Express std

Manufactured by 3M

Sourced in United States

Express STD is a portable and compact laboratory equipment designed for conducting rapid diagnostic tests. It provides a reliable and efficient platform for the detection and analysis of various sexually transmitted diseases. The core function of Express STD is to facilitate the accurate and timely identification of specific pathogens, enabling healthcare professionals to make informed decisions and provide appropriate treatment.

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Lab products found in correlation

Elipar s10, by 3M (2 mentions)

5 protocols using express std

In Vitro Evaluation of Dental Crown Preparations

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The Research Ethics Committee of the College of Dentistry, University of Baghdad approved this in vitro study (No. 510522/510).
This study utilized 30 intact human maxillary first premolars extracted from orthodontic patients aged 18–22 years (Jlekh and Abdul-Ameer, 2018 ). The teeth were caries and filling-free, with no plaque, calculus, or periodontal ligament remnants. Samples were stored in 0.1% thymol solution for 1 week, followed by sterile water for 1 day at 37 °C.
The roots were mounted in a custom-made square silicone mold (Express STD, 3 M ESPE, St. Paul, USA) up to 2 mm from the cementoenamel junction (CEJ4) and fixed in a freshly mixed cold-cure acrylic (Premacryl Plus, Spofadental, Jicin, Czech Republic).
The 30 teeth were randomly divided into the following three groups of different preparation designs (n = 10 each): HCD group with hollow chamfer finish line, BJD group with butt-joint finish line, and COD group with conventional occlusal box and cusp reduction.

Athab Hasan S, & Mohammed-Hussain Abdul-Ameer Z. (2023). Effect of three different preparation designs on the marginal adaptation of indirect overlay restoration fabricated from lithium disilicate ceramic material: An in-vitro comparative study. The Saudi Dental Journal, 35(4), 372-377.

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Gingival Changes Assessment Protocol

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Impressions of mandibular anterior region were made to record the sequence of gingival changes at baseline, using customized acrylic trays and vinyl polysiloxane (3M ESPE, Express STD, Putty Consistency, 3M Dental Products, St. Paul, MN, USA) (rubber base) impression material. Stone models were poured using dental stone (Labstone, Dentsply, New Delhi, India). The procedure was repeated at 2 weeks interval till the end of 8^th week. Gingival dimensions were measured on the cast using Boley's gauge.

Ratre M.S, & Mehta D.S. (2016). Effect of azithromycin on gingival overgrowth induced by cyclosporine A + nifedipine combination therapy: A morphometric analysis in rats. Journal of Indian Society of Periodontology, 20(4), 396-401.

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Thermocycling Impacts on Dental Materials

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Totally, 10 cylindrical (4.0 mm diameter × 6 mm height) specimens were fabricated from each material (five groups) according to manufacturer's specifications. The materials were inserted and packed in a customized cylindrical polyvinylsiloxane (PVS) material (Putty, Express™ STD; 3M ESPE, USA) whose ends were blocked with two glass slides. The material was light-cured using Elipar™ S10 (3M ESPE, USA) for 20 seconds through each end of the cylinder. The specimens were removed from the mold and the excess material was trimmed using a 600 grit silica-carbide (SiC) paper. Specimens were stored in a lightproof container with distilled water, and later were stored in the incubator (Memmert Edestahl, Rostfrei, West Germany) at 37°C and 100% relative humidity for 24 hours. Five specimens in each material group were thermocycled (Thermocycler SD Mechatronik, GmbH Dental Research Equipment, Germany) for 5,000 cycles at 5°C and 55°C (dwelling time: cold bath, 30 seconds; hot bath, 30 seconds) and the other half of samples did not

Alrahlah A. (2018). Diametral Tensile Strength, Flexural Strength, and Surface Microhardness of Bioactive Bulk Fill Restorative. The journal of contemporary dental practice, 19(1).

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Three-Point Bending Strength Evaluation

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For the three-point FS test, 10 rectangular-shaped (2 mm height × 2 mm width × 25 mm length) specimens were fabricated from each material (five groups) using a customized PVS putty mold (Express STD; 3M ESPE, USA). The restorative materials were packed inside the mold positioned on a glass slab. Photo-polymerization using Elipar S10 (3M ESPE, USA) was performed for 20 seconds through the glass slab positioned on the mold at upper and lower surfaces. All specimens were removed from the mold and polished using a 600 grit SiC paper. The specimens were subsequently kept in a lightproof container with distilled water and stored in the incubator (Memmert Edestahl, Rostfrei, West Germany) at 37°C and 100% relative humidity for 24 hours. Five specimens in each group were subjected to thermocycling (for 5,000 cycles at 5°C and 55°C, dwelling time 30 seconds). A three-point bending test using Universal Testing Machine (Instron 5965, Norwood, MA, USA) at a cross-head speed of 0.5 mm/min was performed on all specimens until fracture (Fig. 2).

Alrahlah A. (2018). Diametral Tensile Strength, Flexural Strength, and Surface Microhardness of Bioactive Bulk Fill Restorative. The journal of contemporary dental practice, 19(1).

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Impressions of Intraoral Cleft Defects

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An impression of the intraoral cleft defect was made using vinyl polysiloxane impression material (3M ESPE, Express STD, USA). The maxillary impression was taken in a clinical setting that was prepared to handle airway emergencies if encountered. The impression was obtained with the infant fully awake and with no premedications or anesthesia. The impression adequately covered the anatomy of the upper gum pads and palatal shelves and included the vestibular folds. The impression was poured with dental stone to obtain accurate casts.

Hanno K.I., Shimy A.A., Saad M., Habib A., & El-Fahham I. (2020). EFFECT OF CAD/CAM NASOALVEOLAR MOLDING APPLIANCE ON CORRECTION OF THE NASAL DEFORMITY IN COMPLETE BILATERAL CLEFT LIP AND PALATE. Alexandria Dental Journal, 0(0), 0-0.

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