Pomfrey attends to her in the hospital wing and, at her request, shrinks the teeth down to a normal size that matches her mouth. In the films, her hair is less bushy and she always has regular teeth except for a scene at the end of Philosopher's Stone where Emma Watson wore fake teeth. She stopped wearing them for the rest of the films because they caused difficulties in speech. There is controversy over whether Hermione's skin colour is ever categorically established in the books. Some take as proof a line from Prisoner of Azkaban: "Hermione's white face was sticking out from behind a tree." They interpret this as a direct description of her skin tone. Others interpret it as a description relative to her usual complexion, arising due to fright and anxiety as she watches Harry Potter's attempt to save the hippogriff Buckbeak from execution. J.K. Rowling herself says Hermione "turned white" in that she "lost colour from her face after a shock." Another description from early in Prisoner of Azkaban is: "They were there, both of them, sitting outside Florean Fortescue's Ice-Cream Parlour, Ron looking incredibly freckly, Hermione very brown, both waving frantically at him." Some claim this is a direct description of her skin colour, while others claim it's a relative description of the results of a tan acquired over the summer break. Personality Hermione's most prominent features include her prodigious intellect and cleverness. She is levelheaded, book-smart, and always very logical. Throughout the series, Hermione uses the skills of a librarian and teacher to gather the information needed to defeat Voldemort, the "Dark Lord". When in doubt, she always turns to the school library. She is often bossy yet unfailingly dutiful and loyal to her friends—a person who can always be counted on. J.K. Rowling said that Hermione "never strays off the path; she always keeps her attention focused on the job that must be done." Despite Hermione's intelligence and bossy attitude, Rowling says Hermione has "quite a lot of vulnerability in her personality," as well as a "sense of insecurity underneath," feels, "utterly inadequate... and to compensate, she tries and strives to be the best at everything at school, projecting a confidence that irritates people." During her DADA exam at the end of Prisoner of Azkaban, Hermione reveals that her biggest fear is failure after a Boggart takes the form of Professor McGonagall and tells