Growth and Development of the Dentofacial
Complex Exam 2025
What is the cephalocaudal growth gradient? - Answer -
an axis of growth extending from head to toe
- things near the head grow sooner than those near the tail
- in general, structures farther from the brain grow more and
later
Why is providing orthodontic treatment to a 5-year old with a
concave facial profile urgent? - Answer cephalocaudal
growth gradient in the head and face: mandible grows at a later
time and greater amount in development than the maxilla
What are Scammon's Growth Curves? - Answer -
different tissues exhibit peak growth during different times:
differential growth
- pattern of growth: recognizable, predictable
- pattern allows one to recognize abnormalities and to prescribe
treatments that complement growth
, What bone of the face experiences a single period of rapid
growth at an early age? - Answer maxilla
What bone has two periods of rapid growth that mirrors somatic
growth? - Answer mandible
What does the late period of mandibular growth coincide with? -
Answer puberty
True or false: mandibular growth always precedes maxillary
growth - Answer false
A convex facial profile is associated with what skeletal class? -
Answer class II
A concave facial profile is associated with what skeletal class? -
Answer class III
Complex Exam 2025
What is the cephalocaudal growth gradient? - Answer -
an axis of growth extending from head to toe
- things near the head grow sooner than those near the tail
- in general, structures farther from the brain grow more and
later
Why is providing orthodontic treatment to a 5-year old with a
concave facial profile urgent? - Answer cephalocaudal
growth gradient in the head and face: mandible grows at a later
time and greater amount in development than the maxilla
What are Scammon's Growth Curves? - Answer -
different tissues exhibit peak growth during different times:
differential growth
- pattern of growth: recognizable, predictable
- pattern allows one to recognize abnormalities and to prescribe
treatments that complement growth
, What bone of the face experiences a single period of rapid
growth at an early age? - Answer maxilla
What bone has two periods of rapid growth that mirrors somatic
growth? - Answer mandible
What does the late period of mandibular growth coincide with? -
Answer puberty
True or false: mandibular growth always precedes maxillary
growth - Answer false
A convex facial profile is associated with what skeletal class? -
Answer class II
A concave facial profile is associated with what skeletal class? -
Answer class III
