sentences:  One way in which cephalograms can be utilized is for accurate age estimation but not for sex estimation.One study confirmed that the mandibular ramus length is strongly related to chronological age and can be utilized to predict whether an individual is older than 18 years or older with a highly significant degree of accuracy (95% confidence interval).If the ramus length is 7.0 cm or more, then the individual has an 81.25% probability of being 18 years or older.