Ball-springs require more repair than bar-clip implant-supported mandibular dentures

Article Title and Bibliographic Information

A clinical trial of patient satisfaction and prosthodontic needs with ball and bar attachments for implant-retained complete overdentures: three-year results.

MacEntee MI, Walton JN, Glick N. J Prosthet Dent 2005;93(1):28-37.

Level of Evidence

1b

Purpose/Question

Which type of implant-supported mandibular denture was more satisfactory to patients, the bar-spring or the bar-clip attachment? In addition, which attachment required more maintenance?

Source of Funding

Government

Type of Study/Design

Stratified randomized controlled trial