Results 31 to 40 of about 29,206 (304)

Evaluation of Enamel Surface Roughness after Various Finishing Techniques for Debonding of Orthodontic Brackets

Turkish Journal of Orthodontics, 2016
Objective:The aim of this study was to evaluate the surface roughness of enamel after debonding with various types of burs.Methods:The buccal surfaces of 20 mandibular incisors for each group of bur were subjected to profilometer analysis, and three ...
Emire Aybüke Erdur, Mehmet Akın, Leyla Cime, Zehra İleri   +3 more
doaj   +1 more source

Effect of cigarette smoke on the surface roughness of two different denture base materials: An in vitro study

The Journal of Indian Prosthodontic Society, 2019
Aim: This study aimed to evaluate the effect of cigarette smoke on the surface roughness of two commercially available denture base materials. Materials and Methods: A total numbers of 40 specimens were fabricated from two commercially available denture ...
Girendra Singh, Abhinav Agarwal, Manesh Lahori   +2 more
doaj   +1 more source

Investigation of Machining Parameters and Surface Quality of AZ-31 Magnesium Alloy Subjected to Spark Machining

Engineering Proceedings, 2023
Magnesium alloys are commonly used in various industries such as automotive, aerospace, electrical, medical, sports, etc. The material is preferred in the making of engine blocks, transmission cases, and structural parts due to its unique material ...
Shouryha Bhardwaj, Arnav Agarwal, Ishriit Tibdewal, Gururaj Bolar, Vishwanath Managuli   +4 more
doaj   +1 more source

Titanium implant surface roughness after different implantoplasty protocols: A laboratory study

Clinical and Experimental Dental Research, 2022
Objective To compare the surface roughness of sandblasted, large grit, acid‐etched (SLA) surfaced titanium discs, after implantoplasty (IP) with different combinations of rotating instruments without or with the subsequent use of a silicone polisher ...
Hulya Yildiz, Kristina Bertl, Andreas Stavropoulos   +2 more
doaj   +1 more source

Using a 2D Profilometer to Determine Volume and Thickness of Stockpiles and Ground Layers of Roads [PDF]

, 2022
Construction materials and related management, handling, and storage provisions account for a large portion of road construction expenses. For that reason, improved material flow monitoring techniques can achieve significant cost and time savings, as ...
Niskanen, Ilpo, Hallman, Lauri, Kostamovaara, Juha, Hokkanen, Visa, Hashimoto, Takeshi, Immonen, Matti, Mikkonen, Martti, Heikkilä, Rauno   +7 more
core   +1 more source

Comparative evaluation of lithium disilicate ceramic surface and bond strength to dentin surface after treatment with hydrofluoric acid and acidulated phosphate fluoride gel: An In Vitro study

Indian Journal of Dental Research, 2018
Context: Long-term retention of the restoration depends on strength and durability of the bond of the luting composite resin to the tooth and the porcelain substrates.
D M Mallikarjuna, Surendra G B Kumar, Shilpa Shetty, Mallika Shetty, Bharath Raj   +4 more
doaj   +1 more source

The The effect of immersion in beverages and dental bleaching agents on the surface roughness of resin composites

Journal of Health Sciences, 2022
Introduction: Composite materials may be exposed to chemicals in food and beverages in the oral cavity, which can lead to changes in surface roughness.
Samra Korać, Irmina Tahmiščija , Lajla Hasić-Branković , Elmedin Bajrić , Aida Džanković , Alma Konjhodžić , Almira Softić   +6 more
doaj   +1 more source

3D-imaging of boulders using a solid-state 2D profilometer: case study for autonomous robotic rock breaker [PDF]

, 2023
<p>Measurements of a boulder’s fundamental physical properties like volume and shape can offer valuable insights for secondary breaking of boulders by a robotic rock breaker.
Kostamovaara, Juha, Jouni Mattila, Lauri Hallman, Immonen, Matti, Mikkonen, Martti, Heikkilä, Rauno, Niskanen, Ilpo, Mattila, Jouni, Hallman, Lauri, Matti Immonen, Juha Kostamovaara, Lampinen, Santeri, Rauno Heikkilä, Karvinen, Jarno, Santeri Lampinen, Jarno Karvinen, Ilpo Niskanen, Martti Mikkonen   +17 more
core   +1 more source

Profilometry and atomic force microscopy for surface characterization

Nano TransMed, 2023
: Aim: This study aims to evaluate and compare the profilometry and atomic force microscopy (AFM) for characterization of biomaterial surfaces. Method: The clinically commonly used titanium (Ti) was used as the specimen. Each of the specimen was prepared
Li Mei, Guangzhao Guan
doaj   +1 more source

Calibrating a high-speed contact-resonance profilometer [PDF]

Journal of Sensors and Sensor Systems, 2020
A European EMPIR project, which aims to use large-scale, 5 mm × 200 µm × 50 µm (L×W×H), piezoresistive microprobes for contact resonance applications, a well-established measurement mode of atomic force ...
M. Fahrbach, M. Fahrbach, S. Friedrich, B. Cappella, E. Peiner, E. Peiner   +5 more
doaj   +1 more source