Table 1.
Search strategy used for each database with the corresponding results
| Electronic databases | Search strategy | Limits | Hits |
|---|---|---|---|
| Pubmed | (Periodontitis OR periodontal disease OR gum disease OR periodontal health OR periodontal therapy OR periodontal treatment OR root scaling OR periodontal debridement OR root planing OR oral hygiene) AND (chronic obstructive pulmonary disease OR chronic bronchitis OR emphysema OR COPD) |
Publication Date 01/01/2000–31/03/2020 English language Human species |
185 |
| Scopus | (Periodontitis OR periodontal disease OR gum disease OR periodontal health OR periodontal therapy OR periodontal treatment OR root scaling OR periodontal debridement OR root planing OR oral hygiene) AND (chronic obstructive pulmonary disease OR chronic bronchitis OR emphysema OR COPD) |
Year 2000–2020 English language |
55 |
| Virtual Health Library | (Periodontitis OR periodontal disease OR gum disease OR periodontal health OR periodontal therapy OR periodontal treatment OR root scaling OR periodontal debridement OR root planing OR oral hygiene) AND (chronic obstructive pulmonary disease OR chronic bronchitis OR emphysema OR COPD) |
Year 2000–2020 English Language |
252 |
| ScienceDirect | ("Periodontitis" OR "periodontal disease" OR "periodontal therapy" OR "periodontal treatment" OR "root scaling" OR "periodontal debridement" OR "root planing" OR "oral hygiene") AND ("chronic obstructive pulmonary disease") |
Year 2000–2020 Article types Research articles |
386 |
| Wiley Online Library | (Periodontitis OR periodontal disease OR gum disease OR periodontal health OR periodontal therapy OR periodontal treatment OR root scaling OR periodontal debridement OR root planing OR oral hygiene) AND (chronic obstructive pulmonary disease OR chronic bronchitis OR emphysema OR COPD) |
Publication date 01/2000–03/2020 Publication type Journals |
213 |
| Web of Science | (Periodontitis OR periodontal disease OR gum disease OR periodontal health OR periodontal therapy OR periodontal treatment OR root scaling OR periodontal debridement OR root planing OR oral hygiene) AND (chronic obstructive pulmonary disease OR chronic bronchitis OR emphysema OR COPD) |
Publication Years 2000–2020 Document Types Article Language English |
161 |
| Proquest Dissertation and Theses Global | (Periodontitis OR periodontal disease OR gum disease OR periodontal health OR periodontal therapy OR periodontal treatment OR root scaling OR periodontal debridement OR root planing OR oral hygiene) AND (chronic obstructive pulmonary disease OR chronic bronchitis OR emphysema OR COPD) |
Publication Date 01/01/2020–31/03/20 Limit to Title and Abstract English Language |
124 |
| Google Scholar | ("Periodontitis" OR "periodontal disease" OR "periodontal health" OR "periodontal therapy" OR "periodontal treatment" OR "root scaling" OR "root planing" OR "oral hygiene") AND ("COPD" OR "chronic obstructive pulmonary disease") |
Limit to Title English language Publication Date 2000–2020 |
66 |