Study the Effect of Two Different Types of Attachment Systems on strain of Mandibular complete Overdentures Retained by Midline Implant | ||
| Al-Azhar Assiut Dental Journal | ||
| Article 5, Volume 4, Issue 1, April 2021, Pages 37-40 PDF (1.05 M) | ||
| Document Type: Original Article | ||
| DOI: 10.21608/aadj.2021.163879 | ||
| Authors | ||
| Mohamed A Salem* 1; Mostafa M Abd Al- Ghany2; Ehab M. Abd-Alhalim3 | ||
| 1Department of removable prosthodontics, Faculty of Dental medicine, (Assiut, Boys), Al-Azhar University, Egypt. | ||
| 2Department of removable prosthodontics, Faculty of Dental medicine, (Cairo, Girls), Al-Azhar University, Egypt | ||
| 3Department of removable prosthodontics, Faculty of Dental medicine, (Assiut, Boys), Al-Azhar University, Egypt | ||
| Abstract | ||
| Aim: This study was conducted to evaluate the effect ball and equator attachments strain (invitro study) of mandibular over denture retained by single midline implant for completely edentulous patient. Subjects and methods: Ten complete lower dentures have ball attachment and another ten complete lower dentures have equator attachment were constructed on ten acrylic models covered by rubber material to simulate oral mucosa have single midline implant, strain were evaluated around the mandibular midline implant and in the posterior area using strain meter after unilateral and bilateral loading by universal testing machine for each abutment individually. Results: When comparing strain in the peri implant area under unilateral and bilateral loading there is a significant increase in strain for ball than equator with insignificant increase in strain in the posterior area. Conclusion: According to this study strain around implant and posterior residual ridge of ball attachment more than equator one for mandibular over denture retained by single midline implant. | ||
| Keywords | ||
| Attachment Systems; ball and equator attachments; over denture; Platelet rich fibrin; Implant | ||
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