Orthodontic I Preparation (Dr. Chum Mony)

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

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

3) Intrauterine molding may lead to…?

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

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

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

7) The profile of a normal neonate is?

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

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

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

11) Lip bumper is being used for:?

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

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

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

15) Maxillary alveolar process growth is:?

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

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

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

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

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

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

22) The bone resorption that follows hyalinization is:?

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

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

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

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

27) Hyalinized areas:?

28) Distal step terminal plane results to:?

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

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

31) 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

32) Incisor liability:?

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

34) Major growth mechanism of cranial vault?

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

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

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

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

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

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

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

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

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

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

45) The halves of the mandible fused at age?

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

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

48) The anchorage utilizing the neck is?

49) Eruptive tooth movement begins when?

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

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

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

53) Horizontal lengthening of the maxilla occurs in?

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

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

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

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

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

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

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

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

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

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

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

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

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

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

68) The most important dental arch dimension is?

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

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

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

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

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

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

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

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

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

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

79) 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:?

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

81) Vogelgesicht:?

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

83) Treatment for developing anterior cross bite:?

84) The greatest increase in cranial growth occurs during?

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

86) Changes in facial growth in adult.?

87) Spaces between the primary anteriors:?

88) Source of intraoral anchorage:?

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

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

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

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

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

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

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

96) Pierre-robin syndrome:?

97) Primate space is found between the:?

98) Cleidocranial dysostosis:?

99) Treacher-collin syndrome?

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

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

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

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

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

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

106) Chin cup is used to intercept a?

107) Sequence of eruption of maxillary permanent teeth.?

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

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

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