Orthodontic I Preparation (Dr. Chum Mony)

1) Eruptive tooth movement begins when?

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

3) Source of intraoral anchorage:?

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

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

6) Lip bumper is being used for:?

7) Cleidocranial dysostosis:?

8) Spaces between the primary anteriors:?

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

10) Treatment for developing anterior cross bite:?

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

12) Horizontal lengthening of the maxilla occurs in?

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

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

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

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

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

18) Distal step terminal plane results to:?

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

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

21) 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

22) Vogelgesicht:?

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

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

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

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

27) The greatest increase in cranial growth occurs during?

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

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

30) Intrauterine molding may lead to…?

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

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

34) The anchorage utilizing the neck is?

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

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

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

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

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

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

41) Maxillary alveolar process growth is:?

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

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

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

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

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

47) The halves of the mandible fused at age?

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

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

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

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

52) Chin cup is used to intercept a?

53) Incisor liability:?

54) 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:?

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

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

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

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

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

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

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

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

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

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

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

66) The bone resorption that follows hyalinization is:?

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

68) The profile of a normal neonate is?

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

70) Changes in facial growth in adult.?

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

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

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

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

75) The most important dental arch dimension is?

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

77) Major growth mechanism of cranial vault?

78) Primate space is found between the:?

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

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

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

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

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

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

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

86) Sequence of eruption of maxillary permanent teeth.?

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

88) Pierre-robin syndrome:?

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

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

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

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

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

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

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

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

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

98) Treacher-collin syndrome?

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

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

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

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

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

104) Hyalinized areas:?

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

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

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

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

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

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