From:  Salivary hydroxyproline levels and gingivitis in 6–7 years children: a case-control study

Dental health and dental care attendance comparison

Group indexUnhealthyHealthyP-value
No.Percent (%)No.Percent (%)
Dental healthPoor721.913.10.013
Average928.11134.4
Good00.0412.5
Dental care attendanceYes721.91031.30.288
No928.1618.8