People do clench their teeth because they are stressed, but we also find minor defects in the way they are biting.

Congenital defects may be noticed in childhood, but minor defects may not become evident until adult life, when compensatory mechanisms begin to fail.

An unusual performance in many respects but not worthy of the highest rating due to minor defects in performance or ineffective interpretation.

The bodies were then sandblasted and any minor defects were repaired.

Often this happens because book collectors judge minor defects in an old book so harshly as to make them seemingly unsaleable.