Tooth Root -- anatomy & histology : Human tooth crown and root morphology : the Arizona State University dental anthropology system / G. Richard Scott, Joel Irish
2017
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Tooth Root -- injuries : Vertical root fractures in dentistry / Aviad Tamse, Igor Tsesis, Eyal Rosen, editors
The structures surrounding and supporting the tooth. Periodontium includes the gum (GINGIVA), the alveolar bone (ALVEOLAR PROCESS), the DENTAL CEMENTUM, and the PERIODONTAL LIGAMENT
A tooth that is prevented from erupting by a physical barrier, usually other teeth. Impaction may also result from orientation of the tooth in an other than vertical position in the periodontal structures
Toothed whales -- Conservation : Beaked whales : a complete guide to their biology and conservation / Richard Ellis, James G. Mead ; illustrations by Richard Ellis
Toothed whales -- Identification : Beaked whales : a complete guide to their biology and conservation / Richard Ellis, James G. Mead ; illustrations by Richard Ellis