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Katie’s Veterinary Dentistry > Endo > Flashcards

Endo Flashcards

1
Q

In “Structure-Function Relationships in Dog Dentin” by Soukup in Biomech. 2022 what was found in relationship to hardness?

A

Decreased from the DEJ to the pulp and from the crown tip to the base with a decrease adjacent to the DEJ

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2
Q

In “Structure-Function Relationships in Dog Dentin” by Soukup in Biomech. 2022 what was found in relation to elastic modulus

A

Decreased from the DEJ to the pulp and from the crown tip to the base with a decrease adjacent to the DEJ

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3
Q

In “Morphology of the CEJ in Permanent Teeth of Dogs: a SEM Study” by Hernandez in JVD 2020 Vol 37(3) what is the type 1 morphology (Choquet case)?

A

Type 1: cementum overlaps enamel

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4
Q

In “Morphology of the CEJ in Permanent Teeth of Dogs: a SEM Study” by Hernandez in JVD 2020 Vol 37(3) what is the morphology of type 2?

A

Type 2: enamel overlaps the cementum

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5
Q

In “Morphology of the CEJ in Permanent Teeth of Dogs: a SEM Study” by Hernandez in JVD 2020 Vol 37(3) what is the morphology of type 3?

A

Type 3: edge to edge relationship between cementum and enamel

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6
Q

In “Morphology of the CEJ in Permanent Teeth of Dogs: a SEM Study” by Hernandez in JVD 2020 Vol 37(3) what is the morphology of type 4?

A

Type 4: gap between the enamel and cementum with exposed dentin

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7
Q

In “Morphology of the CEJ in Permanent Teeth of Dogs: a SEM Study” by Hernandez in JVD 2020 Vol 37(3) what was the most common type?

A

Type 3 (90.79%)

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8
Q

In “Morphology of the CEJ in Permanent Teeth of Dogs: a SEM Study” by Hernandez in JVD 2020 Vol 37(3) what was the second most common type?

A

Type 4 (31.58%)

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9
Q

In “Morphology of the CEJ in Permanent Teeth of Dogs: a SEM Study” by Hernandez in JVD 2020 Vol 37(3) how many teeth had only one type of morphology? Combination?

A

One type: 65.13%
Combination: 34.87%

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10
Q

In “Morphology of the CEJ in Permanent Teeth of Dogs: a SEM Study” by Hernandez in JVD 2020 Vol 37(3) which types were present alone?

A

Types 3 and 4

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11
Q

In “Morphology of the CEJ in Permanent Teeth of Dogs: a SEM Study” by Hernandez in JVD 2020 Vol 37(3) what were the most frequent combinations?

A

Type 3 and 4 (20.40%)
Types 1 and 3 (9.87%)

In all combinations type 3 was predominant

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12
Q

In “Morphology of the CEJ in Permanent Teeth of Dogs: a SEM Study” by Hernandez in JVD 2020 Vol 37(3) which type is embryologically impossible and occurred in 2% of cases?

A

Type 2 - enamel would have to develop prior to cementum

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13
Q

In “Morphology of the CEJ in Permanent Teeth of Dogs: a SEM Study” by Hernandez in JVD 2020 Vol 37(3) what did they say is the most frequent morphology in cats?

A

Type 4 is more frequent than type 3

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14
Q

In “Scanning Electron Microscopy of Pulp Cavity Dentin in Dogs” by Hernandez in JVd Vol 27(1) 2010

What shape was present in the majority of the sentinel tubules examined?

Was distribution uniform?

A

Round or oval in shape
Yes

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15
Q

In “Scanning Electron Microscopy of Pull Cavity Dentin in Dogs” by Hernandez in JVd Vol 27(1) 2010

What was the dentinal tubule diameter in group 1 (dogs <7yrs)? Group 2? Significantly different?

A

Group 1: 1.87 +-0.44 micrometers
Group 2: 1.53 +- 0.39 micrometers
Yes

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16
Q

In “Scanning Electron Microscopy of Pull Cavity Dentin in Dogs” by Hernandez in JVd Vol 27(1) 2010

What was the dentinal tubule area in group 1 (dogs <7yrs)? Group 2? Significantly different?

A

Group 1: 1.91 +- 0.83 micrometers squared
Group 2: 1.22 +- 0.50 micrometers squared
Yes

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17
Q

In “Scanning Electron Microscopy of Pull Cavity Dentin in Dogs” by Hernandez in JVd Vol 27(1) 2010

What was the tubule density in both groups? Significantly different?

A

Group 1: 74,69
Group 2: 72,938
No

18
Q

In “Scanning Electron Microscopy of Pull Cavity Dentin in Dogs” by Hernandez in JVd Vol 27(1) 2010

What was associated with decreasing dentinal tubule diameter and area?

A

Diameter and area decreased in a coronoapical direction and with increasing age

19
Q

In “Scanning Electron Microscopy of Pull Cavity Dentin in Dogs” by Hernandez in JVd Vol 27(1) 2010

In what direction did dentinal tubule density decrease? Associated with age or occlusal function of the tooth?

A

In a coronoapical direction and no

20
Q

In “Scanning Electron Microscopy of Pull Cavity Dentin in Dogs” by Hernandez in JVd Vol 27(1) 2010

What are the 3 types of dentin morphology described in the article?

