Dentistry/Dental AST. Simulation Examination 5

1. Which teeth are most often impacted?

Maxillary and mandibular third molars

Maxillary and mandibular first molars

Mandibular cuspids

Mandibular bicuspids

2. Which term refers to the adhesion of the tongue to the floor of the mouth?

Ankylosis

Ankyloglossia

Anodontia

Amelogenesis

3. Whihc term refers to abnormally large teeth?

Taurodontia

Macrodontia

Microdontia

Hypodontia

4. The radiograph shown here is frequently used in Orthodontics for study of the growth and development of the head. Name the radiograph

PA skull

AP skull

Submento vertex view

Lateral Cephalometric view

Panoramic view

5. Whihc cyst was probably a radicular cyst left behind after the extraction of the offending tooth?

Periodontal cyst

Gingival cyst

Odontogenic cyst

Residual cyst

6. Which term refers to the total absence of all teeth?

Anodontia

Hypodontia

Hyperdontia

Microdontia

7. Name the following intraoral radiograph

Periapical radiograph

Bitewing radiograph

Occlusal radiograph

Biteblock radiograph

Pericoronal radiograph

8. The radiograph shown here is a

Panoramic radiograph

Occlusal radiograph

Lateral oblique radiograph

P-A view of the skull

A-P view of the skull

9. What is the proper reduction for incisal edge?

0.5mm

1.0mm

1.5mm

2.0mm

Proper reduction is critical. www.thenextdds.com

Explanation

Proper reduction is critical. www.thenextdds.com

10. Which one of the following is associated with enamel hypoplasia resulting from congenital syphillis?

Turner's tooth

Hutchinson's incisors

Taurodont

Dens evaginatus

11. With which cyst may the patient emplain of dysphagia?

Thyroglossal tract cyst

Median palatal cyst

Static bone cyst

Traumatic bone cyst

12. Which location is the most likely for an enamel pearl?

Maxillary molars

Maxillary premolars

Mandibular premolars

Mandibular molars

13. Which term refers to the irregular areas of discoloration that results from fluoride ingestion?

Pitting defects

Mottling defects

Endogenous staining

Extrinsic staining

14. Radiographic diagnosis would most likely be sufficient to determine the final or definitive diagnosis of

Internal resorption

Periapical cemental dysplasia

Odontoma

All of the above

15. Identify the intraoral radiograph shown

Periapical radiograph

Bitewing radiograph

Maxillary midline occlusal radiograph

Mandibular floor of the mouth occlusal

Lateral cephalometric radiograph

16. The sharpness of the image is determined to a large extent by the

Shape of the object

The focal spot size

The make of the x-ray machine

The distance between the anode and cathode

None of the above

17. Match each of the following item from left side with its best description in the right side:

Pathogenesis

Periodontal plan

Lactobacilli

actimyces spp.

Prognosis

Submit

18. Which terms refers to a defect present at birth?

Anomaly

Inherited defect

Congenital defect

Developmental defect

19. Which term refers to the developmental anomaly that arises from the union of two normally separated adjacent tooth germs?

Fusion

Gemination

Concrescence

Dilaceration

20. The teeth are vital with all of the following cysts except

Nasopalatine canal cyst

Cyst of the palatine papilla

Radicular cyst

Median mandibular cyst

21. Which terms refers to abnormally small teeth?

Taurodontia

Macrodontia

Microdontia

Hypodontia

22. The primary cause of periodontal diseases is

Calculus

Dental Plaque

Malocclusion

Faulty restoration

23. The order of case scheme taking is as follows

Patient particulars, history of present illness,chief complaint and past medical history

Patient particulars, social and family history, chief complaint and history of present illness

Patient particulars, chief complaint, history of present illness and past medical history

None of the above

24. Historical diagnosis can include the patient's

Age and sex

Sex and family history

Race and medical history

All of the above

25. Which teeth are most often missing?

Canines

Third molars

Lateral incisor

Premolars

26. Which term refers to teeth that cannot erupt because of physical obstruction?

Fused

Ankylosed

Embedded

Impacted

27. Clinical diagnosis can be used to determine the final or definitive diagnosis of all of the following except

Fordyce granules

Unerupted supernumery teeth

Mandibular tori

Geographic tongue

28. When an antifungal ointment or cream is applied (before any culture to the areas of angular cheilitis, which one of the following diagnostic categories being used?

