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Relative frequency of demineralisation and oral hygiene status in adolescents

Relative frequency of demineralisation and oral hygiene status in adolescents

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
DRKS
Registry ID
DRKS00036445
Enrollment
55
Registered
2025-03-20
Start date
2025-03-25
Completion date
Unknown
Last updated
2026-04-27

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

K02

Interventions

Group 1: Visual inspection, oral hygiene check using TMQH (plaque index according to Quigley and Hein/modification according to Turesky) and Löe-Silness (GI), analysis of oral biomarkers (MMP-8 concen

Sponsors

Poliklinik für Kinderzahnheilkunde
Lead Sponsor

Eligibility

Sex/Gender
All
Age
12 Years to 17 Years

Inclusion criteria

Inclusion criteria: - between 12-17 years old - a previous fixed orthodontic multi-bracket appliance in the upper/ lower jaw or aligner therapy must be excluded - provided with and sign a written informed consent form and subject information prior to participation - demonstrate good general health as assessed by the investigator based on a current medical history.

Exclusion criteria

Exclusion criteria: - undergoing orthodontic treatment - have severe periodontal disease characterised by purulent exudates, tooth mobility and/or gingival recession - allergies to colourants/dyes used in cosmetic products and foodstuffs exist - other orthodontic treatments are being carried out, e.g. with multi-bracket appliances or aligners - periodontitis treatment is being carried out - more than 3 carious defects need to be treated - an antibiotic was taken two weeks before the start of the study - a pacemaker is worn - a pregnancy exists (by questioning the patient) - syndromes and general diseases are known

Design outcomes

Primary

MeasureTime frame
Extent of demineralisation (EDI value)

Secondary

MeasureTime frame
Plaque extent (TMQH value), biomarkers (MMP-8 concentration) and oral health-related quality of life (MLQ)

Countries

Germany

Contacts

Public ContactNelly Schulz-Weidner

Poliklinik für Kinderzahnheilkunde

nelly.schulz-weidner@dentist.med.uni-giessen.de+496419946244

Outcome results

None listed

Source: DRKS (via WHO ICTRP) · Data processed: May 1, 2026