Survival of molars with degree III periodontal furcation involvement following non-surgical or surgical therapy: a multicentre single-masked randomised controlled trial

Not Applicable

Recruiting

Conditions: K05.3
Chronic periodontitis

Registration Number: DRKS00025830

Lead Sponsor: Poliklinik für Parodontologie, ZZMK der Johann Wolfgang Goethe- Universität

Brief Summary: Not available

Detailed Description: Not available

Recruitment & Eligibility

Status: Recruiting

Sex: All

Target Recruitment: 135

Inclusion Criteria

·Minimum of 12 teeth present
·Diagnosis of Severe Periodontitis stage III or IV
·at least one maxillary/ mandibular molar with: i) degree III horizontal furcation involvement (at least between 2 roots for maxillary molars) (Eickholz and Walter, 2018), ii) class B vertical furcation involvement (bone loss up to the middle third of root cones) (Tonetti et al. 2017), iii) residual probing pocket depths > 5 mm and iv) maximum mobility degree I (Miller et al. 1985)
·Received a course of non-surgical periodontal therapy within the past six months

Exclusion Criteria

·Full mouth plaque score > 30%
·A course of antibiotics within the past 3 months
·Pregnant/lactating women
·Relevant medical history as evaluated by the examining clinician which may have the potential to affect periodontal surgical treatment
·Individuals on long-standing (2 or above years) supportive periodontal therapy (SPT) management plans

Study & Design

Study Type: interventional

Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
Tooth survival 5 years after treatment

Secondary Outcome Measures

Name	Time	Method
Max PPD (tooth level)<br>Max CAL (tooth level)<br>Radiographic bone levels (tooth level)<br>Oral-health-related quality of life (OHrQL) measures<br>Time needed for each study appointment during maintenance therapy<br>Health economics (cost-effectiveness and cost-utility, cost-effectiveness-acceptability)<br>Occurrence of root caries in furcation area (yes/no)<br>Any measure for dentin hypersensitivity?<br>Subgingival microbial changes <br>1- and 3-year tooth survival