Local Anaesthetic Revision Flashcards

1
Q

Name two Vasoconstrictors found in LA

A

Adrenaline & Felypressin

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2
Q

Name two Preservatives found in LA

A

Bisulphate & Propylparaben

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3
Q

Name two chemical types of LA

A

Ester & Amide

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4
Q

Which teeth would you most likely use an infiltration on?

A

Maxillary teeth and Lower Anteriors

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5
Q

A Buccal infiltration will desirably anaesthetise which tissues?

A

Dental Pulp & Buccal Gingivae

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6
Q

What type of injection techniques would be suitable to anaesthetise the pulp of lower Premolars and Canines?

A

Mental Block and/or Inferior Alveolar Nerve Block

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7
Q

What technique would be suitable to anaesthetise the buccal gingivae of lower molars and second premolars?

A

Long Buccal infiltration

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8
Q

What size of syringe barrel would you use for an infiltration?

A

short 25mm

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9
Q

What size of syringe barrel would you use for a block?

A

long 35mm

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10
Q

Name a type of topical anaesthetic

A

Xylonor

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11
Q

What is the mechanism of action of how LA works?

A

Penetrates membrane of axons and blocks Sodium Channels

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12
Q

What is the maximum dose of articaine?

A

7mg/kg

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13
Q

What is the maximum dose of lidocaine with epinephrine?

A

7mg/kg

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14
Q

What is the maximum dose of lidocaine without epinephrine?

A

4.4mg/kg

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15
Q

What is the maximum dose of prilocaine with or without epinephrine?

A

6mg/kg

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16
Q

How are ester based local anaesthetics broken down?

A

by esterases in surrounding tissues

17
Q

How are amide based local anaesthetics broken down?

A

by amidases produced in the liver