[Table/Fig-2]:

Independent assessment of the studies by the authors in three rounds using PRISMA protocol based on predefined criteria.

Round 1 : Title and Abstract
Inclusion criteria
Periodontal disease in India as research theme
General (Adult population) as sample
Exclusion criteria
Case report
Review article
Case series
Systemic disease
Studies focusing special communities
Primary dentition
Round 2 : First Full Text Assessment
Inclusion criteria
Prevalence of periodontal disease in India as research theme
Exclusion criteria
Age is not reported
Lack of sufficient data for full text assessment
Round 3 : Second Full Text Assessment
Inclusion criteria
Prevalence is calculated
Data were provided to calculate prevalence
Exclusion criteria
Unclear how periodontal disease was diagnosed
Diagnostic index/test was not mentioned