Oral & Maxillofacial Atlas

Oral & Maxillofacial Atlas is a head-and-neck 3D anatomy explorer built on BodyParts3D geometry. Students can rotate and zoom the assembly, reveal or hide 14 anatomical layers, search and isolate 643 named source structures, separate the whole model into a parts inventory, open a tooth onto a sectioned 3D cutaway, and work through the stages of tooth development. It is a dental-education reference, not a diagnostic or treatment-planning tool.

• Reveal and hide 14 layers of the head and neck, including 47 facial and masticatory muscles registered from the BodyParts3D 3.0 archive.
• Show 77 schematic structures the source dataset does not contain — the trigeminal and facial nerves, the external carotid tree, the parotid gland and duct, the maxillary sinus and the temporomandibular disc — or switch the whole set off.
• Search a structure by name or FDI number, isolate it, and separate the assembly into an ordered parts inventory.
• Zoom into a tooth to open its 3D cutaway, move the section plane, and toggle enamel, dentin, pulp and root canals, cementum, ligament, alveolar bone and gingiva.
• Follow the seven stages of odontogenesis, the eruption chronology for both dentitions, and the anomalies that arise at each stage.

1. 1Name the bones, muscles, nerves, vessels and glands of the head and neck and locate them relative to one another in three dimensions.
2. 2Relate the external form of a tooth to its internal anatomy, its root canal arrangement and its supporting periodontium.
3. 3Sequence the stages of tooth development and connect each stage to the tissues it forms and the anomalies that arise from it.
4. 4Distinguish a structure segmented from a scan from one drawn schematically, and say what each kind of model can and cannot show.

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