# Retention and marginal bone loss in attachment systems for implant retained overdentures

## TL;DR

This study compares how well different attachment systems work for implant-retained overdentures, focusing on retention and bone loss.

## Contribution

The study provides a direct comparison of ball, bar, and locator attachment systems in terms of retention and bone preservation.

## Key findings

- The bar system showed the highest retention among the three attachment systems.
- The bar system also outperformed others in preserving marginal bone and patient satisfaction.

## Abstract

Comparison of retention and marginal bone loss of ball, bar and locator attachment systems for implant retained overdentures it is of
interest. Hence, related data were collected from 75 patients. Retention was highest for the bar system, while the locator and ball
systems exhibited moderate and significant reductions. The bar attachment system outperformed ball and locator systems in retention,
marginal bone preservation and patient satisfaction, making it the most effective option for implant-retained overdentures.