You can try using pink tepe brushes. Pink denominates the size of the brush which I believe is 0.3mm. These are interdental brushes which have the same purpose as floss, to clean in between the teeth.
There is also superfloss. One end of rigid and is used like threading “cotton through a needle”. Once this is through you can floss in between.
Floss varies quite a lot. My preference is floss tape such as Satin Floss by Oral-B. I use this on a regular basis!
Dr Kailesh Solanki
Kissdental
157 Woodsend Road, Flixton, Manchester, M41 8GN
Web: www.kissdental.co.uk Tel: 0161 748 5250