الفهرس 
Title : Retention of stud Attachment versus Bar clip Attachment Retaining Mandibular overdenture (Rct)
AbstractOnly 14 pages are availabe for public view
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Abstract
Objective The aim of this clinical study was to compare the overall satisfaction and retention values of two types of commonly used attachment systems in implant supported mandibular overdentures. Materials and methods: : Prior to implant installation, conventional complete dentures were fabricated for 22 completely edentulous individuals. Two implants were placed in the canine region following the two-stage flapless implant surgical protocol. After 4 months of healing, patients were randomly allocated into two groups: group 1 received ball and socket attachments and group 2 received bar and clip attachments. Patient satisfaction was assessed by VAS questionnaire and retention values were recorded using custom made testing device attached to a force meter at baseline (at the pick-up visit), three, six and twelve months after implant supported prostheses insertion. Result: The study showed significant superior retention values for bar attachment than ball attachment. Patient’s satisfaction scores showed no significant difference between both type of prostheses throughout the study period; however, patients’ satisfaction rates were improved while retention values were reduced significantly by time. Conclusion: The selection of a specific type of implant attachment for implant supported overdentures is dependent on multiple dentist as well as patient related factors.