Four Locator Attachment Mandibular Overdentures

Mohamed Elsawy

Status

Enrolling

Conditions

Bone Resorption

Treatments

Other: observation

Study type

Observational

Funder types

Other

Identifiers

NCT05910333

A0103023RP

Details and patient eligibility

About

. 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.

Full description

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.

Enrollment

20 estimated patients

Sex

All

Ages

55 to 80 years old

Volunteers

No Healthy Volunteers

Inclusion criteria

Patients with 4 implants in the inter-foraminal region.
Patients treated by staff and students in the Master's program in Prosthodontics Department according to the following criteria:
Edentulous maxilla and mandible for at least 1 year.
Problems with retention and stability of the mandibular denture.
Mandibular bone height between 15 and 25 mm.

Exclusion criteria

Patients with relative contraindications, such as
A history of para functional habits.
Smokers more than 10 cigarettes per day.
alcoholism.
Patients with a history of radiation therapy in the head and neck region . • Patients within intravenous administrated bisphosphonates., chemotherapy, and mental disorders that could jeopardies their co-operation.