Loss of single anterior tooth
Conditions
Interventions
Experimental group:Placement of 3D-printed zirconia healing abutments
Sponsors
Shanghai Stomatological Hospital
Eligibility
Sex/Gender
All
Age
18 Years to 65 Years
Inclusion criteria
Inclusion criteria: 1.Age and Health Status: Subjects aged 18 to 65 years, classified as ASA Physical Status Class I or II by the American Society of Anesthesiologists (ASA), with good general physical health and tolerance to routine oral implant surgery. 2.Local Oral Conditions: Patients requiring secondary surgery for early or delayed implantation in the maxillary anterior region; adjacent teeth in the edentulous area are healthy without active caries or periodontitis; no obvious gingival black triangles; sufficient width and height of the alveolar ridge, allowing placement of standard-diameter implants as assessed via cone-beam computed tomography (CBCT). 3.Oral Hygiene and Treatment Compliance: Good oral hygiene status (plaque index <= 1); capable and willing to maintain optimal oral hygiene, and commit to completing all follow-up visits as scheduled. 4.Informed Consent: Voluntarily participate in this study, understand the research procedures, and sign the informed consent form.
Exclusion criteria
Exclusion criteria: 1.Systemic Diseases: Uncontrolled systemic diseases, including uncontrolled diabetes mellitus (HbA1c > 7.5%), osteoporosis, immunodeficiency disorders, coagulation disorders, malignant tumors, etc. 2.Unhealthy Habits and Medical History: Heavy smokers (daily cigarette consumption > 10 cigarettes); history of head and neck radiotherapy; current or previous intravenous bisphosphonate therapy. 3.Local Oral Conditions: Presence of uncontrolled periodontitis or peri-implantitis; severe bruxism or clenching habits; acute infection or inflammation in the edentulous area; severe occlusal discrepancy. 4.Special Physiological Status: Pregnant or lactating women. 5.Allergy History: Known allergy to titanium, zirconia or other materials related to this study. 6.Others: Patients with mental or psychological disorders that prevent cooperation with treatment and follow-up; other conditions deemed unsuitable for participation in this study by the investigators.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Modified Plaque Index, mPIL; | — |
Secondary
| Measure | Time frame |
|---|---|
| Aesthetic scores of definitive restorations;Clinical efficiency indicators;Modified Bleeding Index, mBI; | — |
Countries
China
Contacts
Public ContactWenjin Li
Shanghai Stomatological Hospital
Outcome results
None listed