dental anatomy Flashcards
how many roots in deciduous lower molars?
two
how many roots in deciduous upper molars?
three
how many teeth are in a deciduous set?
20 teeth
what are the cells that make dentine?
odontoblast cells
what are the cells called that form enamel?
Amenoblast cells- these lie at the ADJ
what is the ADJ?
amelodential junction the junction between/ boundary between the enamel and dentine layers.
what is the pulp?
the inner neuromuscular tissue of the tooth within the central pulp chamber.
what is the cementum?
a thin calcified covering of the root dentine only
what is dentine?
a less calcified tissue than enamel, which forms the inner bulk of the crown and root
what is enamel?
a highly calcified tissue covering the whole crown of the tooth- the hardest substance in the body
how does the deciduous/ primary dentition differ from the secondary set?
the primary only has 2 molars as opposed to 3 and no pre-molars present.
2 main disorders of the tongue
glossitis
dysphagia - difficulty swallowing
what Is the soft palate and its function?
a flap of soft tissue attached to the back of the hard palate. it seals off the oral cavity from the nasal cavity during swallowing.
