SLB braces are a newer generation of braces which have very less friction between the brackets and wire, so in other words,they have faster movement.
Regarding tooth extraction, it's not true for all cases, certain kind of crowding and proclination cases, can be made in to non extraction Cases.
Next Steps
kindly visit an Orthodontist, nearby and discuss your concerns and exceptions with him/her, and come to a conclusion.
Health Tips
if in Bangalore, visit us at Comfort dental zone, Horamavu, Bangalore