Implants Patient Assessment Flashcards

1
Q

what are the patient related factors?

A

oral hygiene, compliance

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2
Q

what are the patient medical factors?

A

medical fitness, medication, radiation treatment, growth

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3
Q

what are the site related factors?

A

periodontal status, access, pathology near implant site, previous surgeries at the site

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4
Q

what are the urgical complexity?

A

timing of implant placement
simultaneous or staged grafting procedures number if implants

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5
Q

what is the tool used for planning?

A

international team for implantology tool
ITI

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6
Q

what anatomical factors are important?

A

bone
soft tissue
site
adjacent teeth
aesthetic risk assessment

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7
Q

how much bone is required horizontally?

A

7mm

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8
Q

how much bone is required vertically?

A

8-10mm

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9
Q

what tissue type is best?

A

thick keratinised biotype

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10
Q

what width of keratinised tissue is associated with lower alveolar bone loss and improved soft tissue health?

A

greater than 2mm

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11
Q

less keratinised tissue is associated with?

A

higher plaque and gingival inflammation levels

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12
Q

what diseases can thin biotypes lead to?

A

May lead to peri mucositis - peri implantitis + bone loss.

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13
Q

what can happen if recession causes metal collar to show?

A

easily harbors bacteria as rough impant coated surface - leads to recession of gingiva and threads –> peri implantitis.

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14
Q

what happens to bone when you lose teeth?

A

flattens and nothing to support tip of the papilla.

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15
Q

what 4 main anatomical factors in bone need to be considered?

A

shape - knife edge ridge, undercut
maxilary antrum
IDC + mental foramen
feeder blood vessel

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16
Q

how many classifications of bone are there?

A

4

17
Q

describe classification 1 of bone?

A

found anterior part of mandible
mostly cortical bone
primary stability + less mobility of implant

18
Q

describe classification 2 of bone?

A

mix of cortical and trabecular bone
primary stability + less mobility of implant

19
Q

describe classification 3 of bone?

A

more trabecular bone, less stable

20
Q

describe classification 4 of bone?

A

most trabecular bone
found in maxilla
least stable

21
Q

how many weeks required for class III and class IV bone stability?

A

12 weeks

22
Q

how many weeks required for class I and class II bone stability?

A

6 weeks

23
Q

what radiograph is gold standard

A

CBCT

24
Q

why take radiographs

A

assess bone, quality of adjacent teeth and position of IAN canal and antrum.

25
Q

what is the safety zone?

A

takes into account that the coronal aspect of the mental foramen is 2 mm above the inferior alveolar/mental nerve.

26
Q

what distance is required from implant shoulder - adjacent tooth?

A

A minimal distance of 1.5 mm from the implant shoulder to the adjacent tooth at bone level (mesial and distal) is required.

27
Q

what distance is required from implant shoulder - adjacent implant shoulder or the centre of each implant?

A

A minimal distance of 3 mm between two adjacent implant shoulders (mesiodistal) is required or 7 mm between the centre of each implant

28
Q

what may need recontouring?

A

knife edge ridges
mandibular tori
undercuts

29
Q

what can be done if large bone volume is lacking?

A

onlay grafts
inter-positional grafts – make space between palatal shelf or buccal shelf.
Plasma Rich Fibrin sticky bone

30
Q

what can be done if there is a large sinus?

A

sinus lift

31
Q

can we refer pt for implants if there is active disease?

A

no - does not fit the guidelines

32
Q

if pt has old dentures and wants implants, what would you do?

A

Need to make dentures first then maybe refer pt for implants if she does not get on well with them

33
Q

would trauma that occured 20yrs ago enable NHS implant referral?

A

no - trauma not significant

34
Q

what is an absolute contraindication for dental implants on NHS?

A

SMOKING

35
Q

How often would pt’s with xerostomia need implant cleaning?

A

every 3 months