported dental hypersensitivity; (2) oral health-related-quality of life, reported by children; (3) plaque index, (4) gingival health, (5) caries status (according to ICCMS scores) in primary and permanent teeth; (6) the incremental cost-effectiveness. A trained and calibrated examiner will evaluate the treated teeth every six months post treatment for a period of 36 months. Kaplan-Meier and Cox regression tests will be used to investigate the primary outcome. The Logistic Regression and Poisson Regression Analysis will be used to analyze the secondary outcomes (α=5%).
- Conditions
- Molar Incisor Hypomineralization
- Being tested
- GIC sealant (GC Fuji TRIAGE®), Control
- Medical subject headings
- Molar Hypomineralization
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
GIC sealant (GC Fuji TRIAGE®)Procedure or surgery
Children allocated to this group will receive the same dietary advices and brushing instructions. Additionally, all MIH molars from will receive a GIC sealant (GC Fuji TRIAGE®, GC Europe, Leuven, Belgium).
ControlProcedure or surgery
Children allocated to this group will receive the same dietary advices and brushing instructions.
| Study group | Role | What they receive |
|---|---|---|
| GIC sealant (GC Fuji TRIAGE®) | Experimental | Children allocated to this group will receive the same dietary advices and brushing instructions. Additionally, all MIH molars from will receive a GIC sealant (GC Fuji TRIAGE®, GC Europe, Leuven, Belgium). Receives: Procedure: GIC sealant (GC Fuji TRIAGE®) |
| Control | Active comparator | Children allocated to this group will receive the same dietary advices and brushing instructions described in the control arm. Receives: Procedure: Control |
What is being measured
The primary outcome is the main question the study is designed to answer.
Post-eruptive breakdown
A "success" will be accounted in cases when the no post-eruptive breakdown is detected, while a "failure" will be considered when a post-eruptive breakdown, atypical restoration, atypical caries or tooth missing due to MIH is perceived.
Method: clinical evaluation by a calibrated examiner
Measured: After 12 months
Secondary outcomes (5)
Caries lesions assessment
The dental caries index ICCMS (Ismail et al., 2015) will be used. For that, a visual-tactile exam will be performed with the aid of an OMS probe.
Method: clinical evaluation by a calibrated examiner
Measured: Every 6 months up to 36 months
Sealant retention
The sealants 'retention will be clinically evaluated and scored as: 0- fully retained sealant; 1- partially retained sealant and 2- sealant absent (Oba et al., 2009). (Hilgert LA et al., 2017)
Method: clinical evaluation by a calibrated examiner
Measured: Every 12 months up to 36 months
Oral health-related quality of life (OHRQoL)
All children will be interviewed concerning their OHQoL by a local dentist. For that, the Child Perceptions Questionnaire (CPQ) will be used. This questionnaire has already been adapted and validated into Spanish-language (Carmen Aguilar-Díaz F et al., 2011).
Measured: Baseline and every 12 months up to 36 months
Cost-efficacy of treatments
The cost-effectiveness analysis will take into account the direct and indirect costs of the procedures. The time spent in each session will be considered, with the total time spent timed by an external assistant. The numbers of consultations attended to each participant and the procedures performed will be registered.
Measured: Baseline, after treatment and every 12 months up to 36 months
Hypersensitivity
A questionnaire will be used which will be applied to children with specific questions, a) presence of hypersensitivity when ingesting hot and cold drinks; b) hypersensitivity when brushing teeth. Clinically it will be used the methodology used by Mehta D, et al., 2015. A cold air stimulus (2-s air blast, approximately 40 psi, from a dental syringe directed perpendicular to the molar surface at 0.5 cm distance). Neighboring teeth were shielded with cotton rolls or with the fingers of the examiner. Immediately after stimulation patients were asked to point to the g visual analog scale VAS scale (no pain = 0 and worst pain = 10 cm) to the nearest full centimeter number describing their pain perception. Brushing the child's teeth will identify if the child has hypersensitivity and the VAS is used in the same way.
Measured: hypersensitivity will be evaluated at 6-month intervals so that evaluations will be completed in 6, 12, 18, 24, 30 and 36 months by the same examiner.
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted12 Mar 2019
- Study start20 Nov 2018
- Primary completion20 Dec 2019
- Study completion20 Dec 2021 (estimated)
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Publications (6)Papers the sponsor has linked to this study.
