Dental alveolus

Dental alveolus (plural, alveoli) are sockets in the jaws in which the roots of teeth are held in the alveolar process of maxilla with the periodontal ligament. The lay term for dental alveoli is tooth sockets. A joint that connect the roots of the teeth and the alveolus are called gomphosis (plural gomphoses).
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Alveolus /al·ve·o·lus/ pl. alve´oli [L.] a small saclike dilatation; see also acinus. dental alveolus one of the cavities or sockets of the jaw, [more]Dental alveolus - Community and Resources