1)Healthy volunteers 2)caries/periodontal disease/ pericoronitis
Conditions
Interventions
None listed
Sponsors
Clinics of Dentistry for Disabled, Tohoku University Hospital
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: saliva Those who do not have a disease that affects saliva production Extracted tooth Caries: Teeth judged to be difficult to preserve in C3 to C4 Periodontitis: Teeth judged to be difficult to preserve due to severe periodontitis (P3, etc.) Pericoronitis: Teeth judged to be suitable for tooth extraction due to repeated pain / swelling
Exclusion criteria
Exclusion criteria: 1) Saliva Those suffering from diseases that affect saliva production 2) Extracted teeth When the patient or the patient's family refuses to provide the extracted tooth A tooth that was removed because the dentin was so severely damaged that it was not possible to secure the 3.5 mm x 3.5 mm x 1.5 mm that was to be formed into the tooth cavity
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Vickers hardness/Immersion distance/Acoustic impedance/Gap distance | — |
Countries
Japan
Contacts
Public ContactYukihiro Naganuma
Tohoku University Hospital Clinics of Dentistry for Disabled
Outcome results
None listed