Table 1 Inclusion and exclusion criteria systematic review

Study design

- Randomized and non-randomized controlled trials

- Diagnostic studies

Systematic reviews

All other study designs

Population

Adults aged 18 years and above without known periodontal disease

People with known periodontal disease

Children, pregnant women, populations with increased risks for periodontal diseases

Interventions

Screening for periodontal diseases by non-dental health professionals using methods that could be applied during periodic health examinations without specialized dental equipment

Examples: self-reported questionnaires, inspection of the oral cavity, blood sampling, saliva sampling

Screening for periodontal diseases using methods that require special dental training or specialized dental equipment

Comparison

KQ 1 and KQ 2: no screening for periodontal disease

KQ 3: validated diagnosis of periodontal disease by a dentist

KQ 1 and KQ 2: other screening tests

Outcomes

No limitations

None

Setting

KQ 1 and KQ 2: periodic health examination in a primary care setting

KQ 3: no limitations

KQ 1 and KQ 2: dentists, studies conducted outside office-based primary care settings, e.g., homecare or mobile examination units

Country

Countries having a very high UNESCO human development index: Andorra, Argentina, Australia, Austria, Bahrain, Belgium, Brunei Darussalam, Canada, Chile, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hong Kong China (SAR), Hungary, Iceland, Ireland, Israel, Italy, Japan, Korea (Republic of Korea), Kuwait, Latvia, Liechtenstein, Lithuania, Luxembourg, Malta, Montenegro, Netherlands, New Zealand, Norway, Poland, Portugal, Qatar, Romania, Russian Federation, Saudi Arabia, Singapore, Slovakia, Slovenia, Spain, Sweden, Switzerland, United Arab Emirates, UK, USA

All other countries

Publication language

English, German

Non-English or non-German language