Loss or defect of dentition
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: (1) Informed consent signed; (2) Male or female aged 18-65 years old, Single dental implant; (3) No tissue defect or lesion; (4) Patient conformed to the indication of operation; (5) Following the doctor's advice, combined with follow-up observation.
Exclusion criteria
Exclusion criteria: (1) Attending another medical divice testing in 3 months; (2) Metal allergy patient; (3) weaker or innutrition; (4) Endocrine metabolic disease patient; (5) haematological or angiocardiopathy patient; (6) Bone disease patient such as bone tuberculosis/bone tumour and so on; (7) immune disease or infectious diseases; (8) Long-term drug users such as hormone/anticoagulant drug/bisphosphonate drugs; (9) Pregnant and lactating women; (10) neurological diseases such as epilepsia; (11) mental disorder; (12) Pathological changes of jaw bone; (13) Mucosal lesion; (14) Head and neck radiotherapy; (15) Sjogren syndrome; (16) periodontosis or Oral hygiene was appalling; (17) Bad occlusion habit such as grind one's teeth; (18) another unsuitable for testing condition; (19) Disobey the doctor's advice.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| No looseness of the implant;No photic zone around the implant;The vertical bone resorption is less than 1.0mm in the first year after implantation;No persistent and / or irreversible symptoms are found after implantation, such as pain, infection, neuroticism, sensory abnormalities, and neural tube injury;Satisfaction for aesthetic effect after repair;Cutting efficiency;Matching to implants; | — |
Secondary
| Measure | Time frame |
|---|---|
| Damage and loosening of implant and abutment;Peri-implant bone resorption;Fracture of implants;Infection after implantation;The absorption of alveolar ridge;Occlusal weight;Compliance of the dental drill; | — |
Countries
China
Contacts
Peking University Third Hospital