Dentition defect
Conditions
Interventions
Experimental group:Root canal guided immediate implantation technique
Control group:Free Hand Immediate Planting Technology
Sponsors
Hospital of Stomatology, Sun Yat-Sen University
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: In the study on the intervention factors of flapless technique, the inclusion criteria are: (1) Patients with single tooth loss in the maxillary aesthetic school district received immediate implantation and immediate restoration, and were followed up clinically for at least 1 year after the final restoration was completed; (2) During the preparation process of the implantation site, standard immediate implantation surgery procedures were accepted, and lip side non flap technique intervention was performed at the same time; (3) No history of heavy smoking (>10 cigarettes/day); (4) Neat arrangement of teeth, normal bite relationship, no night grinding or clenching of teeth; (5) No acute inflammation in the surgical area; (5) Reasons for missing teeth include traumatic crown fracture, root fracture, dental caries, and failure of root canal treatment that cannot be preserved; (6) Adjacent teeth have not undergone restorative treatment, and there are no serious dental or periodontal diseases; (7) The bone mass in the dental implant area is sufficient, with vertical bone resorption not exceeding 1mm, and the thickness of the labial bone plate is at least 1mm; (8) The ideal three-dimensional position for implant placement; (9) Good initial stability, implantation torque >= 35N · cm, Zimmer company product selected for implantation system; (10) Good oral hygiene and patient compliance; (11) Informed consent form signed before surgery. In the study of intervention factors for root canal guided implantation site preparation technology, the inclusion criteria are: (1) No systemic diseases; (2) No history of heavy smoking (>10 cigarettes/day); (3) Neat arrangement of teeth, normal bite relationship, no night grinding or clenching of teeth; (4) No acute inflammation in the surgical area; (5) Reasons for missing dental crowns include traumatic crown fracture, root fracture, dental caries, and failure of root canal treatment that cannot be preserved; (6) Adjacent teeth have not undergone restorative treatment, and there are no serious dental or periodontal diseases; (7) The bone mass in the dental implant area is sufficient, with vertical bone resorption not exceeding 1mm, and the thickness of the labial bone plate is at least 1mm; (8) Good initial stability, implantation torque >= 35N · cm; (9) Good oral hygiene, good patient compliance, able to follow up on schedule and adhere to postoperative precautions.
Exclusion criteria
Exclusion criteria: (1) People with systemic diseases (such as uncontrolled diabetes) that can interfere with the normal process of osseointegration; (2) Long term use of Ziti or amino bisphosphonates; (3) Allergens to the materials and drugs used in this experiment; (4) There are acute infections in the surgical area; (5) Heavy smokers (>10 cigarettes/day); (6) Alcoholics or drug addicts; (7) Individuals with severe occlusal dysfunction (such as night grinding and clenching teeth); (8) Patients with partial or severe vertical defects of the labial bone plate at the extraction site; (9) After implantation, there is no good initial stability of the implant, and the implantation torque is less than 35 N.Cm; (10) Individuals with extremely poor oral hygiene conditions; (11) Individuals with mental illnesses who are unable to cooperate.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Three-dimensional site positioning;Labial convexity score;Pink esthetic score; | — |
Secondary
| Measure | Time frame |
|---|---|
| Esthetic risk assessment;Visual analog scale(patient satisfaction);Marginal bone loss; | — |
Countries
China
Contacts
Public ContactHu Xiaowen
Hospital of Stomatology, Sun Yat-Sen University
Outcome results
None listed