Avulsion is defined as the complete displacement of
the tooth out of its socket with disruption of the fibers of
periodontal ligament, remaining some of them adhered
to the cementum and the rest to the alveolar bone. This
condition is more frequent in young permanent teeth,
because the root development is still incomplete. Splints
are used to immobilize traumatized teeth that suffered
damage in their structures of support, preventing their
constant movement. The literature has shown that after
replantation, it is necessary to use splints in order to
immobilize the teeth during the initial period, which is
essential for the repair of periodontal ligament; the use
of semi-rigid splint is more indicated than the rigid one,
and long periods of splinting showed that substitutive
resorption or ankylosis is an expected complication. Thus,
the aim of this review is to describe the different types of
splints; their time of permanency, and its influence on the
process of healing and reparation on the occurrence of
substitutive resorption or ankylosis. It is very important to
keep gathering knowledge about this content, since it has
been proved that the approaches and the protocols keep
changing over time.
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