The objective of this study is to compare two surgical procedure to place implant in severely resorbed posterioir part of the maxilla.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Enrollment
60
Placement on residual bone around the implant
Allograft bone
Hospices Civils de Lyon - Service de Consultations et Traitements Dentaires
Lyon, France
Treatment success
Treatment success is defined as followed : a "yes" must be obtain for the 4 following item. * Each implant are placed as planned (location and time) before surgery for each patient * Implant stability for each implant at follow-up stage * No radiolucent image around each implant * No pain no infection and paresthesia around each implant
Time frame: 2 years
Accuracy of the image guided system used
Implant placed or not
Time frame: During surgery
Treatment success
Time frame: 5 years
Replacement of missing teeth
Time frame: 4 month after surgery
Angulation of implant
Time frame: 4 month after surgery
Cost of treatment
Medical economic aspect
Time frame: 4 month after surgery
Patient pain
Pain is evaluated by the patient using both a analogic visual scale ranging from 0 to 10 and qualitative data (null, moderate, important, severe). Time of pain evaluation: Arm: graft procedure * Day of graft procedure * 1 week after graft procedure * Day of implant placement (6 months after graft) * 1 week after implant placement Arm: image-guided surgery * Day of implant placement * 1 week after implant placement
Time frame: 1 week after implant placement procedure
Patient satisfaction
Satisfaction is evaluated using qualitative data after surgery (how unconfortable was the surgery: very hard, hard, not hard, no opinion) and 1 year after prosthesis loading (treatment fulfill your expectation: no - not satisfied - satisfied - very satisfied. After surgery (graft procedure and implant placement, the following question is also asked to the patient : would you recommend the surgical procedure to a friend. Time of satisfaction evaluation: Arm : graft procedure * 1 week after graft surgery * 1 week after implant placement * 1 year after prosthesis loading Arm : image-guided surgery * 1 week after surgery (implant placement) * 1 year after prosthesis loading
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Time frame: 1 year after prosthesis loading