EHMT1 and dentin dysplasia: Poor speech ability was striking among them as the column of language quotient scores was short in Fig. 5.Overall, our findings showed no significant difference between the two groups in Gesell scores, specifically in the areas of gross motor skills, fine motor skills, language development, personal-social development, and adaptive behavior suggesting additional genes or regulatory regions proximal to EHMT1 may not contribute to the severity of DD.