Clinical

Historical

Therapeutic

Differential

29. yellow clusters of ectopic sebaceous glands commonly observed on the buccal mucosa and evaluated through clinical diagnosis are most likely

Lipomas

Fordyce's granules

Check bites

Linea alba

30. A sessile based lesion is

Broad and flat

Stem like

Corrugated

Lobulated

31. Periodontium include all of the following:

Enamel,root, periodontal ligaments and alveolar bone

Gum, alveolar bone, dentine and cementum

Cementum, gum, alveolar bone and periodontal ligaments

All of the above

32. Root planning is

Removal of material alba and stains from tooth surface

Removal of soft tissue wall and periodontal pocket

Removal of food debris from tooth surface

Removal of diseased cementum along with other root deposits

33. Root caries usually occurs in old age.

True

False

34. The "white line" observed clinically on the buccal mucosa that extends from anterior to posterior along the occlusal plane is

Leukoedema

Leukoplakia

Linea alba

Lichen planus

35. Which one of the following diagnostic categories would the hygienist most easily apply to the prliminary evaluation of oral lesions?

Microscopic

Clinical

Therapeutic

Differential

36. The identification of which one of the following is not determined by clinical diagnosis?

Fordyce's granules

Tori

Compound odontoma

Retrocuspid papilla

37. 70 kilovolts equals

70,000 volts

700,000 volts

70,000,000 volts

7,000 volts

700 volts

1 kV = 1000 volts, hence 70 kV equals 70,000 volts

Explanation

1 kV = 1000 volts, hence 70 kV equals 70,000 volts

38. Incisal edge reduction should be performed prior to cervical preparation.

True

False

This is relevant because of the inherent properties of dental porcelains. For more information be sure to revisit: http://thenextdds.com/Articles/A-Historical-Perspective-of-Synthetic-Ceramic-and-Traditional-Feldspathic-Porcelain/

Explanation

This is relevant because of the inherent properties of dental porcelains. For more information be sure to revisit: http://thenextdds.com/Articles/A-Historical-Perspective-of-Synthetic-Ceramic-and-Traditional-Feldspathic-Porcelain/

39. According to the video, what is the most important consideration in a PLV video?

One answer here

Second option for consideration.

Rich is using this FPO.

Here's a wrong answer too.

http://thenextdds.com/Blogs/The-Clinical-Perspective/Understanding-Margin-Geometry-for-Full-Coverage-Crowns/

Explanation

http://thenextdds.com/Blogs/The-Clinical-Perspective/Understanding-Margin-Geometry-for-Full-Coverage-Crowns/

40. Gracey curettes used to scale distal surface of posterior teeth are:

Gracey curretes 1/2, 3/4, and 11/12

Gracey curettes 11/12, 13/14, and 5/6

Gracey curettes 7/8 and 9/10

Gracey curettes 13/14 and 17/18

41. Necrotizing ulcerative periodontitis

Is associated with deep periodontal pocket

Is associated with crater like depression at the tip of interdental papilla and vesicle formation

Is not responsive to any therapy

Leads to gingival recession due to faulty tooth brushing

42. Which tooth is msot common supernumerary tooth?

Mesiodens

Distomolar

Paramolar

Hutchinson incisor

43. The most common cause of the radicular cyst is

Caries

Trauma

Malignant infiltration

Food impaction

44. To determine the presence of blood dyscrasias, which one of the following would provide the most definitive information?

Laboratory blood test

Bleeding during probing

Pallor of the gingiva and mucosa

Patient complaint of weakness

45. These examples of exotoses are found on the lingual aspect of the mandible in the area of the premolars. they are benign, bony, and hard and require no treatment. radiographically, they appear as radiopaque area and are often bilateral. you suspect

Madibular tori

Lingual mandibular bone concavity

Genial tubercles

Madibular fossa

46. Leukoedema is considered a variant of normal and is observed clinically as a diffuse gray to white film on the buccal mucosa that gives an opalescent character to tissue. IT is most comonnly found

