defect of dentition
Conditions
Interventions
Test group:designing prosthetic anterior guides by improved patient specific motion technique
control group: designing prosthetic anterior guides by virtual articulator
Sponsors
Peking University School of Stomatology
Eligibility
Sex/Gender
All
Age
20 Years to 70 Years
Inclusion criteria
Inclusion criteria: 1.Age 20-70 years old; 2.1-2 missing maxillary incisors have undergone implant surgery and plan to undergo implant fixed prostheses; 3.Preoperative occlusal examination without obvious abnormalities (no early contact or occlusal interference), and no clinical symptoms; 4.No significant abnormalities in non median functional movements; 5.Periodontal health or well-established systematic periodontal treatment; 6.The patient has signed an informed consent form.
Exclusion criteria
Exclusion criteria: 1.Missing canine teeth; 2.Adjacent or opposing teeth in the missing tooth area are implant restorations; 3.temporomandibular joint diseases; 4.Existence of oral side effects; 5.After wearing the implant restoration, the distribution of occlusal force in the anterior teeth was changed and the treatment was guided; 6.History of chemotherapy and radiation therapy within 5 years prior to surgery. 7.Pregnant and lactating women; 8.Smoking>10 cigarettes/day; 9.Taking steroids or bisphosphonates; 10.Patients have physical disabilities or mental illnesses that affect oral hygiene care; 11.There are situations that may affect the completion of the study or interfere with the analysis results.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Adjustment volume; | — |
Secondary
| Measure | Time frame |
|---|---|
| Adjusting time;Clearance value of occlusal surface;Final selection of restoration groups;Occlusal contact quality;Satisfaction; | — |
Countries
China
Contacts
Public ContactLei Zhang
Peking University School of Stomatology
Outcome results
None listed