The Flowable Injection Matrix: An Innovation for predictable and sustainable aesthetics with composite

Clinical case by Dr Luca Alibrandi

In the field of aesthetic dentistry, achieving natural, durable and predictable results requires the use of advanced materials, precise instruments and clinical expertise. Thanks to its versatility and the included innovative technology, CLEARFIL MAJESTY™ ES Flow Universal (Kuraray Noritake Dental Inc.) supports clinicians in standardising aesthetic rehabilitation even in complex cases (Figs 1–3).

Fig. 1. Initial situation with multiple diastemas in the maxillary anterior region. The patient does not wish to undergo indirect veneer therapy.

Fig. 2. Patient with a deep bite and atypical swallowing, which has caused flaring, particularly in the maxillary left anterior region. The patient refuses orthodontic treatment.

Fig. 3. Detail of the maxillary anterior region.

CLEARFIL MAJESTY™ ES Flow Universal is a monochromatic flowable composite that simplifies colour management thanks to its guided shade system, supporting aesthetic harmony without the complexity of multiple shades. Available in two levels of viscosity (Low and Super Low), it offers excellent handling for different restorative areas.

The Low version (75 wt%, 59 vol%) has a flexural strength of 151 MPa and a compressive strength of 373 MPa. It is ideally suited for anterior areas and for injection into IVENEER matrices, thanks to its easy handling and long-lasting gloss. Radiopacity (140% Al) provides for visibility on follow-up radiographs.

The Super Low version, with a filler content of 78 wt% (60 vol%) and radiopacity of 150% Al, has a flexural strength of 152 MPa and compressive strength of 374 MPa. Ideal for posterior sectors, it offers durability and resistance even under high functional loads.

The optimised syringe design supports precise dispensing, reducing waste and facilitating application. Both formulations allow easy polishing and long-lasting shine.

Combined use with IVENEER matrices (Fig. 4) makes it possible to precisely shape incisal morphology, creating an ideal contour and a protected environment that improves surface polymerisation (Fig. 5). The result is a stronger, glossier and more durable restoration. Flowable composites facilitate adaptation of shape and correction of natural proportions, contributing to a harmonious outcome.

The composite veneers can subsequently be refined using subtractive or additive techniques (Figs. 6 to 8), adapting to situations such as wide and irregular diastemata, simplifying the workflow and improving the final result.

Fig. 4. IVENEER in position under rubber dam: these innovative matrices, used with conventional isolation, provide a highly effective seal to prevent contamination during the injection phase.

Fig. 5. Polymerisation is always started on the palatal side to allow resin contraction towards the enamel and to increase adhesion of direct restorations.

Fig. 6. The polishing phase is facilitated by the creation of an environment that helps limit the oxygen-inhibited layer via the matrices. In this case, however, subtractive modelling of the elements is required to recreate overall harmony.

Fig. 7. Post-injection situation.

Fig. 8. Surface texturing with longitudinal morphological characterisations to improve coronal proportions.

Fig. 9. Detailed view of the central incisors after polishing.

FINAL CONSIDERATIONS

The combined use of CLEARFIL MAJESTY™ ES Flow Universal and IVENEER matrices represents a significant advancement in aesthetic incisor restoration. The composite’s properties (strength, handling and gloss), together with the preformed matrices, allow natural, high-quality results to be achieved in reduced treatment times. Thanks to the new technique, even patients with financial limitations can access effective treatments and regain their smile (Fig. 9).

Dentist:

LUCA ALIBRANDI

Luca Alibrandi graduated in Dentistry and Dental Prosthetics from Universidad Europea de Madrid in 2014. From 2015 to 2017, he specialised in Periodontology and Implantology with a full-time, two-year Master’s degree at the same university, completing a thesis entitled “Evaluation of Different Peri-Implant Treatments”, while actively attending the practice of Professor Ricardo Fernandez.

A member of SIPRO, AIOP, SIDP, SEPA, SEPES and ITI, since 2014 he has further developed his professional training by attending the practice of Dr Agostino Scipioni and collaborating at the private practice of Professor Dario De Leonardis.

He attended the annual AIOP Advanced Training Course in Analogue and Digital Prosthetics in 2018/19.

He currently works at the Alibrandi Dental Practice as a specialist in periodontology, implantology and prosthodontics.

Since 2023, he has collaborated as a lecturer for the intraoral scanner company 3Shape, producing educational materials and delivering training events in the field of prosthodontics.

• 2026. gada 13. maijs

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