Whites

Asians

Native americans

Blacks

47. The cause of supernumerary teeth is most likely

Genetic

Traumatic

Cystic

Developmental

48. Which condition is most often seen on the buccal muscosa?

Melanin pigmentation

Fordyce's granules

Nicotine stomatitis

Retrocuspid papilla

49. One of the following types of radiation has high Linear Energy Transfer (LET) and hence the potential for more radiation related tissue damage

Gamma rays

X-rays

Alpha rays

Micro waves

U-V radiation

Alpha rays are particulate radiation, travel slowly and has more LET. This will lead to more radiation damage to the cells

Explanation

Alpha rays are particulate radiation, travel slowly and has more LET. This will lead to more radiation damage to the cells

50. In the radiographic principle, "SLOB rule, "same side movement of the object is and the oppsite side movement of the object is . What are the missing words in the same sequence.

Lateral and buccal

Lingual and buccal

Lingual and both sides

Lateral and both sides

51. The "rotating anode" design in an x-ray tube limits the amount of

Lighting at anode

Heat production at anode

Electron production at cathode

Speed of electrons from cathode to anode

X-rays that are produced at the anode

52. During an acute gingival inflammatory response, which of the following cell types can destroy virulent bacteria by phagocytosis and T-cell mediation?

Plasma cells

Mast cells

B-Limphocytes

Macrophage

Polymorhonuclear leukocyte

53. 40 years diabetic patient, present clinically with periodontal attachment loss and diagnosed as having periodontitis. According to AAP 1999 classification of periodontal diseases, the type of periodontitis in this case is: .

Aggressive periodontitis.

Periodontitis as a manifestation of systemic disease.

Chronic periodontitis modified by systemic condition

Generalized aggressive periodontitis

54. Which cyst is characteristically pear shaped?

Globulomaxillary cyst

Median palatal cyst

Incisal canal cyst

Median mandibular cyst

55. A freckle is an example of which one of the following terms?

Bulla

Vesicle

Lobule

Macule

56. Which one of the following is a variant of normal at one time was thought to be a developmental anomaly but is now suggested to be associated with candida albicans? Clinically, there is a rectangular area on the midline of the dorsal surface of the tongue devoid of filiform pappillae.

Median rhomboid glossitis

Geographic tongue

Fissured tongue

Lingual thyroid

57. A patient presents with the clinical signs of acute necrotizing ulcerative gingivitis. Other constitutional signs are also evident. you have the patient being hydrogen peroxide rinses without culturing the bacterial flora. this action applies which one of the following diagnostic categories

Therepeutic

Microscopic

Clinical

Final or definitive

58. The cathode and anode are parts of an x-ray tube.
The anode is negatively charged.

The first statement is correct. The second statement is wrong

The first statement is wrong. The second statement is correct

Both the statements are correct

Both the statements are wrong

59. Which one of the following decribes the appearance of enamel hypocalcification?

Pitting defects

Yellowish brown discoloration

Blackish brown spots

Chalky white spots

60. Which term refers to an ectopic mass of thyroid tissue located on the dorsal tongue?

Thyroid cyst

Thyroid tumor

Lingual tonsil

Lingual thryoid

61. Which location is the most likely for an talon cusp?

Canines

Incisors

Molars

Premolars

62. After arriving at a differential diagnosis, information from which one of the following categories will best establish a final or definitive diagnosis?

Clinical

Historical

Microscopic

Radiographic

63. Another term for geographic tongue

Migratory glossitis

Median rhomboid glossitis

Scalloped tongue

White hairy tongue

64. The "p" in kVp stands for

Percentage

Parallel

Punitive

Peak

Paired

p is the peak of the kilovoltage as it represents the peak energy of the beam. In a 70kVp beam only some of the photons have the energy representative of 70 kV while the rest of the photons have a lower energy ranges. That is why the beam is called "polychromatic beam"

Explanation

p is the peak of the kilovoltage as it represents the peak energy of the beam. In a 70kVp beam only some of the photons have the energy representative of 70 kV while the rest of the photons have a lower energy ranges. That is why the beam is called "polychromatic beam"

65. All the following are phases of periodontal treatment plan except:

Surgical phase

Maintenance phase

Non-surgical phase

Refractory phase

66. Which is the best method of brushing technique preferred for the patient with orthodontic appliance:

Charter's method

Bass method

Still man method

Both A and B are correct

67. In the presence of abundant plaque formation, hyperplastic gingivitis can be associated with which of the following? 1. Mouth breathing 2. Cyclosporine 3. Procardia 4. Pregnancy 5. Phenytoin

1,3 and 5

Only 5

All of them

1,2,4 and 5

68. Which term refers to the developmental anomaly that arises when a single tooth germ attempts to divide and results in the incomplete formation of two teeth?

