Retainers Can give you Expansion?

[Paul Paulovski]

So apparently retainers can give about a 5-6 mm of maxilla expansion.They are called Angel retainers. Is this bs?Hypothetically, is 5-6 mm gonna really make a difference aesthetically?

 

[LukaKhang]

Look for yourself

 

[Paul Paulovski]

View attachment 4388246
Look for yourself

what was before tho?