Insufficient bone mass in posterior maxillary region
Conditions
Interventions
Group A: Control group, Bio-Oss bone meal was implanted during external maxillary sinus lift
:Bio-Oss bone meal was implanted during external maxillary sinus lift
Group B: Iliorui bone powder was implanted during external maxillary sinus lift:Iliorui bone powder was implanted during external maxillary sinus lift
Group C: Plasma matrix bone fragments made of iliorui bone meal and plasma matrix were implanted during external maxillary sinus lift
:Plasma matrix bone fragments made of iliorui bone meal and plasma matrix were implanted during external maxillary sinus lift
Group D: Bio-Oss bone meal and plasma matrix bone pieces were implanted during external maxillary sinus lift.:Bio-Oss bone meal and plasma matrix bone pieces were implanted during external maxillary s
Sponsors
Stomatology Hospital of Wuhan University
Eligibility
Sex/Gender
All
Age
18 Years to 70 Years
Inclusion criteria
Inclusion criteria: (1) Age 18-70 years old (including 18 and 70 years old), gender is not limited; (2) The patient had at least one missing tooth in the maxillary posterior region that required implantation (14-17, 24-27); (3) The available alveolar bone height in the missing tooth area of the patient is less than 4 mm; (4) The alveolar bone width in the missing area of the patient was =6 mm; (5) Missing teeth for more than 3 months; (6) The patient voluntarily participated in the experiment and signed the informed consent.
Exclusion criteria
Exclusion criteria: 1) full mouth edentulous jaw; (2) maxillary sinus disease or previous maxillary sinus surgery; Severe perforation of maxillary sinus mucosa occurred during operation. (3) The patient has a blood disease; (4) severe kidney and/or liver disease; Congenital or acquired immunodeficiency; (5) Patients who are receiving radiotherapy or chemotherapy at the time of initial diagnosis; (6) Head and neck tumors; (7) Oral mucosal diseases; (8) pregnant and intended pregnant women of childbearing age and breastfeeding women; A male patient whose spouse intends to become pregnant; (9) Poor oral hygiene and poor patient compliance; (10) Tobacco abuse (daily > 20 cigarettes) or binge drinking (> 40mL of alcohol per day); (11) Patients with poorly controlled diabetes (fasting blood glucose > 6.8mmol/L) and poorly controlled hypertension (systolic blood pressure =160mmHg and/or diastolic blood pressure =100mmHg); (12) is undergoing oral or parenteral administration of bisphosphonate therapy; (13) Patients with acute periapical inflammation, progressive periodontal disease, refractory periodontitis history, infection, etc.; (14) Patients with other systemic diseases of the whole body, resulting in patients who cannot receive implant treatment. (15) Other patients determined by the investigator to be unsuitable for inclusion.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| New bone formation rate;Graft residue rate; | — |
Countries
China
Contacts
Public ContactYufeng Zhang
Hospital of Stomatology, Wuhan University
Outcome results
None listed