PMC9200174_01
(a) Preoperative intraoral periapical (IOPA) radiograph of tooth 15 shows deep mesioocclusal caries involving pulp. (b) Clinical picture of tooth 15 showing deep proximal caries. (c) Clinical picture of tooth 15 showing access opening (Oval shaped canal).(d) Post obturation intraoral periapical radiograph of tooth 15. (e) Intraoral periapical -Radiograph shows post-space preparation with tooth 15 maintaining apical seal. (f and g) During post -trial, intraoral periapical and clinical picture of tooth 15 shows additional space around fiber post. (h) Clinical picture of tooth 15 shows Ribbond rolled and bonded over fiber post. (i and j) Intraoral periapical and clinical picture of tooth 15 shows the placement of RibbondFiber Post assembly inside the canal and cemented using resin cement. (k) Composite build up done and occlusion is reestablished of tooth 15
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F1
After the access opening, it was noticed that the canal is oval shaped and flared [Figures 1a-c]. Morita Root ZX Mini Apex Locator, Athena Marketing, Vadodara, Gujarat, India) and confirmed radiographically, and then, the canal was irrigated with 5.25% sodium hypochlorite solution (Prime Dental Products, Mumbai, India) and biomechanical preparation was done using rotary universal Protaper till F3 (Dentsply Maillefer, Tulsa Dental Corp, OK) and dried using paper points. (Sure-Endo Dental Products, Mumbai, Maharashtra) Finally, the canal was adequately obturated with F3 universal gutta-percha points (Sure-Endo Dental Products, Mumbai, Maharashtra) [Figure 1d]. No. 3 Peeso-Reamers (Mani, INC. New Delhi DL India) were used for gutta-percha removal from the root canal maintaining 5 mm of apical GP [Figure 1e]. After gutta-percha removal, the fiber-post was checked for proper fit inside the root canal [Figure 1f]. As the canal was oval shaped and flared, additional space was noticed around the fiber-post [Figure 1g]. A one-step adhesive system (Adper Prompt L-Pop, 3M ESPE, India) was applied on the fiber-post and Ribbond was rolled over the fiber-post and light-cured for 10 s [Figure 1h]. Paul, MN) through the post system for 20 s from all the surfaces of the tooth to ensure adequate polymerization of the resin cement [Figure 1i and j]. Occlusion was established and the final procedure of finishing and polishing was performed using the composite contouring and polishing disc [Figure 1k].