Conclusion
A narrow palate often leads to dental concerns like crowded or impacted teeth. It can also lead to speech problems and trouble breathing. Genetics, abnormal mouth development, having a tongue-tie, and aggressive thumb sucking as a child can all play a role in the development of a narrow palate.
References;
[1] https://www.stanfordchildrens.org/en/topic/default?id=anatomy-fetus-in-utero-85-P01189
[2] https://www.kenhub.com/en/library/anatomy/the-facial-muscles
[3] https://www.mayoclinic.org/diseases-conditions/obstructive-sleep-apnea/symptoms-causes/syc-20352090
[4] https://www.nationwidechildrens.org/specialties/ear-nose-throat-ent-services-otolaryngology/find-a-service/lingual-frenotomy
[5] https://radiopaedia.org/articles/pyknodysostosis?lang=us
[6] https://medlineplus.gov/genetics/condition/marfan-syndrome/
[7] https://dentalsleeppractice.com/the-athletes-secret-ingredient-the-power-of-nasal-breathing/