INBDE - Mental Dental Mix – ORTHO
2026
----ORTHO----- - answer-
What matures fully first? - answer-maxilla then the mandible
What is the cephalocaudal growth gradient? - answer-body parts closer to cranium grow
faster earlier
body parts further from the cranium grow more later
At what age to lymphoid tissues start to go down? - answer-age 10
lymphoid tissues go down, as genital tissues goes up
What is the average peak growth for girls? boys? - answer-girls = age 12
boys = age 14
**the earlier you reach your peak, the shorter your growth spurt and the less overall growth
What is endochondral growth? - answer-"within the cartilage"
growth from the inside
increase in length
under more genetic control
What is intramembranous growth? - answer-"within membrane"
growth from the outside
increase in diameter/thickness
influenced more by env. factors
, What type of ossification occurs at fontanelles and sutures as well as internal and external
surfaces ? -
answer-intramembranous ossification
What type of ossification occurs at synchondroses? - answer-endochondral ossification
What type of ossification occurs at sutures posterior and superior to maxilla and also to
remodel
surfaces - answer-intramembranous ossification
What type of ossification creates the embryonic corpus/ramus? - answer-intramembranous
ossification
What type of ossification creates the condylar cartilage? - answer-endochondral ossification
If the growth of the condyle is greatly exceeding the molar eruption what will happen ? -
answer-shorter
face height
and skeletal deep bite
What are highlights of fetal alcohol syndrome? - answer-midface deficiency
increase in cleft lip, smooth philtrum, thin upper lip, small papillary fissures
ethanol = teratogen
CNS problems = difficulty learning, vision, hearing and communication
What are key features of Treacher Collins Syndrome? (mandibulofacial dysostosis) -
answer-
underdeveloped mandible
downslanted palpebral fissures
cleft palate
microtia = small ear
What is Hemifacial microsomia ? - answer-loss of neural crest cells during migration
ear and mandibular ramus are deficient on affected side
2026
----ORTHO----- - answer-
What matures fully first? - answer-maxilla then the mandible
What is the cephalocaudal growth gradient? - answer-body parts closer to cranium grow
faster earlier
body parts further from the cranium grow more later
At what age to lymphoid tissues start to go down? - answer-age 10
lymphoid tissues go down, as genital tissues goes up
What is the average peak growth for girls? boys? - answer-girls = age 12
boys = age 14
**the earlier you reach your peak, the shorter your growth spurt and the less overall growth
What is endochondral growth? - answer-"within the cartilage"
growth from the inside
increase in length
under more genetic control
What is intramembranous growth? - answer-"within membrane"
growth from the outside
increase in diameter/thickness
influenced more by env. factors
, What type of ossification occurs at fontanelles and sutures as well as internal and external
surfaces ? -
answer-intramembranous ossification
What type of ossification occurs at synchondroses? - answer-endochondral ossification
What type of ossification occurs at sutures posterior and superior to maxilla and also to
remodel
surfaces - answer-intramembranous ossification
What type of ossification creates the embryonic corpus/ramus? - answer-intramembranous
ossification
What type of ossification creates the condylar cartilage? - answer-endochondral ossification
If the growth of the condyle is greatly exceeding the molar eruption what will happen ? -
answer-shorter
face height
and skeletal deep bite
What are highlights of fetal alcohol syndrome? - answer-midface deficiency
increase in cleft lip, smooth philtrum, thin upper lip, small papillary fissures
ethanol = teratogen
CNS problems = difficulty learning, vision, hearing and communication
What are key features of Treacher Collins Syndrome? (mandibulofacial dysostosis) -
answer-
underdeveloped mandible
downslanted palpebral fissures
cleft palate
microtia = small ear
What is Hemifacial microsomia ? - answer-loss of neural crest cells during migration
ear and mandibular ramus are deficient on affected side
