“…(16) Though orientation is often not described in detail, many papers reporting dentoalveolar analyses use one or more of the molars as the most consistent anatomical landmarks to orient mandibles/maxillae, as can be deduced from their figures. (11,13,23,44,45,48,(68)(69)(70)(71)(72)(73)(74)(75) Incisors or whole mandible/maxilla approaches are also sometimes used for orientation. (9,72,76,77) Here, we describe the use of the mandibular first molar (M1) as a guide for orientation.…”