Orthodontic I Preparation (Dr. Chum Mony)

1) Sequence of eruption of maxillary permanent teeth.?

2) Incisor liability:?

3) Major growth mechanism of cranial vault?

4) A system of malocclusion that uses gnathostatic approach.?

5) The halves of the mandible fused at age?

6) Source of intraoral anchorage:?

7) The principal growth site of the cranial base believed to be responsible for its anteroposterior growth is?

8) Hyalinized areas:?

9) If the upper and lower incisors are labially inclined in relation with each other, it is related to what type profile?

10) Treacher-collin syndrome?

11) This type of force occurs when removable appliances are used.?

12) System that describes the antero-posterior relationship of the maxilla and the mandible based on the position of the first permanent molar.?

13) The anchorage in which the units situated in one jaw is used to effect tooth movement in the other jaw.?

14) Resistance to tooth movement is related to the following:? I. alveolar bone II. Basal bone III. Teeth IV. intercuspation of teeth

15) Which of the following is not a source of extra space for the resolution of permanent incisor crowding in the lower arch?

16) A distal step in the primary dentition will most likely to reflect a Class ___ occlusion in the permanent dentition.?

17) The “V” principle of growth is best illustrated by the?

18) Chin cup is used to intercept a?

19) Primate space is found between the:?

20) Hapsburg family has a strong genetic influence on__?_

21) Two forces equal in magnitude and opposite in direction.?

22) Which among the following are vertical planes? I. facial II. Y axis III. Axis of 1 IV. palatal planes

23) The cranial vault increases rapidly in size the first few years postnatally. This growth is typical of which of the following types of tissue?

24) The nature of degree of resistance and displacement of an anatomic unit for the purpose of effective tooth movement.?

25) Two or more teeth moving in opposite directions and pitted against each other is equal and opposite. The anchorage is what?

26) The sum of the widths of CDE is generally:?

27) Neutroclusion with labioversion of maxillary centrals and buccoversions of mandibular 1st premolar.?

28) The best time to influence growth is during the time of greatest change, they are best treated, that is before and during puberty.?

29) This can detect the muscle activity and the effect of abnormal muscle function on the dentition.?

30) Distal step terminal plane results to:?

31) Which among the following are variations in facial type? I. oligocephalic II. Brachycephalic III. Dolicocephalic IV. mesocephalic

32) Diastema closure of 2 central incisors by elastic traction, tipping the crowns together.?

33) The bone resorption that follows hyalinization is:?

34) Displacement of the mandible due to its growth at the condyle and posterior border of the ramus is?

35) A mesocephalic face has a/an____ dental arch form?

36) The vertical lengthening of the maxillary complex is brought about by a composite of factors, except:?

37) Cleidocranial dysostosis:?

38) Lower molar is distally positioned in relation to upper molar.?

39) The theory which states that the growth of the craniofacial bones is caused by the soft tissues adjacent to them.?

40) Which among the following are anchorage according to the number of units? I. single II. Compound III. intra maxillary IV. reinforced

41) Which among the following are horizontal planes? I. FH plane II. SN plane III. axis of 1 IV. occlusal plane

42) Unilateral mesiocclusion with zero over jet and overbite.?

43) Methods in measuring the apical base relationship:? I. SNA II. SNB III. ANB IV. FMA

44) Abnormal lip activity is almost always associated with:?

45) These are six soft spots present between the bones of the skull roof.?

46) It is the difference in size between the primary teeth and their permanent successor in the posterior segment:?

47) The major mechanism for growth of the cranial case is the:?

48) Which among the following are sources of extraoral anchorage? I. cervical II.Occipital III. cranial IV. reciprocal

49) Arch dimensions can be measured with the use of?

50) Intrauterine molding may lead to…?

51) The greatest increase in cranial growth occurs during?

52) The following are distinctive structural features related to cartilage of the cranial base, except:?

53) Six keys to normal occlusion include the following? I. no rotations II. no spaces in between teeth III. upright anterior teeth

54) Which of the following are normal signs of primary dentition? I. ovoid arch form II. deep overjet and overbite III. straight terminal plane IV. primate spaces

55) Growth dimensions in the maxilla which are are sex-linked at puberty.?

