Bianca Censori appears to be a big fan of husband Kanye West’s flashy new smile. On Monday, January 22, the rapper and his wife were out in Los Angeles, Calif., when photographers got a glimpse of her phone, which had a lock screen image of West’s $850K titanium teeth. The dad-of-four, 46, debuted the pricey upgrade earlier this month, with an insider referring to them as “fixed prosthodontics.” “They are, as the name suggests, fixed and permanent,” the source spilled to a news outlet. “This goes way beyond veneers or grills. And his particular implant is quite unlike anything that has been do…