Os sistemas adesivos são empregados como mecanismos de retenção micromecânica, e a) um dos seus principais componentes, o adesivo, apresenta moléculas hidrofóbicas.

c) é obrigatório o uso do primer quando a adesão for realizada em esmalte.

d) as moléculas hidrofílicas do adesivo dispensam o uso do primer em esmalte.

b) sua adesão à estrutura dental depende de uma reação química entre o adesivo e a estrutura do esmalte.

e) o condicionamento ácido não é necessário quando se realiza a adesão em dentina.

The youngest babies change position once every on average. a. 5 minutes b. half hour c. minute d. 10 minutes

Which of the following is not a possible cause of conduction deafness? a) cochlear nerve degeneration b) middle ear infection c) impacted cerumen d) otosclerosis

Awoman comes to your genetic counseling center because she knows that huntington disease occurs in members of her family. her paternal grandfather was afflicted, but so far her father shows no symptoms. her two great-great grandmothers on her father's side were healthy well into their 90s, and one of her great-great grandfathers died of unknown causes at 45. testing for huntington disease is extremely expensive, but she is concerned that she may fall victim to this disease and wants to plan her life accordingly. after examining her pedigree you advise her to