title: Incidence of trifurcated mandibular first permanent molars in the population of Guam.
mesh_terms: D005260:Female; D005828:Genetics, Population; D006141:Guam; D006801:Humans; D008297:Male; D008963:Molar / Q000033:anatomy & histology*; D044469:Racial Groups; D012737:Sex Factors; D014092:Tooth Root / Q000033:anatomy & histology*