Eruption/trauma/Special Flashcards Preview

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

Flashcards in Eruption/trauma/Special Deck (48)
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1

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

Delayed eruption

2

Fused palm creases in common in what?

Trisomy 18 and 21

3

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

Trisomy 21 (Down Syndrome)

4

Hypothyroidism and hypopituitarism can result in what?

Delayed eruption

5

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

Achondroplastic dwarfism

6

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

3/4

*mean difference between genders was 0.54 year

7

Premolar eruption is delayed in what scenario?

Children who lose primary molars at 4 or 5 years

*it is accelerated if lost at 8-10 yrs

8

85% of natal or neonatal teeth are which?

Mandibular primary incisors

9

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

Epstein pearls

10

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

Bohn nodules

11

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

Dental lamina cysts

12

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

Ectopic eruption

13

Which teeth are most often observed to be ankylosed?

Mandibular Primary molars

*does not occur in anterior unless there has been trauma

14

What are 3 theories for ankylosis of primary molars?

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

15

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

Cleidocranial Dysplasia

16

What are 5 types of special needs?

1-Physical
2-Cognitive
3-Mental
4-Sensory
5-Behavior

17

What percentage of households have a special needs individual?

20%

*More than 60% have trouble taking care of themselves

18

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

Compassion and Tolerance

19

What 3 scenarios may constitute the need for protective stabilization?

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

20

Nitrous oxide and sedatives are contraindicated with what condition?

Cystic fibrosis and other pulmonary function impairments

21

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

30-40%

22

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

Epidermolysis Bullosa

*problem with basement membrane

23

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

Cervical Spine or intracranial injury

24

Why is pulp testing a traumatized tooth unreliable?

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

25

What are the 4 types of crown fractures?

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

26

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

Tetanus inoculation is current

27

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

Pulpal Hyperemia

28

Dark grey discoloration of the tooth usually means what?

Non-vital pulp and possibly necrotic

29

Light grey or yellow discoloration often means what?

Vital pulp with canal obliteration

30

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

Apexification