Tag: "smile" at biology news
Tetracycline plus teeth equal gray smile
Many adults over age 35 cover their mouth to avoid smiling in public in order to hide their teeth darkened by tetracycline stains. Typically, invasive as well as costly treatment options, such as veneers, crowns and bonding, served as the only treatment options to help these individuals hide such stains and boost their self-esteem. . However, Kim L. Capehart, DDS, MBA, AGD member and clinician,...
A frown or a smile? Children with autism can't discern
When we have a conversation with someone, we not only hear what they say, we see what they say. Eyes can smolder or twinkle. Gazes can be direct or shifty. “Reading?these facial expressions gives context and meaning to the words we hear. . .. Led by Mari Davies, a UCLA graduate student in ps...