Pulp Morphology

Front 1

the soft connective tissue which is found in the central portion of the tooth.

Back 1

Pulp Tissue

Front 2

Pulp tissue is entirely surrounded by what?

Back 2

dentin

Front 3

the entire central space inside the dentin of a tooth (both root and crown) that contains the pulp tissue in a vital tooth

Back 3

Pulp Cavity

Front 4

the portion of the pulp cavity which is located roughly in the anatomical crown of the tooth

Back 4

Pulp Chamber

Front 5

the section of the pulp cavity which is located basically in the anatomical root of the tooth

Back 5

Pulp Canal(s)

Front 6

A pulp canal may also be referred to as what?

Back 6

root canal

Front 7

Tooth roots with round cross sectional outlines generally possess how many pulp canals

Back 7

one

Front 8

Roots with a more oval or elongated cross sectional outlines often contain how many canals

Back 8

more than one

Front 9

the pointed incisal (occlusal) limits of the pulp cavity and the pulp chamber

Back 9

Pulp Horn(s)

Front 10

The height of a pulp horn generally corresponds to what

Back 10

the height of the cusp above

Front 11

the constricted opening(s) at, or near the root apex, through which the main nutrient and nervous supply to the pulp enter and exit

Back 11

Apical Foramen

Front 12

The apical foramen is thus

Back 12

the apical limit of the pulp cavity

Front 13

the tip of a root

Back 13

Root apex

Front 14

minute canals that usually extend in a lateral or roughly horizontal direction from the pulp to the periodontal membrane

Back 14

Lateral (Accessory) Canals

Front 15

Lateral canals are most often found where?
and what are those for?

Back 15

in the apical half of the root
are a minor source of nutrient supply to the pulp

Front 16

a root canal or branch, which is in excess of the normal number of root canals found in a root.

Back 16

Supplementary Canal

Front 17

What functions do supplementary canal have

Back 17

They serve the same functions as the main root canals

Front 18

Are supplementary Canals present in all teeth?

Back 18

the are not present in all teeth

Front 19

- an extra canal branch that horizontally connects pulp canals with each other or with supplementary canals

Back 19

Anastomosis

Front 20

line the inner wall of the pulp cavity and are responsible for the formation of dentin

Back 20

Odontoblasts

Front 21

responsible for the formation of dentin

Back 21

Odontoblasts

Front 22

dentin that is deposited in a consistent, uniform manner, as part of normal aging process

Back 22

Secondary or Physiological Dentin

Front 23

dentin that forms in response to acute or chronic irritants such as caries, thermal and functional trauma, or mechanical causes

Back 23

Reparative or Tertiary dentin

Front 24

Secondary dentin forms in response to what?

Back 24

normal physiological activities

Front 25

when does the secondary dentin forms

Back 25

It forms throughout life

Front 26

Reparative (tertiary) dentin forms in response to what?

Back 26

irritants such as bruxing or clenching, erosion, trauma and dentinal caries

Front 27

With the formation of secondary dentin during aging, the remainder of pulp cavity normally decreases or increases in size?

Back 27

decreases

Front 28

In the young tooth, how do the pulp horns look like?

Back 28

prominent elongations of the pulp chamber

Front 29

How do the pulp horns look like with age?

Back 29

may become blunted or obliterated, so that the teeth of older individuals may not exhibit pulp horns

Front 30

The outline of the pulp cavity generally corresponds to what?

Back 30

to the external contour of the tooth

Front 31

What is be used to determine the heights and contours of the pulp horns, especially in posterior teeth

Back 31

Cuspal anatomy

Front 32

The permanent anterior teeth normally contain how many pulp canals?

Back 32

one pulp canal

Front 33

About 2% of the time, a mandibular incisor may have how many root canals?

Back 33

two root canals

Front 34

About 6% of the time, a mandibular canine may have how many root canals?

Back 34

two root canals

Front 35

In about how many % of the time, a mandibular canine may have two root canals?

Back 35

6%

Front 36

In about how many % of the time, a mandibular incisor may have two root canals?

Back 36

2%

Front 37

About 70% of the time, maxillary first premolars will have how many pulp canals and how many foramina?

Back 37

two pulp canals with separate foramina

Front 38

About ____% of the time, maxillary first premolars will have two pulp canals with separate foramina.

Back 38

70%

Front 39

In ____% of the cases, there will be two canals and one foramen

Back 39

15%

Front 40

In 15% of the cases, maxillary first premolars will have how many pulp canals and foramina?

Back 40

two canals and one foramen

Front 41

In 5% of the cases, maxillary first premolars will have how many pulp canals and foramina?

Back 41

three roots (2 buccal and 1 lingual) and three canals

Front 42

In __% of the cases, there will be three roots (2 buccal and 1 lingual) and three canals

Back 42

5%

Front 43

Maxillary second premolars normally have how many roots and how many canals?

Back 43

only one root and one canal

Front 44

About 60% of the time, maxillary first molars have how many roots and canals?

Back 44

three roots and four canals (with two canals in the MB root)

Front 45

what is the most common variation for maxillary first molars (roots and canals)?

Back 45

three roots and three canals

Front 46

The maxillary second molar normally has how many roots and canals?

Back 46

three roots and three canals

Front 47

what is the most common variation for maxillary second molars (roots and canals)?

Back 47

The most common variation is three roots and four canals (with two canals in the MB root).