. There is little information on the degree of crestal bone loss around 4 inter-foraminal implant-retained mandibular overdentures (OVDs) and the amount of bone remodelling on the anterior maxilla and posterior mandibule on long-term function, particularly with different distributions.
Numerous studies confirm the successful use of implants to retain prostheses in the edentulous atrophic mandible. It has been recommended by some authors that clinicians should use 3 or 4 implants in situations that require increased retention, such as high muscle attachment or prominent mylohyoid ridge. LOCATOR attachment as a retentive component has several advantages over other systems, Such as: dual retention through both external and internal mating surfaces, a self-aligning feature which is helpful in guiding patients when placing their denture. There is little information on the degree of crestal bone loss around 4 inter-foraminal implant-retained mandibular overdentures (OVDs) and the amount of bone remodelling on the anterior maxilla and posterior mandibule on long-term function, particularly with different distributions.
Study Type
OBSERVATIONAL
Enrollment
20
To compare the effect of the mandibular implant retained OVD using quadrilateral distribution (QD) versus linear distribution (LD) on posterior mandibular ridge resorption (PMandRR), anterior maxillary ridge resorption (AMaxRR), and changes to the crestal bone level around implants after 10 years of function.
Mohammed El Sawy
Multiple Locations, Egypt
RECRUITINGPosterior mandibular ridge resorption (PMandRR)
The amount of PMandRR will be assessed using posterior area index on a panoramic x-ray which use specific landmarkds.
Time frame: 10 years retrospective study
Anterior maxillary ridge resorption (AMaxRR)
The amount of PMandRR will be assessed using anterior area index on a panoramic x-ray, which use specific landmarks.
Time frame: 10 years
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