Fusion

Gemination

Concrescence

Dilaceration

69. Which teeth most often appear smaller than normal?

Mandibular premolars and maxillary third molars

Maxillary premolars and mandibular third molars

Mandibular lateral incisors and mandibular third molars

Maxillary incisor and maxillary molars

70. Which term refers to a developmental anomaly in which teeth exhibit elongated large pulp chambers and short roots?

Dens in dente

Dens evaginatus

Taurodontism

Dilaceration

71. Which of the following teeth most often exhibit supernumerary roots?

Maxillary premolars

Maxillary third molars

Mandibular first molars

Maxillary first molars

72. Which term describes a tooth in which bone hase fused to cementum and dentin and prvents the eruption of an underlying permanent tooth?

Ankylosed

Embedded

IMPACTED

Fused

73. Which term refersto the lack of one or more teeth?

Taurodont

Mesiodens

Paramolar

Distomolar

74. Which term refers to the enamel hypoplasia of a permanent tooth that results ffrom infection of a deciduous tooth?

Hutchinson's incisors

Talon's tooth

Turner's tooth

Gorlin's tooth

75. Which term refers to teeth that appear ghostlike on a dental radiograph?

Taurodontism

Enamel hypocalcification

Regional odontodysplasia

Enamel hypoplasia

76. In the construction of an x-ray tube, the function of a step- down transformer is to

Convert the line current of 110 volts to less than 10 milli ampeares

Convert the line current of 110 volts to less than 10 volts

Convert the line current of 220 volts to less than 10 volts

Convert the line current of 110 volts to less than 100 amperes

77. An example of an electro-magnetic radiation is

Alpha rays

Beta rays

Cathode rays

Gamma rays

None of the above

78. In periodontal disease, loss of which of the following fiber bundles are primarily associated in preventing the progressive downward proliferation of the junctional epithelium into the periodontal ligament and alveolar bone?

Transseptal

Circular

Interradicular

Alveolar gingival

79. A slow growing, bony hard exophytic growth in the midline of the hard palate is developmental and heriditary in origin. The diagnosis is determined through clinical evaluation. you suspect

Torus palitinus

Mixed tumor

Palatal cyst

Nasopalitine cyst

80. Which terms describes a tooth that has not erupted because of the lack of eruptive force?

Ankylosed

Impacted

Embedded

Fused

81. Which tooth is the second most common supernumerary tooth?

Taurodont

Mesiodens

Paramolar

Distomolar

82. Which one of the following terms is most often used when describing mandibular tori?

Bullous

Lobulated

Sessile

Pedunculated

83. A small circumscribed lesion usually les than 1cm in diameter that is elevated and protrudes above the surface of normal surrounding tissue is called a bulla

Bulla

Macule

Vesicle

Papule

84. Which term refers to the origin and tissue formation?

Odontogenesis

Dentinogenesis

Amelogenesis

Cementogenesis

85. Which developmental anomaly is often associated with non vital tooth and periapical lesions?

Dens in dente

Dens evaginatus

Taurodontism

Talon cusp

86. Which location is the most common for lip pits?

Commissure

Philtrum

Nasolabial groove

Labiomental groove

87. An example of particulate radiation is

Gamma rays

X-rays

Cathode rays

None of the above

All of the above

88. Which term refers to the joinign of teeth by cementum only?

Fusion

Gemination

Twinning

Concrescence

89. Which term refers to an abnormal angulation or curve in the root or cron of a tooth?

Fusion

Gemination

Concrescence

Dilaceration

90. Whihc cyst is an odontogenic intraosseous cyst that forms around the the crown of a dveloping tooth?

Coronal cyst

Dentigerous cyst

Lateral periodontal cyst

Eruption cyst

91. A 27 years-old preswents to your office all of the following: loss of interdental and marginal stippling, blue-red tissue color, and bleeding upon gentle probing. Your Diagnosis is:

Gingival recession

Systemic diseases

Chronic gingivitis

Advanced priodontal diseases

92. Which one of the following descriubes the appearance of enamel hypoplasia resulting from afebrile illness or vitamin deficiency?

