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The purpose of this study is to evaluate the clinical results of implant-retained mandibular overdentures in edentulous patients.
The survival of implants,condition of the peri-implant soft tissue were evaluated. And patients' perceptions regarding the outcome were assessed on visual analog scales (VAS), oral health impact profile-14 (OHIP) and semantic differential scale questionnaires.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| implant retained-overdentures with the attachment of bar | patients treated with implant-retained overdentures,and the attachment is bar |
| |
| implant retained-overdentures with the attachment of magnet | patients treated with implant-retained overdentures,and the attachment is magnet |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| implant-retained overdentures | Device | patients treated with an implant-retained overdenture in the mandible |
|
| Measure | Description | Time Frame |
|---|---|---|
| Survival of implants | through study completion, an average of 1 year |
| Measure | Description | Time Frame |
|---|---|---|
| Gingival Bleeding on Probing | Gingival bleeding on probing (BOP) using the modified sulcus bleeding index for implants. Scale equals 0 = No bleeding when periodontal probe is passed along the gingival margin;1 = Isolated bleeding spots visible;2 = Blood forms a confluent red line on the gingival margin;3 = Heavy or profuse bleeding | through study completion, an average of 1 year |
| Measure | Description | Time Frame |
|---|---|---|
| patients' satisfaction | patients' satisfaction were assessed on visual analog scales (VAS) | through study completion, an average of 1 year |
| oral health-related quality of life | Patients completed a 14-item Oral Health Impact Profile (OHIP-14) to assess oral health-related quality of life |
Inclusion Criteria:
Exclusion Criteria:
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Patients treated with implant retained overdentures at the Department of Prosthodontics, School of Stomatology of the Fourth Military Medical University between July 2011 to May 2014.
| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Ji hua chen, PhD | Contact | 029-84776329 | hchen@fmmu.edu.cn |
| Name | Affiliation | Role |
|---|---|---|
| Yong jin chen | IRB of Stomatological Hospital of FMMU,PLA | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Stomatological Hospital of Fourth Military Medical University | Recruiting | Xi’an | Shanxi | China |
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| ID | Term |
|---|---|
| D009066 | Mouth, Edentulous |
| ID | Term |
|---|---|
| D009059 | Mouth Diseases |
| D009057 | Stomatognathic Diseases |
| D014076 | Tooth Diseases |
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| Pocket depths | Pocket depths measured around implants in millimeter (mm) | through study completion, an average of 1 year |
| Marginal bone loss | through study completion, an average of 1 year |
| through study completion, an average of 1 year |