56) Vogelgesicht:?

57) Predominant type of malocclusion seen in mixed dentition is?

58) Treatment for developing anterior cross bite:?

59) Which among the following are anatomic landmarks? I. Na II. Pog III. Go IV. Kr

60) Growth by proliferation of cartilage cells and the conversion of the older cartilage into new bone cell is?

61) The best alternative diagnostic aid in the absence of cephalometric headplate.?

62) The following landmarks are used to determine the protrusiveness of the mandibular base in relation to the cranial base.?

63) Spaces between the primary anteriors:?

64) Which of the following are principal growth sites of mandible? I. Posterior surface of ramus II. Condyle III. coronoid process IV. chin

65) Horizontal lengthening of the maxilla occurs in?

66) It is an excellent aid in appraising facial balance, facial type and harmony of external feature.?

67) The sequence of completion of facial growth by planes of space is?

68) At birth, which of the following structures is nearest the size it will eventually attain in adulthood?

69) Which of the following is not a characteristic of a mature swallow?

70) Force level declines steadily to zero between activations.?

71) Bone ossification can be detected with the use of:?

72) An inherent disposition of most teeth to drift mesially even before they are in occlusion:?

73) Posterior crossbite during mixed dentition can be treated by?

74) This appraises the soft tissue adaptation to the bony profile, lip size, shape and posture of soft tissue thickness over the symphisis.?

75) Movement of teeth in which the crown and root moved in the samed direction.?

76) Unilateral distoclusion with linguoversion of the maxillary central incisors is also known as:?

77) Unilateral distoclusion with linguoversion of maxillary centrals and labioversion of lateral incisors?

78) Eruptive tooth movement begins when?

79) The systematic analysis of the child’s dentition and supporting denture bases as they relate to the facial bones and cranial base.?

80) The profile of a normal neonate is?

81) Lip bumper is being used for:?

82) The most important dental arch dimension is?

83) Angle tha determines the position of the most protrusive mandibular central incisor to the mandibular plane.?

84) At what stage in Nolla’s classification does a permanent tooth start to erupt?

85) Maxillary alveolar process growth is:?

86) Changes in facial growth in adult.?

87) Initial ossification of these bones preceeded peak growth in boys.?

88) The anchorage utilizing the neck is?

89) Space for eruption of permanent mandibular molars is created by:?

90) Dental age which is characterized by the eruption of all succedaneous teeth with the 2nd permanent molars rearing eruption?

91) What is the chief factor in the formation of the alveolar process?

92) Permanent teeth that erupt posterior to the primary teeth?

93) A criss cross elastic to correct posterior cross bite.?

94) The anchorage distributed to both upper and lower jaws is?

95) It is described as very broad, short faces with square dental arches.?

96) The following are oblique and parallel sutures of the maxilla, except:?

97) 75. A narrow maxillary arch with respect to midsagittal plane is said to be in?

98) A supraverted mandibular premolar with respect to Frankfurt horizontal plane is said to be in?

99) Which of the following factors will not increase maxillary width?

100) The anchorage in which the resistance of one or more dental units are utilized to move one or more opposing dental units.?

101) Activity at the intra-occipital synchondrosis closes at?

102) A direct growth movement that is produced by deposition on one side of the orbital plate with resorption on the opposite side is?

103) Word used in Orthodontics which means resistance to the displacement:?

104) An inhibited growth of the mandible due to ankylosis of the TMJ will result to:?

105) As maxilla is translated downward and forward, bone is removed from __ surface?

106) Pierre-robin syndrome:?

107) The main growth site of the mandible which is responsible for its increase ion height?

108) From the flush terminal plane relationship of molars in the primary dentition, the permanent first molar relationship in the permanent dentition can become the following in the transition period, except:?

109) Abnormal habit often known as a residuum of the finger sucking habit.?

110) Class I permanent molar relationship can be achieved through the following, except?