More than 1 sample in each individual
Number of samples in each individual:
1
All patients undergo periodontal examination, including the recording of PPD, BOP, and CAL indexs, and blood samples are taken from the patient at the same time. and will be sent to the laboratory for the evaluate blood parameters including hemoglobin (Hb), ferritin, hematocrit, MCV, MCH, MCHC and Vit D.