- Other trials for Molar Incisor HypomineralizationStudies of the same condition, open and under way.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Interventional
- Phase
- Phase N/A
- Primary purpose
- Prevention
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Model description
- This two-arm, parallel group, patient-randomized controlled, superiority trial will have treatment provided in schools. Schoolchildren (age 6-9), presenting at least one MIH molar (n molars = 195,) will have random allocation to treatment with or without the application of a GIC sealant (GC Fuji TRIAGE®, GC Europe, Leuven, Belgium).
- Masking
- None (open label)
- Enrolment
- 195 participants (estimated)
Sponsor and investigators
- Lead sponsor
- Isabel Cristina Olegário da Costa
- Sponsor type
- University, hospital or other
- Collaborators
- University of Guadalajara, University of Dublin, Trinity College, Academic Centre for Dentistry in Amsterdam
- Responsible party
- Sponsor-investigator, Isabel Cristina Olegário da Costa, University of Sao Paulo
- Investigators
- Daniela Hesse, Professor, Study chair, Academic Centre for Dentistry in AmsterdamIsaac M Pedroza Uribe, MSc, Principal investigator, University of Guadalajara
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT03870958
- Sponsor's protocol ID
- MIHMex
- Acronym
- MIHMex
- Status last verified
- Sep 2020
- First submitted
- 3 Dec 2018
- Last updated
- 16 Sep 2020
- Results posted
- No
- Data monitoring committee
- No
- FDA-regulated drug
- No
- FDA-regulated device
- No
- Individual data sharing
- No
Publications
Ghanim A, Marino R, Manton DJ. Validity and reproducibility testing of the Molar Incisor Hypomineralisation (MIH) Index. Int J Paediatr Dent. 2019 Jan;29(1):6-13. doi: 10.1111/ipd.12433. Epub 2018 Oct 22.
PubMed 30350324Folayan MO, Chukwumah NM, Popoola BO, Temilola DO, Onyejaka NK, Oyedele TA, Lawal FB. Developmental defects of the enamel and its impact on the oral health quality of life of children resident in Southwest Nigeria. BMC Oral Health. 2018 Sep 27;18(1):160. doi: 10.1186/s12903-018-0622-3.
PubMed 30261858Ebel M, Bekes K, Klode C, Hirsch C. The severity and degree of hypomineralisation in teeth and its influence on oral hygiene and caries prevalence in children. Int J Paediatr Dent. 2018 Nov;28(6):648-657. doi: 10.1111/ipd.12425. Epub 2018 Sep 23.
PubMed 30246468Velandia LM, Alvarez LV, Mejia LP, Rodriguez MJ. Oral health-related quality of life in Colombian children with Molar-Incisor Hypomineralization. Acta Odontol Latinoam. 2018 Jun;31(1):38-44.
PubMed 30056465Fragelli CMB, Souza JF, Bussaneli DG, Jeremias F, Santos-Pinto LD, Cordeiro RCL. Survival of sealants in molars affected by molar-incisor hypomineralization: 18-month follow-up. Braz Oral Res. 2017 Apr 27;31:e30. doi: 10.1590/1807-3107BOR-2017.vol31.0030.
PubMed 28489117Schraverus MS, Olegario IC, Bonifacio CC, Gonzalez APR, Pedroza M, Hesse D. Glass Ionomer Sealants Can Prevent Dental Caries but Cannot Prevent Posteruptive Breakdown on Molars Affected by Molar Incisor Hypomineralization: One-Year Results of a Randomized Clinical Trial. Caries Res. 2021;55(4):301-309. doi: 10.1159/000516266. Epub 2021 Jun 9.
