Orthodontic I Preparation (Dr. Chum Mony)

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

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

3) Pierre-robin syndrome:?

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

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

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

7) 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:?

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

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

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

11) Spaces between the primary anteriors:?

12) Horizontal lengthening of the maxilla occurs in?

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

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

15) Distal step terminal plane results to:?

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

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

18) Eruptive tooth movement begins when?

19) Intrauterine molding may lead to…?

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

21) Changes in facial growth in adult.?

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

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

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

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

26) Vogelgesicht:?

27) The bone resorption that follows hyalinization is:?

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

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

30) Cleidocranial dysostosis:?

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

32) Major growth mechanism of cranial vault?

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

50) Source of intraoral anchorage:?

51) Maxillary alveolar process growth is:?

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

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

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

55) 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

56) The most important dental arch dimension is?

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

58) Chin cup is used to intercept a?

59) The halves of the mandible fused at age?

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

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

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

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

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

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

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

67) The greatest increase in cranial growth occurs during?

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

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

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

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

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

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

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

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

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

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

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

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

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

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

82) Treacher-collin syndrome?

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

84) The anchorage utilizing the neck is?

85) Lip bumper is being used for:?

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

87) Primate space is found between the:?

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

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

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

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

92) Treatment for developing anterior cross bite:?

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

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

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

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

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

98) Incisor liability:?

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

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

101) Sequence of eruption of maxillary permanent teeth.?

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

104) The profile of a normal neonate is?

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

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

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

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

109) Hyalinized areas:?

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