Root Elongation After Autotransplantation in 58 Transplanted Premolars: The Radiographic Width of the Apex as a Predictor

Kees J.H. van Westerveld, Jop P. Verweij, Marta Fiocco, Gertjan Mensink, J. P.Richard van Merkesteyn

Onderzoeksoutput: Bijdrage aan tijdschriftArtikelpeer review

3 Citaten (Scopus)

Samenvatting

Purpose: Autotransplantation of premolars with incomplete root development is a reliable treatment option for tooth replacement. Nevertheless, little is known about root development after transplantation of teeth. The aim of this study was to evaluate preoperative root development stage and radiographic width of the apex as predictors for root elongation after autotransplantation. Materials and Methods: A retrospective cohort study was implemented and composed of patients who underwent autotransplantation of at least 1 premolar. Using panoramic radiographs (orthopantomograms), calibrated measurements were taken to record the root development stage of the donor tooth, width of the apex, and root length of the transplanted tooth. Results: Forty-five patients (58 transplants) were included. Mean follow-up time was 12 months (range, 4 to 26 months). Fifty-three transplanted teeth (91.4%) showed root elongation. Mean root elongation at end of follow-up was 1.9 mm (range, 0.0 to 4.3 mm). A wide-open apex before transplantation was significantly associated with root elongation after autotransplantation (P <.01). Root development stage (P =.82) did not show significant associations with root elongation. Conclusions: A wide-open apex (>2.0 mm) is an important predictor of root elongation after autotransplantation of premolars. This might be a better predictor for root development than preoperative root development stage.

Originele taal-2Engels
Pagina's (van-tot)1351-1357
Aantal pagina's7
TijdschriftJournal of Oral and Maxillofacial Surgery
Volume77
Nummer van het tijdschrift7
DOI's
StatusGepubliceerd - jul. 2019
Extern gepubliceerdJa

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