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is exposed, the ring structure of the tooth is visible. There is the outer casing of enamel, then the dentine, then the inner ring of enamel that is the edge of the infundibulum, and then the cementum center which is darker. The rings first appear when the horse's tooth has been worn level at about
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and camelids. The infundibula found in ruminants can get quite complex some with two funneling centers, and with multiple folding in the sides of the cup. These folds produce greater amounts of enamel in vertical curtains that substantially increase the durability of the tooth. The cheek teeth of
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In horses and most equines the cross section of the tooth at the grinding (occlusal) surface shows the roughly circular or ovoid infundibulum as the incisor begins to wear. When the horse's incisor has grown in enough to connect with the incisor in the other jaw (lower jaw with upper), then wear
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Cementum: Softer than dentine and enamel due to it being less mineralized. Helps to anchor the tooth by attaching it via the periodontal ligament in the pulp chamber of the tooth.
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age 6 to 8. A secondary darker line often appears between the infundibulum and the front of the tooth in the middle of the dentin there, this is sometimes called a
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elephants express this in a slightly different form with the vertical curtains of enamel coming in from the sides and meeting in the middle.
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24:. The funnel is widest at the top (crown) which is the grinding (occlusal) surface. The infundibulum is also known as the
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begins as the horse grinds its teeth back and forth. As the enamel is worn away and the
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Budras, Klaus-Dieter; Röck, Sabine; Wünsche, Anita; Henschel, Ekkehard (2004).
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of horses and other equids, but they also occur in the premolars and molars of
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184:(4th ed.). Hannover, Germany: Schlütersche. p.
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of a tooth is the funnel-like center that is filled with
28:. Simple tooth infundibula occur most notably in the
98:"Classic Equine Dentistry: Terminology: Dental cup"
153:Equine Clinical Medicine, Surgery and Reproduction
72:"Classic Equine Dentistry: Terminology: Cementum"
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151:Munroe, Graham A.; Weese, J. Scott (2011).
100:. Classic Equine Dentistry. Archived from
74:. Classic Equine Dentistry. Archived from
182:Anatomy of the Horse: An Illustrated Text
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155:. London: Manson Publishing. p.
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214:"Aging Horses by Their Teeth"
216:. Colorado State University.
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129:Hillson, Simon (2005).
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106:. Retrieved
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18:infundibulum
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48:dental star
228:Categories
133:. p.
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82:2012-10-21
26:dental cup
34:ruminants
30:incisors
22:cementum
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43:dentin
131:Teeth
54:Notes
190:ISBN
161:ISBN
16:The
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