Dentition Defect
Conditions
Interventions
short implant group:placement of short implant
conventional implant group:placement of conventional implant
Sponsors
The Affiliated Hospital of Stomatology, School of Stomatology, Zhejiang University School of Medicine
Eligibility
Sex/Gender
All
Age
18 Years to No maximum
Inclusion criteria
Inclusion criteria: 1.Patient aged >=18 years and sign the informed consent; 2.loss of single tooth in posterior mandible(molar or premolar), in need for one implant; 3.There is vertical resorption at tooth loss site and the vertical height of residual ridge is 7-10 mm; 4.Horizontal width of the residual bone at the tooth loss site >= 6mm; 5.Patient recieve treatment involving the placement of a NobelParallel CC short implants (7 or 8.5 mm) in the native bone or standard-length implants (>= 10 mm) in ridges augmented; 6.a follow-up period of 1 year from final restoration.
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.benign or malignant tumors in the area intended for implant placement; 4.treated or under treatment with intravenous amino-bisphosphonates; 5.untreated periodontitis; 6.poor oral hygiene and motivation(median of full mouth plaque index >=2); 7.uncontrolled diabetes(HbA1c>8.0% or FBG>150mg/dl); 8.pregnant or nursing; 9.psychiatric problems; 10.lack of opposite occluding dentition in the area intended for implant placement; 11.acute or chronic infection/inflammation in the area intended for implant placement; 12.extraction sites with less than 3 months of healing; 13.heavy smoking(>20 cigarettes/day).
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| marginal bone level;implants survival rate;prosthetics survival rate;patient-reported outcome;implant stability quotient;modified plaque index;gingival bleeding index;peri-implant probing pocket depth; | — |
Countries
China
Contacts
Public ContactHe Fuming
The Affiliated Hospital of Stomatology, School of Stomatology, Zhejiang University School of Medicine
Outcome results
None listed