partial edentulous arch
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: (1) Patients’ age = 18 years old, male or female; (2) The general condition is good, the oral hygiene is good, there is no severe gingivitis, no serious abnormality of the tooth-jaw relationship, and no periodontal disease; there are no abnormalities in blood routine, blood coagulation routine, five items of hepatitis B, HIV, TP and other examinations; (3)The patient agreed to participate in this study and signed the informed consent form; (4)Not participating in other clinical trials within three months; (5)By examining patients who meet the clinical criteria for short implant placement; (6)Implant restoration of severe atrophy, serious maxillary bone loss caused by pneumatization, serious alveolar bone resorption in the posterior region caused by age-related changes, and restoration of insufficient bone mass in the posterior region caused by severe periodontal disease; (7)Implant restoration of the insufficient area due to failure of conventional maxillary sinus elevation; (8)Implant restoration for the serious atrophy area due to tumor removal or mandibular resection; (9)The patients are unacceptable to use block bone grafting to repair dentition defects and defects. Patients do not accept defect repair using the invasive and expensive zygomatic and pterygoid surgery.
Exclusion criteria
Exclusion criteria: (1)Patients who are younger than 18 or older than 90; (2)Patients with psychological or mental diseases who cannot cooperate with treatment; (3)Patients who are deemed unfit to participate by the attending physician; (4)Patients who are not eligible for the implant restoration by examination, including: ?Uncontrolled diabetes or other systemic disease; ?Untreated periodontitis or other oral disease; ?Previous bone augmentation surgery at the surgical site; ?heavy smoker; ?History of taking phosphate medications.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Implant Stability Quotient;Implant retention rate;Bone tissue evaluation indicators; | — |
Secondary
| Measure | Time frame |
|---|---|
| Periodontal evaluation indicators;Visual Analog Scale;Clinical observation indicators; | — |
Countries
China
Contacts
The Affiliated Hospital of Qingdao University, Qingdao, China