Pitting defects

Yellowish brown discoloration

Blackish brown staining

Chalky white spots

93. In addition to odontogenic keratocyst which lesion would you suspect if a radiograph revealed a multiocular radiolucency?

Globulomaxillary cyst

Aneurysmal bone cyst

Stafne's bone cyst

Radicular cyst

94. The lateral periodontal cyst is defined by its location. In which area is the lateral periodontal cyst most commonly found?

Mandibular third molar area

Maxillary tuberosity area

Between the maxillary premolars

Between the mandibular cuspid and first premolar

95. Which cyst dvelops in place of a tooth?

Dentigerous cyst

Primordial cyst

Follicular cyst

Odonttogenic cyst

96. Which cyst is considered a pseudocyst?

Traumatic bone cyst

Dentigenerous cyst

Lymphoepithelial cyst

Primordial cyst

97. Which one of the following terms describes the base of a lesion that is stalk like?

Sesile

Lobulated

Bulbous

Pedunculated

98. Which cyst is characterised by a unique hostologic appearnance and frequent reoccurance?

Residual cyst

Stafne's bone cyst

Odontogenic keratocyst

Eeruption cyst

99. Which cyst is not an odontogenic cyst?

Dentigenerous cyst

Primordial cyst

Median palatal cyst

Lateral periodontal cyst

100. Which of the following statements accurately inter-relates the tooth and periodontium interface?

Junctional epithelial cells are oriented parallel to the root surface.

Periodontal ligament fibers insert in cementum and bone biochemically through fibronectin

The junctional epithelial cells are non-secreting cells.

The Lamina densa primarily contains hemidesmosomal plaques

Polymorphonuclear leukocytes can pass between junctional epithelium cells into the gingival sulcus/pocket.

Submit

101. Which terms refers to an accesory cusp located on the occlusal surface of a tooth?

Mulberry cusp

Talon cusp

Dens invaginatus

Dens evaginatus

Dentistry/Dental AST. Simulation Examination 5

1. Which teeth are most often impacted?

2.

What first name or nickname would you like us to use?

2. Which term refers to the adhesion of the tongue to the floor of the mouth?

3. Whihc term refers to abnormally large teeth?

4. The radiograph shown here is frequently used in Orthodontics for study of the growth and development of the head. Name the radiograph

5. Whihc cyst was probably a radicular cyst left behind after the extraction of the offending tooth?

6. Which term refers to the total absence of all teeth?

7. Name the following intraoral radiograph

8. The radiograph shown here is a

9. What is the proper reduction for incisal edge?

10. Which one of the following is associated with enamel hypoplasia resulting from congenital syphillis?

11. With which cyst may the patient emplain of dysphagia?

12. Which location is the most likely for an enamel pearl?

13. Which term refers to the irregular areas of discoloration that results from fluoride ingestion?

14. Radiographic diagnosis would most likely be sufficient to determine the final or definitive diagnosis of

15. Identify the intraoral radiograph shown

16. The sharpness of the image is determined to a large extent by the

17. Match each of the following item from left side with its best description in the right side:

18. Which terms refers to a defect present at birth?

19. Which term refers to the developmental anomaly that arises from the union of two normally separated adjacent tooth germs?

20. The teeth are vital with all of the following cysts except

21. Which terms refers to abnormally small teeth?

22. The primary cause of periodontal diseases is

23. The order of case scheme taking is as follows

24. Historical diagnosis can include the patient's

25. Which teeth are most often missing?

26. Which term refers to teeth that cannot erupt because of physical obstruction?

27. Clinical diagnosis can be used to determine the final or definitive diagnosis of all of the following except

28. When an antifungal ointment or cream is applied (before any culture to the areas of angular cheilitis, which one of the following diagnostic categories being used?

29. yellow clusters of ectopic sebaceous glands commonly observed on the buccal mucosa and evaluated through clinical diagnosis are most likely

30. A sessile based lesion is

31. Periodontium include all of the following:

32. Root planning is

33. Root caries usually occurs in old age.

34. The "white line" observed clinically on the buccal mucosa that extends from anterior to posterior along the occlusal plane is

35. Which one of the following diagnostic categories would the hygienist most easily apply to the prliminary evaluation of oral lesions?

