What is the main advantage of a precision attachment over a clasp-retained removable partial denture?

The principal advantage of a precision attachment is esthetics, because retention is achieved internally without display of metal clasps.Other options: Precision attachments are more expensive, more complex to maintain, and can increase abutment stress, so those are not advantages.Key exam takeaway: Precision attachments win on esthetics; the trade-offs are higher cost, complexity, and abutment loading.