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Endo Final > Endo Surgery > Flashcards

Endo Surgery Flashcards

1
Q

A surgical opening created in soft tissue for the purpose of releasing purulent or hemorrhagic exudate.

A

Incision and Drainage

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2
Q

Done to provide relief of pressure.

A

Incision and Drainage

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3
Q

Done when you can’t drain through the tooth.

A

Incision and drainage

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4
Q

Don’t do this with anesthesia in incision and drainage.

A

Inject directly into the swelling.

Instead do a block, or infiltrate anterior and posterior to the swelling.

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5
Q

Surgical retreatment is AKA this.

A

Periapical surgery

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6
Q

t/f:

Periapical surgery is performed AFTER non-surgical RCT when post-tx disease persists.

A

True

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7
Q

The following are what?:

  • Non-negotiable canals
  • Complex anatomy
  • Procedural errors
  • Irretrievable canal obstructions (posts, etc).
A

Indications for periapical surgery.

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8
Q

Surgical retreatment ________:

  • Anatomic considerations (IAN, mental foramen, maxillary sinus, etc).
  • med complications.
  • Unidentified cause of failure
A

Contraindications

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9
Q

Surgical retreatment procedure:

A
  • Flap design (wide base contraindicated) and incision (parallel with blood vessels and collagen).
  • Flap reflection and retraction.
  • Osteotomy
  • Apical curettage
  • Root end resection (apicoectomy)
  • Root-end preparation (retroprep).
  • Root-end filling (retrofill)
  • Flap decompression
  • Suture flap
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10
Q

This flap base is contraindicated in surgical retreatment.

A

Wide base

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11
Q

Two types of flap design

A

1) Submarginal

2) Full mucoperiosteal (intrasulcular)

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12
Q

Another name for submarginal flap

A

Ochsenbein-Luebke

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13
Q

Which flap is this?

  • Requires 4mm attached gingiva
  • Scalloped incision parallels the free gingival margin
  • Minimizes post-op gingival recession.
  • Possible scarring
A

Submucosal (Ochsenbein) flap

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14
Q

What flap is this?

  • Intrasulcular horizontal incision
  • Provides maximum visibility and access
  • Possible gingival recession
A

Intrasulcular/full mucoperiosteal

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15
Q

This removes inflamed tissue
Reduces hemorrhage
Provides visibility and access to apex
Provides a biopsy specimen

A

Apical curettage

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16
Q

Surgical removal of the apical portion of the root.

A

Apicoectomy

17
Q

Use this bur to do an apicoectomy.

A

Tapered fissure

18
Q

How much root is removed in an apicoectomy?

A

3 mm

19
Q

Why remove 3 mm in apicoectomy?

A

Removes 98% of apical ramifications.

Removes 93% of lateral canals.

20
Q

What kind of bevel is placed in an apicoectomy?

A

0-10 degree bevel in the bucco-lingual plane

21
Q

Why a 0-10 degree bevel in an apicoectomy?

A

Parallels the dentinal tubules so there’s less open for bacteria to escape (apical leakage).

22
Q

A cavity created to receive a root-end filling during periradicular surgery or intentional replantation.

A

Retroprep (root-end filling)

23
Q

Ultrasonic tips are used to make a 3 mm Class I prep in the canal

A

Retroprep

24
Q

Materials used for retrofill

A

MTA and SuperEBA

25
Q

Only this retrofill material allows for regeneration of periradicular tissues.

A

MTA

26
Q

Restorative material placed in the root-end preparation during periradicular surgery to enhance the seal of the root canal where orthograde obturatio hasbeen not great.

A

Retrofill

27
Q

Monofilament suture preferred for periapical surgery?

A

Monofilament= reduces wicking

PTFE

28
Q

Where do you NOT tie the knot for the suture?

A

On the incision line

29
Q

Initial success rates are higher for surgical or non-surgical?

A

Surgical

30
Q

T/F: With time, the non-surgical success rates roughly equate surgical.

A

True

31
Q

Slower healing in ___________;

Late failures in ______________.

A

Non-surgical; Surgical

32
Q

Surgical removal of all of the root and ahderent soft tissues, leaving the crown of the tooth intact and supported by the remaining roots.

A

Root amputation

33
Q

Indicated when one root has severe PD, is untreatable thru RCT, or fractured.

A

Root amputation

34
Q

Most commonly amputated root.

A

DB of maxillary molar

35
Q

Surgical division of a multirooted tooth thru the furcation that involves removing the defective or periodontally involved root and crown portion.

A

Hemisection

36
Q

How are mandibular molars hemisected?

A

BL

37
Q

How are maxillary molars hemisected?

A

MD

38
Q

Surgical division of a mandibular molar through the furcation in which both halves are retained and restored.

A

Bicuspidization

39
Q

Indicated when there’s severe furcation involvement in periodontal disease, or severe furcation perforation.

A

Bicuspidization

Endo Final (6 decks)

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