The best replacement for scraper is toothbrush.

The best alternatives to scraper are rated as following:
★★★★★  toothbrush
★★★★★  rear blade
★★★  scrapper
★★★  scraper
★★  crawler
★★  windage tray
★★  box blade
★★  spatula
★  putty knife
★  tongue brush
★  trypsin
★  orabrush
★  rubber spatula
  grader
  york rake
  tongue cleaner
  boot brush

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

Other search terms related to scraper and their ratings are:
★★★★★ glove
★ mitten
You have in mind a companion for scraper and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of scraper in all years. Click on graph for more.
scraper
toothbrush
rear blade