Relyx unicem cement

Manufactured by 3M

Sourced in United States

RelyX™ Unicem is a self-adhesive universal resin cement designed for the permanent cementation of all types of indirect restorations, including crowns, bridges, inlays, onlays, and posts. It is a dual-cure material that provides reliable adhesion to both tooth structure and a variety of restorative materials.

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Lab products found in correlation

Relyx fiber post, by 3M (1 mentions)

Spelling variants of this product

RelyX Unicem (22 citations) RelyX (11 citations) RelyX U200 Unicem Syringe Dental Resin Cement (2 citations)

3 protocols using relyx unicem cement

Prefabricated Metal vs Fiber Posts for Endodontic Rehabilitation

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For the prefabricated metal post (group 1), the root canal fillings of the teeth were removed after root canal treatment to leave behind a 5 mm plug of apical gutta-percha. Following this, red (1.25 mm), black (1.5 mm), and yellow (1 mm) stainless steel posts (ParaPost® XP™ Stainless Steel Post, Coltene/ Whaledent Inc., Cuyahoga Falls, OH, USA) were cemented in the root canals of anteriors, premolars, and molars respectively, using resin cement (RelyX™ Unicem cement, 3M ESPE, St. Paul, MN, USA). The teeth were then filled with composite resin material (Filtex Z100, 3M ESPE, St. Paul, MN, USA).
For the fiber-reinforced composite post group (group 2), the root canal fillings of the teeth were removed after root canal treatment to leave behind a 5 mm plug of apical gutta-percha. Afterwards, 1.6 mm (molars) and 1.9 mm (anteriors and premolars) fiber posts (RelyX™ Fiber Post, 3M ESPE, St. Paul, MN, USA) were luted with resin cement (RelyX™ Unicem cement). The teeth were then filled with composite resin material (Filtex Z100).
Following placement of the endodontic posts, all teeth were scanned using CBCT as mentioned previously, using 3 protocols.

Yeung A.W., Harper B., Zhang C., Neelakantan P, & Bornstein M.M. (2020). Do different cone beam computed tomography exposure protocols influence subjective image quality prior to and after root canal treatment?. Clinical Oral Investigations, 25(4), 2119-2127.

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Evaluating Luting Resin Cements for Ceramic Inlays

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The 32 teeth were randomly allocated to four groups according to the type of luting resin cement used comprising eight cavities in each group. RC group: inlays luted with RelyX Unicem cement (3M ESPE, St. Paul, MN, USA). RU group: inlays luted with RelyX Ultimate cement (3M ESPE, St. Paul, MN, USA). eC group: inlays luted with eCement (Bisco, Schaumburg, IL, USA). VE group: inlays luted with Variolink Esthetic DC cement (Ivoclar Vivadent, Schaan, Liechtenstein). The ceramic inlays were luted by a single operator following manufacturer’s instructions. Luting systems composition and cementation procedure are shown in Table 1 and Table 2, respectively. Each luted restoration was then polished using polishing rubber cup (KENDA, Kanalstrasse, Liechtenstein).

Ashy L.M, & Marghalani H. (2022). Internal and Marginal Adaptation of Adhesive Resin Cements Used for Luting Inlay Restorations: An In Vitro Micro-CT Study. Materials, 15(17), 6161.

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Zirconia Porcelain Bonding Technique

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A single-sided bonding tape with a square hole in the middle measuring 4 mm × 4 mm was adhered to the center of the adhesive surface of the zirconia porcelain block, while the edges of the square hole were parallel to the edges of the porcelain blocks to restrict the bonding area. In addition, Rely X Unicem Cement (3M ESPE, USA) capsules were activated for 4 s in the activator in strict accordance with the manufacturer’s instructions and then shaken for 10 s on a silver-mercury blender. Equal amounts of Rely X Unicem Cement were squeezed into a limited area of each porcelain block treatment surface. The prepared resin blocks were bonded in place on the surfaces of porcelain blocks. A 750-g weight was placed on the bonded resin block to control the bonding pressure and bonding agent thickness. After 1 min, the spilled bonding agent was removed from the periphery of the resin block. The resin blocks were then subjected to circular lighting by LED light curing lamp for 40 s. There were 66 bonded specimens in total.
All bonded specimens were left to stand at room temperature for 30 min after fabrication, and one bonded specimen per group was randomly selected for bonding interface observation, leaving 10 bonded specimens in each group.

Zhao M., Zheng Y., Zhang J.F., Ou X., Gao X., Zhang B, & Cao Y. (2022). The effect of adhesive surface with porcelain sintering and two silane coupling agents on the adhesive properties of zirconia. Annals of Translational Medicine, 10(2), 87.

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