periodontal disease
Conditions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Periodontal healthy subjects: (1) Aged at least 18 years; (2) Gingival redness and swelling, bleeding index BI<=1; (3) Full oral probing depth PD<=3mm; (4) The teeth are arranged neatly without hindering the adjacent scanning; (5) Can cooperate with the completion of the oral scanning process; (6) Oral health condition was good, tartar index CI=0. 2. Inclusion criteria for patients with periodontitis: (1) Aged at least 18 years; (2) Diagnosed as chronic periodontitis; (3) The teeth are arranged neatly without hindering the adjacent scanning; (4) Can cooperate with the completion of the oral scanning process.
Exclusion criteria
Exclusion criteria: 1. Obvious pigmentation of the tooth surface and gums; 2. The attachment of upper lip frenulum is too low; 3. Orthodontic treatment; 4. Temporomandibular joint disease; 5. Patients with serious systemic diseases, mental diseases or Parkinson's disease who cannot take care of themselves; 6. Abnormal opening.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| 3D deviation;precision; | — |
Countries
China
Contacts
Beijing Tongren Hospital, Capital Medical University