Effects of combined periodontal surgical and orthodontic therapy on the oral health-related quality of life of patients with stage IV periodontitis over a long-term period of up to 20 years: A retrospective study

Effects of combined periodontal surgical and orthodontic therapy on the oral health-related quality of life of patients with stage IV periodontitis over a long-term period of up to 20 years: A retrospective study - CPSOTOHRQL20

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

DRKS

Registry ID

DRKS00040319

Enrollment

Registered

2026-06-09

Start date

2026-06-15

Completion date

Unknown

Last updated

2026-06-22

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

Conditions

periodontitis stage IV with pathologic tooth migration

Interventions

Group 1: Retrospective long-term analysis of all patients who underwent combined periodontal surgical regenerative and orthodontic therapy between 2001 and 2010.

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Data analysis of patients who were in treatment from 2001 to 2026

Exclusion criteria

Exclusion criteria: Incomplete data collection during the specified period, Patient non-compliance

Design outcomes

Primary

Measure	Time frame
impact on oral health-related quality of life T1: before surgery, T2: after completion of therapy, T3: up to 20 years postoperatively individually developed patient questionnaire	—

Secondary

Measure	Time frame
Changes in radiological bone levels and pocket probing depths	—

Countries

Germany

Contacts

Public ContactChristina Tietmann

Gemeinschaftspraxis für Parodontologie

tietmann@paro-aachen.de+49 241 918450

Outcome results

None listed

Source: DRKS (via WHO ICTRP) · Data processed: Jun 29, 2026