Alignment efficiency of coaxial tubular superelastic nickel-titanium vs single-stranded superelastic nickel-titanium in relieving mandibular anterior crowding in extraction cases: A single-centre randomized controlled clinical trial
Arch expansion efficiency of coaxial tubular superelastic nickel-titanium in comparison to single-stranded superelastic nickel-titanium while relieving mandibular anterior crowding: A randomized controlled study