The Coronal Tooth Fractures: Preliminary Evaluation of a Three-Year Follow-Up of the Anterior Teeth Direct Fragment Reattachment Technique Without Additional Preparation

Lo Giudice G1, Alibrandi A.2, Lipari F3, Lizio A3, Lauritano F3, Cervino G3, Cicciù M3, *
1 Department of Clinical and Experimental Medicine, Messina University, Cannizzaro, Messina, Italy
2 Department. of Economics, Statistics, Mathematics and Sociology, Messina University, Messina,Italy
3 Department of Biomedical and Dental Sciences and Morphofunctional Imaging, Messina University, AOU Policlinico “G. Martino” Messina, Italy

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© 2017 Giudice G. et al.

open-access license: This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 International Public License (CC-BY 4.0), a copy of which is available at: This license permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

* Address correspondence to this author at the Department of Biomedical and Dental Sciences, Morphology and Functional Imaging, Messina University, AOU Policlinico “G. Martino” Via C. Valeria 98100, Messina, Italy; Tel: +390902216920; E-mails:,



The aim of this research is to describe and to analyse the long-term results and the clinical steps of direct fragment reattachment technique with no additional tooth preparation, used to treat crown fracture. This technique achieves the clinical success, combining satisfactory aesthetic and functional results with a minimally invasive approach.


The 3 years follow-up included 9 patients (5 males, 4 females) with coronal fracture. In all the cases the fragment was available and intact. The authors illustrate the adhesive procedure used. Under local anaesthesia and after positioning the rubber dam, both the tooth and the fragment surface were etched, rinsed and applied by the adhesive system in order to obtain the retention of the fractured part to the tooth without additional tooth preparation or resin cement.


The statistical analysis shows the good performances of direct fragment reattachment technique. After 36 months, in 22.2% of the cases, the detachment was observed of the bonded fragment and in 11.1% of patients, complications were recorded.


Our clinical experience shows how the ultra-conservative procedure used is fast, easy and offers a long term predictability; it also allows good functional and aesthetic outcomes.

Keywords: Adhesive technique, Crown fracture, Dental trauma, No preparation, Reattachment, Tooth fragment.