Occlusion part 1Quiz

Bonwill described the mandibular dental arch to be adapted to a 4 inches equilateral triangle, its angles are located as follows:

• The angles of the base at the center of the condyles and the apex at the cingulum of the lower central incisors.

• The angles of the base at the centers of the condyles while the apex at the mesial contact areas of the lower central incisors.

• The angles of the base are located at the anterior border of the condyles while the apex at the mesial contact areas of the lower central incisors.

• The angles of the base at the coronoid while the apex at the mesial contact areas of the lower central incisors.

The Leeway space occurs during which phase of the dental arch development?

• The sixth phase.

• The fifth phase.

• The third phase.

• The fourth phase.

Curve of Monson is the combination of curve of Spee and curve of Wilson, it is within the ______ and ______ planes.

• lateral and medial

• sagittal and coronal

• frontal and transverse

• horizontal and vertical

The phase in the development of the permanent teeth into the dental arches characterized by the eruption of first permanent molars is the ______ phase.

• First phase.

• Second phase.

• Third phase.

• Fourth phase.

What is the term used to describe the combination of curve of Spee and curve of Wilson?

• Curve of Monson

• Curve of Bonwill

• Curve of Leeway

• Curve of Angle

Which phase of dental arch development is characterized by the eruption of first permanent molars?

• First phase

• Second phase

• Third phase

• Fourth phase

During which phase of dental arch development does the Leeway space occur?

• The sixth phase

• The fifth phase

• The third phase

• The fourth phase

What term is used to describe the combination of curve of Spee and curve of Wilson?

• Curve of Monson

• Curve of Bonwill

• Curve of Leeway

• Curve of Angle

Which phase of dental arch development is characterized by the eruption of first permanent molars?

• First phase

• Second phase

• Third phase

• Fourth phase

What is the Leeway space and during which phase of dental arch development does it occur?

• It is the space created by the difference in size between primary molars and permanent premolars, occurring in the fourth phase.

• It is the space created by the difference in size between primary molars and permanent premolars, occurring in the third phase.

• It is the space created by the difference in size between primary canines and permanent premolars, occurring in the fifth phase.

• It is the space created by the difference in size between primary canines and permanent premolars, occurring in the sixth phase.