The best replacement for inlay is onlay.

The best alternatives to inlay are rated as following:
★★★★★  onlay
★★★  filling
★★★  crown
★  root canal
★  magic inlay
★  onlay dental
★  puzzle inlay
★  amalgam
  gold inlay
  krone
  marquetry

Your alternative for inlay is not listed? Suggest!
Speaking about inlay, one probably shouldn't forget about wood.

Other search terms related to inlay and their ratings are:
★★★★★ wood
★★★★★ veneer
★★ tanzanite
You have in mind a companion for inlay and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of inlay in all years. Click on graph for more.
inlay
onlay
filling