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Spring-Ortho/Pedo > Eruption/trauma/Special > Flashcards

Eruption/trauma/Special Flashcards

1
Q

Though 6 month variations on either side of usual eruption is normal what is the most common variation?

A

Delayed eruption

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2
Q

Fused palm creases in common in what?

A

Trisomy 18 and 21

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3
Q

Delayed tooth eruption, periodontal disease and low dental caries susceptibility is common in what?

A

Trisomy 21 (Down Syndrome)

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4
Q

Hypothyroidism and hypopituitarism can result in what?

A

Delayed eruption

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5
Q

Crowded teeth, open bite, chronic gingivitis and delayed dentition is characteristic of what genetic condition?

A

Achondroplastic dwarfism

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6
Q

By the time of clinical emergence, how much root has formed?

A

3/4

*mean difference between genders was 0.54 year

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7
Q

Premolar eruption is delayed in what scenario?

A

Children who lose primary molars at 4 or 5 years

*it is accelerated if lost at 8-10 yrs

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8
Q

85% of natal or neonatal teeth are which?

A

Mandibular primary incisors

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9
Q

What forms along the mid palatine raphe and are remnants of epithelial tissue?

A

Epstein pearls

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10
Q

Remnants of salivary gland tissue on the buccal and lingual aspects of dental ridges are called?

A

Bohn nodules

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11
Q

Remnants of the dental lamina found on the crests of maxillary and mandibular dental ridges form what?

A

Dental lamina cysts

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12
Q

A halter man appliance tilts the erupting molar to avoid what?

A

Ectopic eruption

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13
Q

Which teeth are most often observed to be ankylosed?

A

Mandibular Primary molars

*does not occur in anterior unless there has been trauma

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14
Q

What are 3 theories for ankylosis of primary molars?

A

1-Familial pattern
2-No permanent successor
3- reparative in response to resorption

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15
Q

Large fontanels, Absence of clavicles, and prognathism, short vertical maxilla and supernumerary teeth are characteristic of what?

A

Cleidocranial Dysplasia

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16
Q

What are 5 types of special needs?

A 
1-Physical
2-Cognitive
3-Mental
4-Sensory
5-Behavior
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17
Q

What percentage of households have a special needs individual?

A

20%

*More than 60% have trouble taking care of themselves

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18
Q

What are the most important tools when working with SHCN patients?

A

Compassion and Tolerance

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19
Q

What 3 scenarios may constitute the need for protective stabilization?

A

1-Immediate diagnosis/limited treatment
2-Other behavior management have failed
3-Safety of patient, staff, parent or practitioner

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20
Q

Nitrous oxide and sedatives are contraindicated with what condition?

A

Cystic fibrosis and other pulmonary function impairments

21
Q

Even the best lip readers only comprehend how much of what is said?

A

30-40%

22
Q

What very rare genetic disorder involves connective tissue and results in blistering?

A

Epidermolysis Bullosa

*problem with basement membrane

23
Q

A force strong enough to fracture, intrude or avulse a tooth is also strong enough for what?

A

Cervical Spine or intracranial injury

24
Q

Why is pulp testing a traumatized tooth unreliable?

A

It is in a state of shock and often fails to respond

25
Q

What are the 4 types of crown fractures?

A

1-Simple fracture w/ little or no dentin
2-Involves dentin but no pulp
3-Involves dentin and pulp
4-Whole crown

26
Q

Since any injury should be considered dirty what should always be checked?

A

Tetanus inoculation is current

27
Q

A tooth that appears reddish due to congestion of blood in the pulp chamber is called what?

A

Pulpal Hyperemia

28
Q

Dark grey discoloration of the tooth usually means what?

A

Non-vital pulp and possibly necrotic

29
Q

Light grey or yellow discoloration often means what?

A

Vital pulp with canal obliteration

30
Q

Therapy to stimulate root growth and apical repair in immature teeth with pulpal necrosis is called what?

A

Apexification

31
Q

Trauma with damage to the periodontal structures may cause what?

A

External root resorption

32
Q

A small pigmented hypo plastic area usually due to trauma to the permanent tooth bud is called what?

A

Turner Tooth

33
Q

If a permanent tooth with closed apex is intruded 3 mm or less what should you do?

A

Let it erupt without intervention. Watch it in case ortho is needed to extrude

34
Q

What often occurs when permanent teeth are reimplanted?

A

Slow or Rapid root resorption

35
Q

What is the most common age for tooth avulsion?

A

7-9 years, 3 times more frequent in boys

36
Q

What is the most favorable time frame to reimplant a tooth?

A

less than 30 minutes

*95% of teeth after 2 hours end up with root resorption

37
Q

What are 4 storage mediums that can be used for avulsed teeth?

A

1-Hanks buffered saline
2-Isotonic saline
3-Pasteurized cows milk
4-Tap water (not ideal but better than nothing)

38
Q

Less severe luxation is splinted for ____ weeks whereas more severe ones are splinted _____ weeks

A

1-2

4-6

39
Q

An appliance used to prevent contracture of healing tissue can be used in what traumatic case?

A

Oral burns

*allows a normal appearing commissure to heal

40
Q

According to Ellis classification, which class of fracture only involves enamel with little or no dentin?

A

Class I

41
Q

According to Ellis classification, which class of fracture only involves enamel and dentin with no pulp?

A

Class II

42
Q

According to Ellis classification, which class of fracture only involves enamel dentin and pulp?

A

Class III

43
Q

According to Ellis classification, which class of fracture is a traumatized tooth that becomes non-vital?

A

Class IV

44
Q

According to Ellis classification, which class of fracture involves tooth loss or avulsion?

A

Class V

45
Q

According to Ellis classification, which class of fracture involves fracture of the root with or without loss of crown structure

A

Class VI

46
Q

According to Ellis classification, which class of fracture is the displacement of tooth with neither crown or root fracture?

A

Class VII

47
Q

According to Ellis classification, which class of fracture is fracture of crown en masse and its displacement?

A

Class VIII

48
Q

According to Ellis classification, which class of fracture is given to traumatic injuries of primary teeth?

A

Class IX

Spring-Ortho/Pedo (4 decks)

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