My age is 53 and there is a small gap b.

You need to visit us for an evaluation of gap between teeth..there could be many reasons.. accordingly we can guide you on treatment plan..or it could help if you could post a few pictures of ur concerned Gap in between teeth..to suggest possible options..but best would be to drop-in in-person for a thorough evaluation..of ur concern..to suggest/recommend viable treatment options..that would suit ur case..it varies with nature of problem.. gravity of the issue in concern..but most definitely not Scaling as far as I know...braces ..crowns n bridges.. splinting etc r used to cover up gaps..we need to actually see u in person before we can suggest u a treatment plan nd explain you pros nd cons..estimate cost ..based on which u can take a call ..