TOOTH STRUCTURE

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Veterinary dental nursing procedures

• TOOTH STRUCTURE

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Whole tooth
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Crown
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Root
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Alveolar bone
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Hard Bone Layer (Lamina Dura)
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Normal Radiograph
Lamina dura

• Alveolar bone

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Enamel
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Dentin(e)
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Cementum
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Periodontal Ligament
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Pulp
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5 exposed surfaces

1. Contact (occlusal)
2. Inner (lingual or palatal)
3. Outer (labial or buccal)
4. Towards midline (mesial)
5. Away from midline (distal)

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Just to be clear

• Tongue-side lingual
• Palate-side palatal
• Cheek-side buccal
• Lip side labial

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Cusps and Cuspids
A Cuspid Tooth (canine)
A Cusp on an incisor tooth
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Where is the apex of a tooth?
The Apex is at the tip of the Root
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Root Apex (Apical) lesion
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Tooth structures
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Tooth structures detail
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Coronal v Apical
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Dental arcade
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Medial
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Lateral
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Mesial
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Mesial

• Refers to the surface between teeth
• Towards midline

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Distal
midline
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Distal

• Refers to the surface between teeth
• Away from midline

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Buccal / Labial
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Buccal / Labial

• Buccal
• On the cheek side
• Labial
• On the lip side

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Palatal / Lingual
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Palatal / Lingual

• Palatal
• On the palate side (upper jaw)
• Lingual
• On the tongue side (lower jaw)

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The End