Orthodontic I Preparation (Dr. Chum Mony)

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

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

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

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

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

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

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

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

9) Pierre-robin syndrome:?

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

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

12) Major growth mechanism of cranial vault?

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

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

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

16) Source of intraoral anchorage:?

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

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

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

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

21) The halves of the mandible fused at age?

22) Incisor liability:?

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

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

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

26) Maxillary alveolar process growth is:?

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

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

29) 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

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

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

32) Intrauterine molding may lead to…?

33) Spaces between the primary anteriors:?

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

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

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

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

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

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

40) The profile of a normal neonate is?

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

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

43) The bone resorption that follows hyalinization is:?

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

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

46) 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:?

47) Chin cup is used to intercept a?

48) The anchorage utilizing the neck is?

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

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

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

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

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

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

55) Primate space is found between the:?

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

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

58) Eruptive tooth movement begins when?

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

60) Distal step terminal plane results to:?

61) The most important dental arch dimension is?

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

63) Cleidocranial dysostosis:?

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

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

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

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

68) Sequence of eruption of maxillary permanent teeth.?

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

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

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

72) Treacher-collin syndrome?

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

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

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

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

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

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

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

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

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

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

83) The greatest increase in cranial growth occurs during?

84) Changes in facial growth in adult.?

85) Vogelgesicht:?

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

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

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

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

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

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

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

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

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

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

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

97) Treatment for developing anterior cross bite:?

98) Horizontal lengthening of the maxilla occurs in?

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

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

101) Hyalinized areas:?

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

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

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

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

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

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

108) Lip bumper is being used for:?

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

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