{"version":"1.0","type":"link","title":"Extraction of four premolars in Black patients with bi-protrusion: aesthetic perceptions of professionals and lay people.","author_name":"Marques LS 외","author_url":"https://prs-insight.online/author/Marques%20LS","provider_name":"PRSinsight","provider_url":"https://prs-insight.online","thumbnail_url":"https://prs-insight.online/og/paper/6106","thumbnail_width":1200,"thumbnail_height":630}