Dentition Defect
Conditions
Interventions
The individualized one-piece zirconia abutment group (group A):The individualized one-piece zirconia abutment
The individualized titanium abutment group (group B):The individualized titanium abutment
The original titanium abutment group (group C) :The original titanium abutment
Sponsors
The Affiliated Hospital of Xuzhou Medical University
Eligibility
Sex/Gender
All
Age
16 Years to 60 Years
Inclusion criteria
Inclusion criteria: (1) Patients with dentition defects with 11, 21 and/or 12, 22 tooth loss; (2) Well-osseointegrated implants and screw-retained superstructure of implant-supported dentures,as shown in Figure 1d; (3) Healthy temporomandibular joint and oral soft and hard tissues with no progressive periodontitis; (4) Informed consent and able to cooperate with the study; (5) Complete clinical data; (6) No smoking habit.
Exclusion criteria
Exclusion criteria: (1) Patients with severe diabetes, cardiovascular and cerebrovascular diseases, hyperthyroidism, rheumatoid arthritis, malignant tumors, and other systemic diseases; (2) Patients with bruxism, third-degree deep overbite, cross bite, and other occlusal diseases and malocclusion; (3) Unable to cooperate with the investigators.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Microgaps at the implant-abutment interface;Microleakage at the implant-abutment interface; | — |
Secondary
| Measure | Time frame |
|---|---|
| Peri-implant probing depth;The number of sites positive for bleeding on probing in the peri-implant gingiva; | — |
Countries
China
Contacts
Public ContactFeng Yang
The Affiliated Hospital of Xuzhou Medical University
Outcome results
None listed