Long-term Results After Systematic Periodontal Therapy

5. Material and Methods

5.1 Patients

Patients who had had systematic periodontal treatment (antiinfective treatment with subgingival debridement under local anaesthesia and if required periodontal surgery) at the Dept. of Periodontology starting from October 2004 are re-examined 10 years +/- 12 months after accomplishment of active periodontal therapy (re-evaluation 1 or 2, start of supportive periodontal treatment) until 100 patients have been enroled. Radiographs (periapicals or panoramics) from start of treatment should be available.

Inclusion criteria:

• at least 18 years old
• systematic periodontal treatment (antiinfective treatment with subgingival debridement under local anaesthesia according to the full mouth disinfection protocol and if required periodontal surgery) at the Dept. of Periodontology starting from October 2004
• complete periodontal charts (probing pocket depths [PPD] and vertical probing attachment level [PAL-V] at 6 sites per tooth, furcation involvement at all furcation sites of multi-rooted teeth) Prior to periodontal treatment (baseline, T0) and after accomplishment of active periodontal Treatment (APT) (reevaluation 1 or 2 and start of SPT, T1)
• radiographs of all teeth (periapical or panoramic) at baseline
• written informed consent.