36. The identification of which one of the following is not determined by clinical diagnosis?

37. 70 kilovolts equals

38. Incisal edge reduction should be performed prior to cervical preparation.

39. According to the video, what is the most important consideration in a PLV video?

40. Gracey curettes used to scale distal surface of posterior teeth are:

41. Necrotizing ulcerative periodontitis

42. Which tooth is msot common supernumerary tooth?

43. The most common cause of the radicular cyst is

44. To determine the presence of blood dyscrasias, which one of the following would provide the most definitive information?

45. These examples of exotoses are found on the lingual aspect of the mandible in the area of the premolars. they are benign, bony, and hard and require no treatment. radiographically, they appear as radiopaque area and are often bilateral. you suspect

46. Leukoedema is considered a variant of normal and is observed clinically as a diffuse gray to white film on the buccal mucosa that gives an opalescent character to tissue. IT is most comonnly found

47. The cause of supernumerary teeth is most likely

48. Which condition is most often seen on the buccal muscosa?

49. One of the following types of radiation has high Linear Energy Transfer (LET) and hence the potential for more radiation related tissue damage

50. In the radiographic principle, "SLOB rule, "same side movement of the object is ______ and the oppsite side movement of the object is ______. What are the missing words in the same sequence.

51. The "rotating anode" design in an x-ray tube limits the amount of

52. During an acute gingival inflammatory response, which of the following cell types can destroy virulent bacteria by phagocytosis and T-cell mediation?

53. 40 years diabetic patient, present clinically with periodontal attachment loss and diagnosed as having periodontitis. According to AAP 1999 classification of periodontal diseases, the type of periodontitis in this case is: .

54. Which cyst is characteristically pear shaped?

55. A freckle is an example of which one of the following terms?

56. Which one of the following is a variant of normal at one time was thought to be a developmental anomaly but is now suggested to be associated with candida albicans? Clinically, there is a rectangular area on the midline of the dorsal surface of the tongue devoid of filiform pappillae.

57. A patient presents with the clinical signs of acute necrotizing ulcerative gingivitis. Other constitutional signs are also evident. you have the patient being hydrogen peroxide rinses without culturing the bacterial flora. this action applies which one of the following diagnostic categories

58. The cathode and anode are parts of an x-ray tube. The anode is negatively charged.

59. Which one of the following decribes the appearance of enamel hypocalcification?

60. Which term refers to an ectopic mass of thyroid tissue located on the dorsal tongue?

61. Which location is the most likely for an talon cusp?

62. After arriving at a differential diagnosis, information from which one of the following categories will best establish a final or definitive diagnosis?

63. Another term for geographic tongue

64. The "p" in kVp stands for

65. All the following are phases of periodontal treatment plan except:

66. Which is the best method of brushing technique preferred for the patient with orthodontic appliance:

67. In the presence of abundant plaque formation, hyperplastic gingivitis can be associated with which of the following? 1. Mouth breathing 2. Cyclosporine 3. Procardia 4. Pregnancy 5. Phenytoin

68. Which term refers to the developmental anomaly that arises when a single tooth germ attempts to divide and results in the incomplete formation of two teeth?

69. Which teeth most often appear smaller than normal?

70. Which term refers to a developmental anomaly in which teeth exhibit elongated large pulp chambers and short roots?

71. Which of the following teeth most often exhibit supernumerary roots?

72. Which term describes a tooth in which bone hase fused to cementum and dentin and prvents the eruption of an underlying permanent tooth?

73. Which term refersto the lack of one or more teeth?

74. Which term refers to the enamel hypoplasia of a permanent tooth that results ffrom infection of a deciduous tooth?

75. Which term refers to teeth that appear ghostlike on a dental radiograph?

76. In the construction of an x-ray tube, the function of a step- down transformer is to

77. An example of an electro-magnetic radiation is

50. In the radiographic principle, "SLOB rule, "same side movement of the object is and the oppsite side movement of the object is . What are the missing words in the same sequence.

58. The cathode and anode are parts of an x-ray tube.
The anode is negatively charged.