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MOD 5 ENDODONTICS > Root canal instrumentation > Flashcards

Root canal instrumentation Flashcards

1
Q

what is the balanced force technique with SS

A

passive CW rotation 60 degrees
CCW with apical pressure 120 degrees
removal of file with 60 degree CW rotation

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2
Q

Protaper gold rotary NiTi speed and torque

A

300rpm
torque 4

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3
Q

when do you use paste lubricant

A

SS files during glide path

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4
Q

types of paste lubricants

A

file-eze (optident)
glyde (dentsply)
hibiscrub

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5
Q

what does the EAL connect to

A

lower lip

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6
Q

what is the value of an EAL

A

impedance between lower lip and PDL

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7
Q

what size file is used with EAL

A

10

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8
Q

where is IRRIGANT placed when using EAL

A

canal not pulp chamber

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9
Q

what must you ask pt to do when using EAL

A

lick lip

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10
Q

what can you use with the EAL to improve conductivity

A

glyde

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11
Q

what establishes the micro glide path

A

hand instruments size 8 or 10 k files

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12
Q

what establishes the macro glide path

A

rotary instrument proglider

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13
Q

what is the SX used for

A

flaring coronal 2-3mm

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14
Q

what is the proglider made from

A

M wire NiTi

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15
Q

what is the irrigant

A

sodium hypochlorite

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16
Q

what do you gauge with after using F1

A

size 20 flexofile

17
Q

what is odontopaste

A

replacement for ledermix
zinc oxide based
contains corticosteroid, triamcinolone
contained antibiotics - clindamycin hydrochloride

18
Q

when to use odontopaste

A

symptomatic IP

19
Q

how long should odontopaste be used for

A

4-6 weeks

20
Q

what is used for an emergency pulpotomy

A

odontopaste/ ledermix

21
Q

contraindications of odontopaste

A

pregnancy
known hypersensitivity to clindamycin and corticoids
deciduous teeth

22
Q

what microorganism has been found in retreatment cases

A

enterococci faecalis

23
Q

what has been used to improve efficacy in destroying E faecalis

A

IKI or povidone iodine

MOD 5 ENDODONTICS (14 decks)

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