ClinicalTrials.gg
Not yet recruitingNCT07655193Updated Jun 17, 2026

Improving Decision-Making for Missing Upper Front Teeth

An observational study in Hypodontia, Decision Making ,Shared and Decision Aid, sponsored by King's College London. Not yet recruiting. Open to participants aged 11 Years to 18 Years, including healthy volunteers. Per ClinicalTrials.gov, last updated 2026-06-17.

Sponsored by King's College London · Observational

Study type
Observational
Model
Other
Time perspective
Cross-sectional
Enrollment
20
Ages
11 Years to 18 Years
Sex
All
01

Study summary

Background: The developmental absence of 1-2 upper front teeth is a common condition, affecting 1 in 50 people worldwide, and affects smile aesthetics and quality-of-life. Treatment is often undertaken in teenagers, but the outcomes have lifelong consequences. Treatment options involve either creating space for a false tooth, or closing space and disguising the adjacent tooth as the missing tooth; both options have their own advantages, disadvantages and long-term considerations, and treatment often requires input from multiple dental specialties. Advances in orthodontic techniques mean more patients can be treated with either approach, therefore, the ideal treatment plan becomes more subjective and based upon the patient's preferences.

Aim: To develop a Patient Decision Aid (PDA), a decision-making support tool to help young people (and parents/guardians) with developmentally missing upper front teeth choose the best treatment option for them.

Approach: First, the investigators will gather information from stakeholders involved in the decision-making process to understand their needs. Interviews will be conducted with young people with developmentally missing upper front teeth and their parents/guardians about their experiences, expectations, and preferences regarding treatment decision-making. Information will also be sought from clinicians involved in this process about their experiences of the decision-making process, via focus groups. These will be carried out across two NHS hospitals with special clinics for missing teeth. Then, the information obtained from both patient and clinician stakeholder groups will help the investigators to develop a PDA, following international guidelines. PDA development will occur alongside ongoing input and feedback from a Development Panel (which will include patients and clinician representatives) to optimise content, acceptability, and accessibility. The final approved PDA will then be trialled in a later pilot study.

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Conditions studied

  • Hypodontia
  • Decision Making ,Shared
  • Decision Aid
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In context

Lead sponsor

King's College London is the lead sponsor of 520 studies on the registry; 126 are open to participants now.

Counted across the registry records on this site, refreshed daily.

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Who can participate

Ages eligible
11 Years to 18 Years
Sexes eligible
All
Accepts healthy volunteers
Yes
Sampling method
Non-probability sample

Study population

Patient Participants: patients attending the dental department for routine appointments Clinician Participants: clinicians working within the dental department

Eligibility criteria

Patient Participant Inclusion Criteria:

  • Young people with Maxillary Lateral Incisor Agenesis (MLIA) affecting one or both maxillary lateral incisors
  • Young people aged 11-18 years old (attending with an adult with parental responsibility if \<16 years old)
  • In active orthodontic (space-closure or space-opening) or restorative treatment for MLIA, or completed active dental treatment less than one year ago
  • Attended a multidisciplinary Hypodontia Clinic for treatment planning where both space-closure and space-opening options were offered

Patient Participant Exclusion Criteria:

  • Craniofacial anomalies including cleft lip and/or palate
  • Unable to communicate in English where no professional translation service is available

Clinician Participant Inclusion Criteria:

  • Specialists or consultants in orthodontics, restorative dentistry, paediatric dentistry, and oral surgery who provide care as part of the Hypodontia pathway and work within the multidisciplinary hypodontia clinics

Clinician Participant Exclusion Criteria:

  • Any clinician not providing care as part of the Hypodontia pathway and working within the multidisciplinary hypodontia clinics
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Study design

Observational model
Other
Time perspective
Cross-sectional
Enrollment
20 participants (estimated)
Patient registry
No

Groups and cohorts

  • Patients

    Young people with Maxillary Lateral Incisor Agenesis (+/- parent or guardian)

    Other: Interview / Focus group

  • Clinicians

    Any clinicians involved in multidisciplinary hypodontia clinics where treatment decision-making occurs.

    Other: Interview / Focus group

Interventions

  • OtherInterview / Focus group

    Interviews with patient participants and focus groups with clinician participants will be used to elicit information about experiences with decision-making with regards to treatment options for Maxillary Lateral Incisor Agenesis.

06

What researchers measure

Primary outcomes

  1. Qualitative experience

    Qualitative data from interviews / focus groups on experiences of treatment decision-making for MLIA, which will be thematically analysed using the Framework method.

    Time frame: Day 1

07

Study locations

No study locations are listed for this record.

08

References and documents

Individual participant data

Plan to share: No

No publications or documents are linked to this record.

09

Timeline

Tracking since Sep 25, 2026
ElapsedEstimatedEstimated, not yet reached

Start is estimated for Aug 2026; primary completion for Aug 2028, 24 months later.

How these figures are worked out, and which studies are left out of them.

Registered
Jun 5, 2026
First posted
Jun 17, 2026
StartEst.
Aug 1, 2026
Primary completionEst.
Aug 31, 2028
CompletionEst.
Aug 31, 2028
Last update
Jun 17, 2026
What these dates mean
Start.
When the first participant enrolled; while estimated, when the study expects to open to recruitment.
Primary completion.
When the last participant was examined or treated to collect data for the study's main question, its primary outcome. A study that stopped early gives the date its data collection stopped.
Completion.
When the last participant's last visit took place, for every outcome, secondary ones and side effects included: the end of the study. Often later than primary completion, sometimes the same day.
Actual and Est.
Actual means the registry says the date has happened. Est. (estimated) is a date the sponsor plans or expects. It can still move, and the sponsor is expected to change it to actual once it has passed.
No changes since tracking began. The registry record was last updated on Jun 17, 2026, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
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Registry details

Key details

Study ID
NCT07655193
Responsible party
Sponsor
First posted
Jun 17, 2026
Start date
Aug 1, 2026 (estimated)
Primary completion
Aug 31, 2028 (estimated)
Completion
Aug 31, 2028 (estimated)
Last update
Jun 17, 2026

Oversight

Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is not yet recruiting, as verified in Jun 2026. You cannot join it, but the record below documents what was studied.

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