EVALUATION OF IMPLANT-ASSISTED MANDIBULAR OVERDENTURE WITH NEW METAL TO METAL INTERFACE ATTACHMENT SYSTEM (IN VITRO STUDY)
Ramadan, R., Mohamed, F., Gepreel, M. (2020). EVALUATION OF IMPLANT-ASSISTED MANDIBULAR OVERDENTURE WITH NEW METAL TO METAL INTERFACE ATTACHMENT SYSTEM (IN VITRO STUDY). EKB Journal Management System, 45(1), 106-111. doi: 10.21608/adjalexu.2020.79970
Rania E. Ramadan; Faten S. Mohamed; Mohamed A. Gepreel. "EVALUATION OF IMPLANT-ASSISTED MANDIBULAR OVERDENTURE WITH NEW METAL TO METAL INTERFACE ATTACHMENT SYSTEM (IN VITRO STUDY)". EKB Journal Management System, 45, 1, 2020, 106-111. doi: 10.21608/adjalexu.2020.79970
Ramadan, R., Mohamed, F., Gepreel, M. (2020). 'EVALUATION OF IMPLANT-ASSISTED MANDIBULAR OVERDENTURE WITH NEW METAL TO METAL INTERFACE ATTACHMENT SYSTEM (IN VITRO STUDY)', EKB Journal Management System, 45(1), pp. 106-111. doi: 10.21608/adjalexu.2020.79970
Ramadan, R., Mohamed, F., Gepreel, M. EVALUATION OF IMPLANT-ASSISTED MANDIBULAR OVERDENTURE WITH NEW METAL TO METAL INTERFACE ATTACHMENT SYSTEM (IN VITRO STUDY). EKB Journal Management System, 2020; 45(1): 106-111. doi: 10.21608/adjalexu.2020.79970

EVALUATION OF IMPLANT-ASSISTED MANDIBULAR OVERDENTURE WITH NEW METAL TO METAL INTERFACE ATTACHMENT SYSTEM (IN VITRO STUDY)

Alexandria Dental Journal
Article 18, Volume 45, Issue 1, April 2020, Page 106-111  XML PDF (414.77 K)
Document Type: Original Article
DOI: 10.21608/adjalexu.2020.79970
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Authors
Rania E. Ramadan email 1; Faten S. Mohamed2; Mohamed A. Gepreel3
1Demonstrator of Removable prosthodontics, Faculty of Dentistry, Alexandria University.
2Professor of Removable Prosthodontics, Faculty of Dentistry, Alexandria University.
3Associate Professor of Material Science and Engineering, School of Innovative Design Engineering, Egypt- Japan University of Science and Technology (E-Just).
Abstract
Introduction: A well-constructed two-implant-assisted mandibular overdenture can be a successful treatment option for completely edentulous patients as it helps improving the oral function and patient satisfaction through elimination of the fear of dislodgment during speech or mastication. Various attachment systems can be used for retaining mandibular overdentures such as bar, ball and socket, OT equator and locators. A new attachment system with metal to metal interface named Titach has evolved. During mastication, loads are transferred to alveolar bone surrounding the implants.
Objectives: This study was done to compare the stress transmitted to peri-implant tissues of implant-assisted mandibular overdenture using two different attachment designs; Titach attachment and locator attachment.
Materials and methods: A completely edentulous epoxy resin mandibular model was used in which two parallel dental implants were inserted at the canine region bilaterally. Sixteen mandibular implant-assisted overdentures were constructed forming two groups; each with different attachment design. Group I received 8 pairs of Titach attachment, while group II received 8 pairs of locator attachment. The difference in stress distribution was measured using strain gauges and compared between the two studied groups. Vertical load and oblique load (30o and 45o) of 50 and 100 N using the universal testing machine were applied bilaterally on the central occlusal fossae of mandibular first molars.
Results:There was no significant difference between group I and II upon application of vertical loading 50, 100N and 30o oblique loading 50 N. However, group I showed lower strain values upon application of 30o oblique loading 100N, 45o oblique loading 50N and 100N.
Conclusions: Titach attachment with metal to metal interface showed less strain values with favourable stress distribution when compared to zest anchor locator attachment with nylon interface for implant-assisted mandibular overdenture.
Keywords
implant-assisted overdenture; locator; Titach; strain gauges
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