A hygienic oral pacification device includes a fluid-filled bladder. The bladder includes a nipple and alveolar ridge-mating flanges. The bladder is dynamically shaped and allows for pressures provided by the suckling child to re-shaping the bladder and flanges. A bite-block extends into the bladder to maintain a fluid path from nipple to flanges. As the child completes the suckling cycle, the bladder nipple is depressed and fluid is forced in the engorging flanges. The flanges thus cover the alveolar ridges and fill the vestibules. The flanges may be covered with a textured surface, or bristles, that provide mechanical brushing of oral surfaces. Denitrifies may be applied over the bristles to enhance cleaning.