A

Type 1: smooth with regular distribution
Type 2: irregular surface with regular distribution
Type 3: irregular and uneven distribution

21
Q

In “Scanning Electron Microscopy of Pull Cavity Dentin in Dogs” by Hernandez in JVd Vol 27(1) 2010

Which type of dentin morphology was more likely to be seen in the radicular apical third? Which is most common overall, particularly in group 1?

A

Type 3
Type 2

22
Q

In “Scanning Electron Microscopic Evaluation of Tooth Root Apices in the Dog” by Hernandez in JVD 2014 Vol 31(3)

What was the shape of the apex?

A

Varied from round to elliptical and round-elliptical

23
Q

In “Scanning Electron Microscopic Evaluation of Tooth Root Apices in the Dog” by Hernandez in JVD 2014 Vol 31(3)

What was the size of the majority (85.44%) of foramina?

A

<50 micrometers

24
Q

In “Scanning Electron Microscopic Evaluation of Tooth Root Apices in the Dog” by Hernandez in JVD 2014 Vol 31(3)

What was the maximum foramen diameter?

A

234.19 micrometers

25
Q

In “Scanning Electron Microscopic Evaluation of Tooth Root Apices in the Dog” by Hernandez in JVD 2014 Vol 31(3)

What was the mean number of apical foramina in the mandibular first molar? Maxillary fourth premolar? Maxillary canine?

A

Mandibular M1: 57.3
Maxillary PM4: 36
Maxillary canine: 38

26
Q

In “Morphological Features of the Root Canal System of the Maxillary Fourth Premolar and Mandibular First Molar in Dogs” by Hernandez in JVD 2001

Which tooth root had the highest incidence of non-apical ramifications?

A

Distal Root of the Maxillary fourth premolar at 47.2%

27
Q

In “Morphological Features of the Root Canal System of the Maxillary Fourth Premolar and Mandibular First Molar in Dogs” by Hernandez in JVD 2001

What was the percentage of non-apical ramifications?

A

Maxillary fourth premolar 68%
Mandibular first molar 20.4%

28
Q

In “Morphological Features of the Root Canal System of the Maxillary Fourth Premolar and Mandibular First Molar in Dogs” by Hernandez in JVD 2001

What percentage of mandibular first molar roots had an apical delta longer than 3mm? Upper fourth premolars?

A

M1: 17.8%
PM4: 1.4%

Reason M1 surgical Endo recommended 6mm resection

29
Q

In “Furcation Canals of the Maxillary Fourth Premolar and Mandibular First Molar Teeth in Cats” by Negro and Hernandez et al 2004

What percentage of teeth had patent furcation canals?

A

27.2%

30
Q

In “Furcation Canals of the Maxillary Fourth Premolar and Mandibular First Molar Teeth in Cats” by Negro and Hernandez et al 2004

What was the mean width of the furcation canals?

A

104 micrometers

31
Q

In “Analysis and Assessment of Pulp Vitality of 102 Intrinsically Stained Teeth in Dogs” by Feigin in JVD 2021

What percentage of teeth with local discoloration were histologically nonvital?

What percentage of teeth with generalized discoloration were nonvital?

A

61%

87%

32
Q

In “Analysis and Assessment of Pulp Vitality of 102 Intrinsically Stained Teeth in Dogs” by Feigin in JVD 2021

How many teeth in the brown/beige/grey group were found to be nonvital?

The pink/purple group?

A

91%

82%

33
Q

In “Analysis and Assessment of Pulp Vitality of 102 Intrinsically Stained Teeth in Dogs” by Feigin in JVD 2021

How many discolored teeth had radiographic evidence of endodontic disease?

A

57%

34
Q

In “Analysis and Assessment of Pulp Vitality of 102 Intrinsically Stained Teeth in Dogs” by Feigin in JVD 2021

How many discolored teeth were fractured?

A

6.9% - discoloration is less likely due to direct pulp trauma

35
Q

In “Incidence of Radiographic Lesions of Endodontic Origin Associated with UCF of the Maxillary Fourth Premolar in Canine Patients” by Goodman in JVD 2020

What was the frequency of lesions of endodontic origin associated with maxillary fourth premolars that had UCF?

A

24.3%

36
Q

In “Incidence of Radiographic Lesions of Endodontic Origin Associated with UCF of the Maxillary Fourth Premolar in Canine Patients” by Goodman in JVD 2020

How were the fractured teeth assessed?

A

Dental radiographs

37
Q

GV Black modified cavity preparation classification system:

Beginning in structural defects, such as pit and fissure, commonly found on occlusal surfaces

A

Class I

38
Q

GV Black modified cavity preparation classification system:

Proximal surfaces, posterior/caudal teeth

A

Class Ii

39
Q

GV Black modified cavity preparation classification system:

Proximal surfaces is anterior/rostral teeth, incisal angle not included

A

Class III

40
Q

GV Black modified cavity preparation classification system:

Proximal surfaces of anterior/rostral teeth incisal angle included

A

Class IV

41
Q

GV Black modified cavity preparation classification system:

Labial/Buccal or lingual, gingival third; excluding pit or fissure lesions (cervical surfaces)

A

Class V

42
Q

GV Black modified cavity preparation classification system:

Defect of incisal edge or cusp; not included in the original classification

A

Class VI

Katie’s Veterinary Dentistry (17 decks)

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