Dentin INTRO

enamel, dentin, pulp

enamel, dentin, pulp

3 main parts of the tooth

enamel

covers the crown of the tooth

dentin

forms the main bulk of the tooth

pulp

occupies the central portion of the tooth

dentin

provides the general form of the tooth

intact or sound tooth

dentin is not visible in

determines the shape of crown, including cusps and ridges and the number and size of the roots

functions of dentin

shape, cusps, ridges

the dentin determines the _____ of the crown including ______ and _____

roots

the dentin determines the number and size of the _____

number, size

the dentin determines the ________ and _____ of the roots

because it begins formation slightly before enamel

why does the dentin determine the shape of crown, including cusps and ridges and the number and size of the roots?

slightly before

the dentin begins formation _______ ___________ enamel

hard tissue with tubules throughout its thickness

characteristics of dentin

hard, tubules, thickness

the dentin is a ______ tissue with _________ throughout its ____________

processes, specialized

within the tubules of the dentin, there are ________ of __________ cells

odontoblasts

the processes of specialized cells are called?

bone

physically and chemically, the dentin closely resembles the structure of?

physically and chemically

_________ and ___________ the dentin closely resembles the structure of the bone

surface, enclosed, matrix, osteocyte

in bone, osteoblasts exists on the _________ of the bone and when one of these cells become _________ within its ________, it is called _______

cell bodies, external, processes, tubules

in dentin, odontoblasts’ ________________ remain ________ to dentin, but their _____ exists within ________ of dentin

tubules of dentin

odontoblasts cell bodies remain external to dentin but their processes exist within the?

matrix

the presence of dentin is necessary for the beginning of _____ formation

first layer of dentin is formed

ameloblasts enter their formative stage when?