periodontitis
Conditions
Interventions
A group (Severe Periodontitis):None
B group (Periodontally Healthy):None
Sponsors
Beijing Friendship Hospital ,Capital Medical University
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: Experimental group 1. Voluntarily participate in this study; 2. Have probing depth >= 6mm; 3. Teeth with positive bleeding on probing (BOP). Control group 1. Voluntarily participate in this study; 2. Healthy teeth with periodontal health (probing depth <= 3mm, no inflammation) and no caries.
Exclusion criteria
Exclusion criteria: Experimental Group 1. Recently (within 6 months) underwent periodontal treatment; 2. Have systemic diseases (such as diabetes, etc.); 3. Pregnant or breastfeeding patients Control Group 1. Have systemic diseases (such as diabetes, etc.); 2. Pregnant or breastfeeding patients.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| the content of MMP-8 in GCF detected by THz-TDS;the content of MMP-8 in GCF detected by ELISA; | — |
Secondary
| Measure | Time frame |
|---|---|
| Depth of periodontal exploration;bleeding on probing index; | — |
Countries
China
Contacts
Public ContactJieqi Jin
Beijing Friendship Hospital ,Capital Medical University
Outcome results
None listed