Clinical Results of Implant-retained Mandibular Overdentures in Edentulous Patients

Clinical Results of Implant-retained Mandibular Overdentures in Edentulous Patients: A 5-year Retrospective Study

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.

Inclusion Criteria:

1. Patients treated with implant retained overdentures
2. With the ability to read and sign the informed consent document

Exclusion Criteria:

1. Jaw radiotherapy treatment before and after implanting
2. Patients who suffered with mental and psychological disease will influence their oral health normal maintenance
3. Can not read and sign the informed consent document