Etiopathogenesis: The study of the mechanisms causing diseases, including their origins or causes.
Genetic Theory (Weinmann and Sicher, Scott): The concept that form determines function; anatomical deformities cause dysfunctions that worsen the initial anomaly.
Functional Theory (Moss, Enlow): The idea that function creates form; functional or parafunctional disorders lead to morphological anomalies.
Synthetic Theory (Van Limborgh): A consensus theory recognizing genetic, epigenetic, and environmental factors collectively control craniofacial growth.
1. What is the primary focus of etiopathogenesis as defined in medical sciences?
2. What is the primary purpose of classifying etiologies into primary, secondary, and tertiary causes?
3. What is the primary role of genetic mutations in the context of craniofacial anomalies?
Etiopathogenesis — definition?
Study of disease causes and mechanisms.
Etiology classification — types?
Primary, secondary, tertiary causes.
Primary causes — examples?
Genetic, congenital, pathological, nutritional.
Genetic causes — key genes?
MSX1, TWIST, FGFR1, IRF6, PAX9.
Congenital causes — teratogens?
Alcohol, drugs, tobacco, radiation, hyperthermia.
Pathological causes — examples?
Endocrine disorders, infections like syphilis.
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