Partial extraction therapy versus conventional immediate implantation and their effect on vertical and buccal horizontalsuppoting bone resorption of mandibular overdenture | ||
| Egyptian Dental Journal | ||
| Article 16, Volume 66, Issue 4 - October (Fixed Prosthodontics, Removable Prosthodontics and Dental Materials), October 2020, Pages 2587-2596 PDF (1.32 M) | ||
| Document Type: Original Article | ||
| DOI: 10.21608/edj.2020.40759.1228 | ||
| Authors | ||
| Ahmed mohamed osama ahmed shawky* ; noha Helmy Hassan Nawar | ||
| Assistant professor, prosthodontic department,Faculty of dentistry Ain-shams university | ||
| Abstract | ||
| The Purposeof this study is to estimate the effect of partial extraction therapy (PET) with immediate implantation versus conventional immediate implantion in preserving vertical height and labial thickness supporting two implants retaining overdenture Material and method: Fourteen male patients of 60 - 70 years age having completely edentulous maxillary arch and bilateral standing canines in the mandibular arch indicated for extraction were selected to participate in this study and allocated into 2 groups, Group I: Patients of this group were rehabilitated with implant retained mandibular overdenture with two immediately placed implants for the bilateral canines while Group II: Patients of this group were rehabilitated with implant retained mandibular overdenture with two immediately placed implants following one of the PET( socket shielding technique) for the bilateral canines. Radiographic evaluation using CBCT was done to evaluate the amount of vertical bone loss and thickness of labial plate throughout the follow –up period Results : there was a significant decrease in thickness of labial plate of bone in group I and II through out the follow up period, and on comparing the two groups there was statistical significance after one year.There was significant increase in vertical bone loss in group I and II through-out the follow up period ,meanwhile on comparing the two groups regarding the vertical bone loss there was statistical significance after 6 months and after one year.(p≤ 0.05) Conclusion it could be concluded that partial extraction technique (socket shielding) enhances immediate implantation osseointegration and preserves supporting bone | ||
| Keywords | ||
| partial extraction therapy; immediate implantation; overdenture | ||
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