DENTIN

Pronunciation (US):

(GB):

IPA (US):

 Dictionary entry overview: What does dentin mean? 

• DENTIN (noun)
  The noun DENTIN has 2 senses:

1. a calcareous material harder and denser than bone that comprises the bulk of a tooth

2. bone (calcified tissue) surrounding the pulp cavity of a tooth

  Familiarity information: DENTIN used as a noun is rare.

 Dictionary entry details 

• DENTIN (noun)

Sense 1

Meaning:

A calcareous material harder and denser than bone that comprises the bulk of a tooth

Classified under:

Nouns denoting substances

Synonyms:

dentin; dentine

Hypernyms ("dentin" is a kind of...):

animal material (material derived from animals)

Hyponyms (each of the following is a kind of "dentin"):

ivory; tusk (a hard smooth ivory colored dentine that makes up most of the tusks of elephants and walruses)

Sense 2

Meaning:

Bone (calcified tissue) surrounding the pulp cavity of a tooth

Classified under:

Nouns denoting body parts

Synonyms:

dentin; dentine

Hypernyms ("dentin" is a kind of...):

bone; os (rigid connective tissue that makes up the skeleton of vertebrates)

Holonyms ("dentin" is a part of...):

tooth (hard bonelike structures in the jaws of vertebrates; used for biting and chewing or for attack and defense)

 Context examples 

Minute branching canals in the tooth dentin that contain filamentous protoplasmic processes of the odontoblasts and extend radially from the pulp to the dentoenamel junction.

(Dentinal Tubule, NCI Thesaurus)

Dentin is harder and denser than bone but softer than enamel.

(Dentin, NCI Thesaurus)

The area of a tooth where the enamel and the underlying dentin are joined.

(Dental-Enamel Junction, NCI Thesaurus)

In humans and other mammals, a compound odontoma is a mass of small "toothlets" combined with tooth tissues like dentin and enamel.

(Scientists discover fossil tumor in 255 million-year-old mammal forerunner, NSF)

It is characterized by the presence of ameloblastoma-like epithelium, connective tissue stroma, ghost cells, and dysplastic dentin.

(Dentinogenic Ghost Cell Tumor, NCI Thesaurus)

This allele, which encodes dentin matrix acidic phosphoprotein 1, is involved in the modulation of ossification.

(DMP1 wt Allele, NCI Thesaurus)

It may also present with blue sclerae, loose joints, and imperfect dentin formation.

(Osteogenesis Imperfecta, NLM, Medical Subject Headings)

Odontoma of complex type is characterized by the presence of enamel and dentin and the absence of tooth-like structures.

(Odontoma, NCI Thesaurus)

Each odontoblast has a cytoplasmic extension, an odontoblastic process that traverses the thickness of the dentin and helps to maintain the dentin.

(Odontoblast, NCI Thesaurus)

A procedure in which the nearly exposed pulp is covered with a protective dressing to protect the pulp from additional injury and to promote healing and repair via formation of secondary dentin.

(Indirect Pulp Cap, NCI Thesaurus)