PubMed 34107492
Study at a glance
From the registry record, last updated by the sponsor on 16 Sep 2020. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Cost-effectiveness of the Application of Glass Ionomer Cement Sealant (GC Fuji TRIAGE®) in the Prevention of Post-eruptive Fractures in Molars Affected by Molar-Incisor Hipomineralisation: Controlled and Randomized Clinical Trial
- ClinicalTrials.gov ID
- NCT03870958
- Acronym / sponsor ID
- MIHMex / MIHMex
- Conditions
- Molar Incisor Hypomineralization
- Study type
- Interventional
- Recruitment status
- Unknown status
- Enrolment
- 195 participants (estimated)
- Lead sponsor
- Isabel Cristina Olegário da CostaUniversity, hospital or other
- Collaborators
- University of Guadalajara, University of Dublin, Trinity College, Academic Centre for Dentistry in Amsterdam
- Study start
- 20 Nov 2018 (actual)
- Primary completion
- 20 Dec 2019 (actual)
- Study completion
- 20 Dec 2021 (estimated)
- First posted
- 12 Mar 2019 (actual)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
This trial will compare the application of Glass Ionomer Cement (GIC) sealant with no-intervention for the most clinically- and cost-effective strategy for managing MIH molars without post-eruptive breakdown, in a school setting, using low-technology and child-friendly dental techniques. Methods/Design: This two-arm, parallel group, patient-randomized controlled, superiority trial will have treatment provided in schools. Schoolchildren (age 6-9), presenting at least one MIH molar (n molars = 195,) will have random allocation to treatment with or without the application of a GIC sealant (GC Fuji TRIAGE®, GC Europe, Leuven, Belgium). Baseline measures and outcome data will be assessed through participant report and clinical examination. The primary outcome is the presence of post-eruptive fracture and development of caries lesions. Secondary outcomes are: (1) self-reported dental hypersensitivity; (2) oral health-related-quality of life, reported by children; (3) plaque index, (4) gingival health, (5) caries status (according to ICCMS scores) in primary and permanent teeth; (6) the incremental cost-effectiveness. A trained and calibrated examiner will evaluate the treated teeth every six months post treatment for a period of 36 months. Kaplan-Meier and Cox regression tests will be used to investigate the primary outcome. The Logistic Regression and Poisson Regression Analysis will be used to analyze the secondary outcomes (α=5%).
Detailed description
Background: Molar-Incisor Hypomineralisation (MIH) is defined as a qualitative defect that occurs during the mineralization phase of enamel of at least one first permanent molar. The opacities vary in size and color and are demarcated by healthy enamel. MIH molars present lower mechanical properties when compared to non-affected molars, due to the enamel's decreased mineralization. Allied to that, patients often report dental hypersensitivity, which impairs the mechanical removal of dental plaque; therefore, those molars are more prone to post-eruptive fractures and present higher risk of developing dental caries. This trial will compare the application of Glass Ionomer Cement (GIC) sealant with no-intervention for the most clinically- and cost-effective strategy for managing MIH molars without post-eruptive breakdown, in a school setting, using low-technology and child-friendly dental techniques. Methods/Design: This two-arm, parallel group, patient-randomized controlled, superiority trial will have treatment provided in schools. Schoolchildren (age 6-9), presenting at least one MIH molar (n molars = 195,) will have random allocation to treatment with or without the application of a GIC sealant (GC Fuji TRIAGE®, GC Europe, Leuven, Belgium). Baseline measures and outcome data will be assessed through participant report and clinical examination. The primary outcome is the presence of post-eruptive fracture and development of caries lesions. Secondary outcomes are: (1) self-reported dental hypersensitivity; (2) oral health-related-quality of life, reported by children; (3) plaque index, (4) gingival health, (5) caries status (according to ICCMS scores) in primary and permanent teeth; (6) the incremental cost-effectiveness. A trained and calibrated examiner will evaluate the treated teeth every six months post treatment for a period of 36 months. Kaplan-Meier and Cox regression tests will be used to investigate the primary outcome. The Logistic Regression and Poisson Regression Analysis will be used to analyze the secondary outcomes (α=5%).
Study design
- Primary purpose
- Prevention
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- None (open label)
- Number of arms
- 2
- Model description
- This two-arm, parallel group, patient-randomized controlled, superiority trial will have treatment provided in schools. Schoolchildren (age 6-9), presenting at least one MIH molar (n molars = 195,) will have random allocation to treatment with or without the application of a GIC sealant (GC Fuji TRIAGE®, GC Europe, Leuven, Belgium).
| Arm | Type | Receives |
|---|---|---|
| GIC sealant (GC Fuji TRIAGE®) | Experimental | Procedure: GIC sealant (GC Fuji TRIAGE®)Children allocated to this group will receive the same dietary advices and brushing instructions. Additionally, all MIH molars from will receive a GIC sealant (GC Fuji TRIAGE®, GC Europe, Leuven, Belgium). |
| Control | Active comparator | Procedure: ControlChildren allocated to this group will receive the same dietary advices and brushing instructions described in the control arm. |
Who may qualify
- Ages
- 6 to 9 years
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Child
Key inclusion criteria (4 listed)
- children whose parents or legal guardians accept and sign the informed consent form; -children who assent to participate into the research;
- aged between 6 and 9 years;
- exhibiting good general health conditions and cooperative behavior;
- presenting at least one MIH molar.
Key exclusion criteria (2 listed)
- children presenting health conditions that impair the dental treatment, or children undergoing orthodontic treatment;
- MIH molars that present opacities not located on the occlusal surface, with post-eruptive breakdown, with the occlusal surface totally or partial covered by a gingival operculum, with caries dentine lesion (ICCMS score C), restorations or sealants.
