Tooth defect
Conditions
Interventions
Group 1:The first stage is to try on the control group restoration, and the second stage is to try on the experimental group restoration
Group 2:The first stage is to try on the experimental group restoration, and the second stage is to try on the control group restoration
Sponsors
Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine
Eligibility
Sex/Gender
All
Age
18 Years to 65 Years
Inclusion criteria
Inclusion criteria: 1. Age 18-65 years (including upper and lower limits), gender is not limited; 2. >=2 weeks after root canal treatment of the second molar; 3.No distal middle third molar was seen in the mouth; 4.No loosening of the maxillary teeth, and the occlusal relationship was normal.
Exclusion criteria
Exclusion criteria: 1.Severe temporomandibular joint disorder syndrome; 2.Presence of significant symphyseal interference; 3.Inability to perform crown restorations due to severe malocclusion, too large a dentin defect to obtain sufficient dentin shoulder collar, or too short a clinical crown; 4.Presence of bad habits such as lateral chewing, night grinding and clenching; 5.Uncontrolled systemic diseases or diseases of the oral cavity, such as caries and periodontal disease. 6.Cognitive dysfunction.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Occlusal tuning amount of the restoration; | — |
Secondary
| Measure | Time frame |
|---|---|
| Patient's occlusal contact time;Patient satisfaction;Clinician attunement time; | — |
Countries
China
Contacts
Public ContactYaqin Wu
Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine
Outcome results
None listed