Endodontology: understanding the science Flashcards

1
Q

what it endodontology

A

the form function and health of injuries to and diseases of the dental pulp

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2
Q

what is endodontics

A

prevention and treatment of endodontic infections

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3
Q

what do we need to consider as we consider endodontology

A
sciences vs skill
histology of pulp dentine complex 
pulp functions
pulp space anatomy 
cause to injury
microorganism role 
pathogenesis of peri radicular pathology
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4
Q

what are the functions of the pulp

A

development of the tooth
sensation
nutrition
defense

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5
Q

what happens to the pulp when there is a root fracture

A

there is pulpal shrinkage of the root canal and there is pulpal defence

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6
Q

what happens when there is damage that occurs

A

the pulp lays down secondary dentine

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7
Q

describe pulp space anatomy

A

it is more complex on a radiograph

bigger volume if seen buccal to lingual side

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8
Q

where is the pulp chamber present

A

on molars and premolars

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9
Q

what is a perio end lesion

A

when the pulp gets infected from the root aspect rather than the crown

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10
Q

how do we clean canals

A

with bleach and files mechanochemical cleaning

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11
Q

what are the responses to irritation and dental infection

A
inflammation 
recovery 
secondary dentine 
arterio venus shunts 
necrosis
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12
Q

what are the main causes of pulp injury

A
caries 
dentists- and restoiatrogenic damage due to pulp scaling 
trauma 
loss of tooth substance 
perio disease
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13
Q

describe microorganisms in endodontic disease

A

unique environment of the root canal system-
aerobic and anaerobic species
few species type per tooth
proteolytic

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14
Q

what is the mean total number of bacteria in infected root canals

A

10 million per ml

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15
Q

what type of bacteria is found in endodontic disease

A

proteolytic

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16
Q

what is the pathogenesis of peri radicular pathology

A

pulp wealth removes the line of defence

17
Q

where do toxins move to

A

diffuse apically from crown ro apex with no intervening defence

18
Q

how long does it take to move bacteria into the pulp chamber

A

3 days

19
Q

what is the healing edge

A

the edge between destruction and repair where it is hoped that the body fights the infection off