Dentition Defect
Conditions
Interventions
PCC implant with lateral elevation of the maxillary sinus:placement of PCC implant and treatment of lateral elevation of the maxillary sinus
PCC implant:only placement of PCC implant
other implant with lateral elevation of the maxillary sinus :placement of other implant and treatment of lateral elevation of the maxillary sinus
other implant :only placement of other implant
Sponsors
The Affiliated Hospital of Stomatology, School of Stomatology, Zhejiang University School of Medicine
Eligibility
Sex/Gender
All
Age
18 Years to 80 Years
Inclusion criteria
Inclusion criteria: 1.Informed consent was obtained; 2.Patients aged >=18 years; 3.Loss of single tooth in posterior maxillae (molar or premolar), in need for one implant; 4.There is vertical resorption at tooth loss site, and the vertical height of residual ridge is over 10 mm for the control group, while the vertical height of residual ridge is less than 6mm for atrophic group; 5.Patients receive treatment involving lateral elevation of the maxillary sinus in combination with the placement of NobelParallel CC implants in PCC group; while in control group, patients receive lateral elevation of the sinus as well as simultaneous implantation of implants of other brands. 6.Horizontal width of the residual bone at the edentulous site is over 6mm.
Exclusion criteria
Exclusion criteria: 1.General contraindications to implant surgery; 2.Subjected to irradiation in the head and neck area within two years prior to treatment; 3.Poor oral hygiene conditions (median of full mouth plaque index >= 2); 4.Uncontrolled diabetes (HbA1c > 8.0% or FBG > 150mg/dl); 5.Pregnant or nursing; 6.Psychiatric problems; 7.HIV infected patients; 8.Heavy smoking( > 20 cigarettes/day); 9.Benign or malignant tumors in the area intended for implant placement; 10.Treated or under treatment with intravenous amino-bisphosphonates; 11.Acute or chronic local inflammation including untreated periodontitis; 12.Extraction sites with less than 3 months of healing; 13.Severe bruxism or clenching habits; 14.Bone defect diseases such as osteoporosis.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| marginal bone level;implants survival rate;prosthetics survival rate;implant stability quotient;peri-implant probing pocket depth;modified plaque index;gingival bleeding index; | — |
Countries
China
Contacts
Public ContactHe Fuming
The Affiliated Hospital of Stomatology, School of Stomatology, Zhejiang University School of Medicine
Outcome results
None listed