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| GIC sealant (GC Fuji TRIAGE®)Children allocated to this group will receive the same dietary advices and brushing instructions. Additionally, all MIH molars from will receive a GIC sealant (GC Fuji TRIAGE®, GC Europe, Leuven, Belgium). | Procedure or surgery | GIC sealant (GC Fuji TRIAGE®) |
| ControlChildren allocated to this group will receive the same dietary advices and brushing instructions. | Procedure or surgery | Control |
Primary outcome
Post-eruptive breakdown
Time frame: After 12 months
A "success" will be accounted in cases when the no post-eruptive breakdown is detected, while a "failure" will be considered when a post-eruptive breakdown, atypical restoration, atypical caries or tooth missing due to MIH is perceived. Method: clinical evaluation by a calibrated examiner
5 secondary outcomes
Caries lesions assessment
Time frame: Every 6 months up to 36 months
Sealant retention
Time frame: Every 12 months up to 36 months
Oral health-related quality of life (OHRQoL)
Time frame: Baseline and every 12 months up to 36 months
Cost-efficacy of treatments
Time frame: Baseline, after treatment and every 12 months up to 36 months
Hypersensitivity
Time frame: hypersensitivity will be evaluated at 6-month intervals so that evaluations will be completed in 6, 12, 18, 24, 30 and 36 months by the same examiner.
Results and safety
Results are not available in the source record.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 16 Sep 2020.
- Background: PubMed 30350324Ghanim A, Marino R, Manton DJ. Validity and reproducibility testing of the Molar Incisor Hypomineralisation (MIH) Index. Int J Paediatr Dent. 2019 Jan;29(1):6-13. doi: 10.1111/ipd.12433. Epub 2018 Oct 22.
- Background: PubMed 30261858Folayan MO, Chukwumah NM, Popoola BO, Temilola DO, Onyejaka NK, Oyedele TA, Lawal FB. Developmental defects of the enamel and its impact on the oral health quality of life of children resident in Southwest Nigeria. BMC Oral Health. 2018 Sep 27;18(1):160. doi: 10.1186/s12903-018-0622-3.
- Background: PubMed 30246468Ebel M, Bekes K, Klode C, Hirsch C. The severity and degree of hypomineralisation in teeth and its influence on oral hygiene and caries prevalence in children. Int J Paediatr Dent. 2018 Nov;28(6):648-657. doi: 10.1111/ipd.12425. Epub 2018 Sep 23.
- Background: PubMed 30056465Velandia LM, Alvarez LV, Mejia LP, Rodriguez MJ. Oral health-related quality of life in Colombian children with Molar-Incisor Hypomineralization. Acta Odontol Latinoam. 2018 Jun;31(1):38-44.
- Background: PubMed 28489117Fragelli CMB, Souza JF, Bussaneli DG, Jeremias F, Santos-Pinto LD, Cordeiro RCL. Survival of sealants in molars affected by molar-incisor hypomineralization: 18-month follow-up. Braz Oral Res. 2017 Apr 27;31:e30. doi: 10.1590/1807-3107BOR-2017.vol31.0030.
- Derived from this study: PubMed 34107492Schraverus MS, Olegario IC, Bonifacio CC, Gonzalez APR, Pedroza M, Hesse D. Glass Ionomer Sealants Can Prevent Dental Caries but Cannot Prevent Posteruptive Breakdown on Molars Affected by Molar Incisor Hypomineralization: One-Year Results of a Randomized Clinical Trial. Caries Res. 2021;55(4):301-309. doi: 10.1159/000516266. Epub 2021 Jun 9.
- Individual participant dataSharing planned: No
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
Daniela Hesse, Professor study chair
Academic Centre for Dentistry in Amsterdam
Isaac M Pedroza Uribe, MSc principal investigator
University of Guadalajara
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A study testing GIC sealant (GC Fuji TRIAGE®) in people with Molar Incisor Hypomineralization, run by Isabel Cristina Olegário da Costa at 1 site in Mexico.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 4 inclusion and 2 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: status not confirmed, as of the sponsor's last update on 16 Sep 2020. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 1 site in Mexico. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
Are results available for this study?
Results are not available in the source record.
How can a doctor refer a patient or contact the research team?
The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Post-eruptive breakdown (time frame: After 12 months). It is what the study was designed to measure, not a finding.
Where can I read the original study information?
On the ClinicalTrials.gov record for NCT03870958, which also lists 6 linked publications.
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 16 Sep 2020.