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Prog Orthod. 2014 Jan 6;15:3. doi: 10.1186/2196-1042-15-3.

A 5-year longitudinal study of survival rate and periodontal parameter changes at sites of dilacerated maxillary central incisors.

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  • 1Department of Orthodontics, IRCCS Cà Granda - Ospedale Maggiore Policlinico, University of Milan, Via Commenda 10, 20100 Milano, Italy. giampietro.farronato@unimi.it.



Although dental dilaceration disinclusion is an accepted treatment modality, few studies have evaluated the prognosis for dilacerated maxillary incisors and changes in clinical periodontal parameters still need to be demonstrated. The objectives of this study were to evaluate the prognosis and changes in clinical attachment level (CAL), probing depth (PD), and soft tissue recession (REC) for disincluded dilacerated maxillary incisors.


Ten impacted dilacerated teeth were scheduled for disinclusion. Five of them were disincluded with the apically repositioned flap technique and the other five with the closed eruption technique and brought into alignment with light orthodontic forces.


All the dilacerated teeth were disincluded as planned. CAL, PD, and REC were the same as natural teeth. Among the two surgical techniques, no statistically significant differences have been found.


The choice to disinclude dilacerated central maxillary incisors reached the goals planned. Periodontal parameters obtained in a short- and long-term follow-up allow to affirm that the disinclusion of dilacerated teeth has a good survival rate.

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