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Angle used Arabic numerals to describe the main classes of mesio-distal relationship of the cusps of the permanent first molars.
Angle used Arabic numerals to describe the main classes of mesio-distal relationship of the cusps of the permanent first molars.
False
Angle's classification system focused on the relationship of the jaws to each other but not to the face or cranium.
Angle's classification system focused on the relationship of the jaws to each other but not to the face or cranium.
False
Half Unit Class II and Full Unit Class II are subdivisions of Angle Class II division 1.
Half Unit Class II and Full Unit Class II are subdivisions of Angle Class II division 1.
True
Angle Class II division 2 can be further subdivided into right and left subdivisions.
Angle Class II division 2 can be further subdivided into right and left subdivisions.
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Skeletal Classification is not a part of Angle's Classification system.
Skeletal Classification is not a part of Angle's Classification system.
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Angle's Classification system includes Canine Classification but excludes Incisor Classification.
Angle's Classification system includes Canine Classification but excludes Incisor Classification.
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The Etiology & prevention of malocclusion is one of the Communication Objectives of Classification.
The Etiology & prevention of malocclusion is one of the Communication Objectives of Classification.
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Ackermann & Proffit developed a different classification system from Angle's system.
Ackermann & Proffit developed a different classification system from Angle's system.
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Angle did not consider the maxilla to be in a fixed position due to its attachment to the base of the cranium.
Angle did not consider the maxilla to be in a fixed position due to its attachment to the base of the cranium.
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Disproportion between Basal Bones is classified as Local Abnormalities in Angle's Classification system.
Disproportion between Basal Bones is classified as Local Abnormalities in Angle's Classification system.
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