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Grande NM, Butti A, Plotino G, Somma F (2006) Adapting fiber-reinforced composite root canal posts for use in noncircularshaped canals. Pract Proced Aesthet Dent 18, 593-599."},{"key":"13","doi-asserted-by":"crossref","unstructured":"13. Sornkul E, Stannard JG (1992) Strength of roots before and after endodontic treatment and restoration. J Endod 18, 440-443.","DOI":"10.1016\/S0099-2399(06)80845-9"},{"key":"14","unstructured":"14. Meyenberg K (2013) The ideal restoration of endodontically treated teeth \u2013 structural and esthetic considerations: a review of the literature and clinical guidelines for the restorative clinician. Eur J Esthet Dent 8, 238-268."},{"key":"15","unstructured":"15. Manning KE, Yu DC, Yu HC, Kwan EW (1995) Factors to consider for predictable post and core build-ups of endodontically treated teeth. Part I: basic theoretical concepts. J Can Dent Assoc 61, 685-688, 690, 693-695."},{"key":"16","unstructured":"16. 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