Additional file 5 of Identification of bone morphogenetic protein 4 in the saliva after the placement of fixed orthodontic appliance

Additional file 5: Supplementary table S1. Participants’ malocclusion types. In Class 1 malocclusion, the bite is normal, but the upper teeth slightly overlap the lower teeth. Class 2 malocclusion (retrognathism or overbite), occurs when the upper jaw and teeth severely overlap the bottom jaw and teeth. It is subdivided into division 1 where the incisors are proclined and division 2 where the incisors are retroclined