adolescent growth and relation to ortho tx (dr. firestone) Flashcards
how to sex hormones affect endochondral growth?
they stimulate cartilage growth, therefore growth spurt
the adolescent growth spurt begins _______ earlier in females than males
1.5-2 years (10.5 in females, 12.5 in males)
what does growth in height correlate with?
jaw growth
symptoms of the end of the male growth spurt include __________ and ___________.
pigmented facial hair, mature voice
how long does the male growth spurt last?
5 years
how long does the female growth spurt last?
3+ years
the female growth spurt begins with _______ and ends with__________.
breast development, menarche
On the Scammon’s growth curve, mandibular growth reflects ___________ growth.
general
On the Scammon’s growth curve, maxillary growth reflects ____________ growth.
neural
rank genital, maxillary, general and mandibular growth
genital> general> mandibular> maxillary
facial growth is _________ growth.
differential
during differential growth, the __________ grows more and longer, becomes more prominent, therfore profile becomes __________ convex.
mandible, less
growth sequence: _______ stops before_______ before_______
width, length, height
________ stops before growth spurt EXCEPT where?
width, alveolar arches widen in area of molar eruption
_______ and ______ increase through puberty.
length and height
why does the height of the face grow longer than length?
vertical growth of mandible
permanent incisors lie _______ (buccal/ lingual) to primary incisors
lingual
what is incisor liability?
permanent incisors are 2-3.5mm/ quadrant larger than primary incisors
where are developmental spaces?
between primary incisors
where are primate spaces?
mesial of maxillary canine, distal of mandibular canine