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Keeling Summer Textbook > Surgical Principles > Flashcards

Surgical Principles Flashcards

1
Q

What advantages offered by surgical treatment

A 
Increased visibility
Increased access
Increased SRP effectiveness
Modify osseous defect
Repair/Regen possible
Reduce PD
Improve contour
Perio plastic surgery
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2
Q

What are the contrindications of surgery

A

High caries
Uncontrolled medical condition
Poor plaque control
Unrealistic expectation

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3
Q

What is the infection rate with perio surgery

A

4%

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4
Q

What is the single most important surgical principle

A

blood supply must be maintained

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5
Q

What are the major branches of the external carotid

A

Maxillary
Lingial
Facial

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6
Q

How far away is the greater palatine bundle in palates

A

Depends on contour: 7, 12 , 17

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7
Q

How many days until CT maturation

A

CT 21 - 28 days

JE 28 - 42 days

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8
Q

Where do you never place a releasing incision

A

Over a bony prominence

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9
Q

What are the contra indication to gingivectomy

A 
Intrabony defect
Narrow KT
PD past MGJ
Root exposure
Aesthetics
High Caries risk
Thermal sensitivity
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10
Q

what used for first lie haemostasis

A

5 min of pressure

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11
Q

What are the absorbable sutures

A

Surgical Gut
Surgical gut chromic
Vicryl
Monocryl

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12
Q

Advantage of double continuous sutures

A

Allow positioning of FL flap independent of opposing flap

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13
Q

What are the considerations of suture removal

A

removed when not stabilizing the tissue

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14
Q

What are the indications for surgery

A

Access
Remove Calculus
Remove persistent disease
Alter periodontium for aesthetics or reconstruction

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15
Q

What is the advantage of a shallow sulcus

A

Maintainable

Long Term stability

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16
Q

What are the 3 types of wound healing

A

Primary
Secondary
Tertiary

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17
Q

What are the phases of wound healing

A 
Inflammation
Proliferation
Granulation
Remodelling
Maturation
18
Q

What determines LA onset of action

A

Ionization constant

Tissue pH

19
Q

What determines LA duration of action

A

Protein binding capacity

20
Q

What is the maxmium dose of Lido

A

4.4mg / kg,

21
Q

What are the 3 types of flap design

A

Envelope
Pedicle
Triangular

22
Q

Normal blood loss foloowing surgery

A

134 ml

23
Q

Local haemostatic agents

A 
Oxidized cellulose
Ferric Sulphate
Topical Thrombin
Absorbable
Gelatin sponge
LA with vasoconc
Bone Wax
24
Q

Key suturing principles

A 
Flap adaption and stability
Passive
Minimal material under flap
Knots at side
Adequate tissue bites
Smallest diameter possible
Remove carefully
25
Q

Why use perio dressings

A

increase flap adaption

26
Q

What are the perio dressings available

A

Coe Pack: Zn Oxide, mineral oil, bacteriocidal

Barricaid: VLC gel, UDMA

Cyanacrylate: Not FDA approved, used over soft tissue allografts

27
Q

Indications gingivectomy

A

Eliminate Suprabony pocket
Aesthetics
Remove soft tissue crater
Gingival enlargement

28
Q

Types of gingivectomy

A

Internal or external bevel

29
Q

Why is internal bevel better

A

Less sore

Heal primary intention

30
Q

Other gingivectomy procedures

A

Electrosurg

Laser

31
Q

How often do you change perio dressings

A

Every 5 - 7 days for 2 - 3 weeks

32
Q

What is the objective of MWF flap

A

maximum healing

33
Q

What are the advantages of MWF flap

A 
Healthy collagen attached to tooth
New cementum
Optimal root coverage
bone conservation
increased regen potential
34
Q

What are the tuberosity reduction techniques

A

Inverse bevel triangular distal wedge
Inverse bevel linear distal wedge
Tuberosity pedicle flap

35
Q

What are the results of open flap debridement

A

Increased removal of plaque
Reduced PD
Some gain CAL
Heal long JE

36
Q

Distance to CEJ in bone and health

A

2.0 mm

37
Q

Shallow, medium and deep craters

A

Shallow: 1 - 2 mm
Medium: 3 - 4 mm
Deep: 5+ mm

38
Q

Why palatal technique

A

Avoid buccal furcation
Increased embrasure
Increase access
Palate all keratinized

39
Q

Why use lingual technique

A

Improve access
Tooth tilt
Lingual plate thickness

40
Q

Recession after surgery: Flap reflection and flap and osseous

A

Flap refelction: 0.2 mm

Flap and osseous 0.6 mm

41
Q

What size defect is regenerable

A

below 3 mm

Keeling Summer Textbook (11 decks)

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