What do systematic reviews say?

Composite resin with etch-and-rinse (total-etch) adhesion vs Composite resin with self-etch adhesion (same universal adhesive)

No comparative effect estimate was reported; etch-and-rinse had a higher tabulated failure rate.

• Clinical effectiveness of restorative materials for the restoration of carious primary teeth without pulp therapy: a… 2022 All outcomes

  1.5 years · University
  Annual failure rate (%) etch-and-rinse 19.5%; self-etch 7.0%
  1 study · 44 participants
  GRADE not reported