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ORIGINAL ARTICLE
Year : 2020  |  Volume : 17  |  Issue : 2  |  Page : 64-72

Clinical and radiographic evaluation of three different types of attachment systems for immediately loaded two implants retained complete mandibular over dentures


1 Department of Prosthodontics, Ministry of Health, El-Mansoura, Egypt
2 Department of Prosthodontics, Faculty of Dentistry, Tanta University, Tanta, Egypt
3 Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, Tanta University, Tanta, Egypt

Correspondence Address:
Zakaria E Radwan
Specialist in Prosthodontic, Ministry of Health, Egypt Meniat El-naser, Elriyadh, El-Mansoura
Egypt
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/tdj.tdj_39_19

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Objective The aim was to evaluate clinically and radiographically three different types of attachment systems namely: ball and socket, locator, and magnet attachments for immediately loaded two implants retaining complete mandibular overdentures. Materials and methods Twenty-one completely edentulous male patients were selected for this study randomly classified into three groups, seven patients each. All patients received a conventional maxillary denture and implant retained mandibular over denture with ball and socket attachments for group A, with locator attachments for group B and with magnet attachments for group C. Clinical and radiographic evaluations were carried out for each patient in each group at time of denture insertion and at 3, 6, and 12 months following overdenture insertion. All data were collected, tabulated, and statistically analysed. Results All implants were successfully osseointegrated except one implant failed in one patient belonged to group C. Group A and group B recorded significant higher survival rate than group C. Group B recorded the highest implant stability, group C recorded the highest plaque score, No significant difference in gingival bleeding index between groups. Group C recorded the highest probing pocket depth, group C record significant higher mucositis and no significant difference between groups in sores, ulcers, hyperplasia and flappy ridges. There was no significant difference between groups in prosthetic complications. Group B showed the highest attachment replacement, group C recorded significant higher peri-implant marginal bone loss and residual ridge resorption distal to the implant. Conclusion With the exception of attachment replacement, group B attachment record significant higher survival rate, highest implant stability measurement, less peri-implant tissue changes, less peri-implant marginal bone loss and residual ridge resorption distal to the implant.


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