728H
Fig. 12.33 Composite resin and wire
splint for a luxation injury of both upper
permanent central incisors.729H
Fig. 12.34 (a) and (b) Gentle reduction
and splinting of luxated upper right
permanent central incisor.12.7.3 Injuries to the periodontal tissues
Concussion
The impact force causes oedema and haemorrhage in the p.l. and the tooth is tender to
percussion (t.t.p.). There is no rupture of p.l. fibres and the tooth is firm in the socket.
Subluxation
In addition to the above there is rupture of some p.l. fibres and the tooth is mobile in
the socket, although not displaced (730HFig. 12.35). The treatment for both these injuries
is: