Table 1 Inclusion and exclusion criteria

Studies published in the last 5 years

Not published un english, spanish or portuguese language

Case-control, cross-sectional, longitudinal and cohort studies

Systematic Review, Meta-Analysis, Case Report, Letter, Editorial, Congress

Humans

Children, teenagers and/or non-older adults

Older patients ≥65 years old

Studies in which the essential data are missing in order to obtain a profile of homogeneous works

Sample ≥ 50 individuals

Studies whose access to the complete text was under private subscription

Entered in some type of institution or hospital center for a period ≥7 days

In which the situation of hard and/or soft tissues the oral cavity was evaluated in some way