Their possible relation as a surrogate of oral health is shown in the right column. The involved subjects of Dental Medicine are noted in the middle column. Reading the table from top to down, it has to be considered, that surrogates include content of cells above.
Table 2 Evaluated articles and encountered mode of report: All full-text reviewed articles are sorted by the year of publication
The date is followed by a discretionary index for the 5 year Impact Factor of the journal in 2010 (a < 1.5; b < 3; c > 3; d: None). Please see caption: Operationalization of findings in “Materials and Methods” section to decipher content in columns Ⅰa-Ⅳ. Column Ⅱb “Implants” is not shown for a comprehensive view and due to the lack of noteworthy reports. RCF: Root-canal-fillings; apF: Apical findings; ABL: Alveolar bone loss; ND: Not defined; NR: Not reported.