Dental defect
Conditions
Interventions
Group 1:Traditional impression technology and gypsum model
Group 2:Intraoral optical impression and digital design for prosthesis fabrication
Group 3:Intraoral optical impression and multi-degree of freedom integrated simulation of mandibular movement and occlusal analysis design and fabrication of prostheses
Sponsors
Ninth People's Hospital affiliated to Shanghai Jiao Tong University, School of Medicine
Eligibility
Sex/Gender
All
Age
18 Years to 50 Years
Inclusion criteria
Inclusion criteria: 1. Aged 18-50 years; 2. Patients who need to repair a single anterior or posterior tooth; 3. After complete root canal treatment or large area defect of vital pulp teeth, the affected teeth meet the indications of full crown restoration; 4. No obvious apical lesions, no loosening, alveolar bone resorption within 1/3 of the root length; 5. Physical health, or well-controlled systemic diseases; 6. Voluntary signature of informed consent.
Exclusion criteria
Exclusion criteria: 1. The patient has temporomandibular joint disorder syndrome and has not been treated perfectly; 2. The patient has severe malocclusion in dentition, which affects the normal occlusal contact; 3. The patient has poor oral hygiene maintenance and plaque accumulation; 4. The patient has mental disorder and no behavioral autonomy; 5. Pregnant or lactating women.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Prosthetic occlusion; | — |
Secondary
| Measure | Time frame |
|---|---|
| Occlusal grinding times of the restoration;Gingival index of abutment teeth;Restoration status at follow-up; | — |
Countries
China
Contacts
Public ContactXiaoyu Gu
Ninth People's Hospital affiliated to Shanghai Jiao Tong University, School of Medicine
Outcome results
None listed