Er:YAG Laser, Ultrasonic System, and Curette Produce Different Profiles on Dentine Root Surfaces: An in Vitro Study

2008 ◽  
Vol 26 (2) ◽  
pp. 91-97 ◽  
Author(s):  
Adriana C. de Mendonça ◽  
Maria B. Máximo ◽  
José A. Rodrigues ◽  
César A.G. Arrais ◽  
Patrícia M. de Freitas ◽  
...  
Keyword(s):  
Er:Yag Laser ◽  
In Vitro Study ◽  
Vitro Study ◽  
Laser Ultrasonic ◽  
Root Surfaces

Antimicrobial effects of 2.94 μm Er:YAG laser radiation on root surfaces: an in vitro study

2002 ◽  
Vol 29 (1) ◽  
pp. 73-78 ◽  
Author(s):  
Matthias Folwaczny ◽  
Albert Mehl ◽  
Hans Aggstaller ◽  
Reinhard Hickel
Keyword(s):  
Laser Radiation ◽  
Er:Yag Laser ◽  
In Vitro Study ◽  
Vitro Study ◽  
Antimicrobial Effects ◽  
Root Surfaces

Effects of Er:YAG Laser and Ultrasonic Treatment on Fibroblast Attachment to Root Surfaces: An In Vitro Study

2006 ◽  
Vol 77 (7) ◽  
pp. 1217-1222 ◽  
Author(s):  
Roberto Crespi ◽  
George E. Romanos ◽  
Clara Cassinelli ◽  
Enrico Gherlone
Keyword(s):  
Ultrasonic Treatment ◽  
Er:Yag Laser ◽  
In Vitro Study ◽  
Vitro Study ◽  
Fibroblast Attachment ◽  
Root Surfaces

scholarly journals Er:YAG laser-induced damage to a dental composite in simulated clinical scenarios for inadvertent irradiation: an in vitro study

2021 ◽  
Author(s):  
Katharina Kuhn ◽  
Carmen U. Schmid ◽  
Ralph G. Luthardt ◽  
Heike Rudolph ◽  
Rolf Diebolder
Keyword(s):  
Laser Irradiation ◽  
Laser Fluence ◽  
Ablation Threshold ◽  
Er:Yag Laser ◽  
In Vitro Study ◽  
Vitro Study ◽  
Crater Diameter ◽  
Clinical Scenarios ◽  
Laser Induced Damage

AbstractInadvertent Er:YAG laser irradiation occurs in dentistry and may harm restorative materials in teeth. The aim of this in vitro study was to quantify Er:YAG laser-induced damage to a nanohybrid composite in simulated clinical scenarios for inadvertent direct and indirect (reflection) laser irradiation. The simulation was performed by varying the output energy (OE;direct˃indirect) reaching the specimen and the operating distance (OD;direct˂indirect). Composite specimens were irradiated by an Er:YAG laser. The ablation threshold was determined and clinically relevant parameters were applied (n = 6 for each OE/OD combination) for direct (OE: 570 mJ/OD: 10 mm, OE: 190 mJ/OD: 10 mm) and indirect irradiation (OE: 466 mJ/OD: 15 mm, OE: 57 mJ/OD: 15 mm, OE: 155 mJ/OD: 15 mm, OE: 19 mJ/OD: 15 mm). The extent of damage in the form of craters was evaluated using a laser scanning microscope (LSM) and a conventional light microscope (LM). The ablation threshold was determined to be 2.6 J/cm2. The crater diameter showed the highest value (LM: 1075 ± 18 µm/LSM: 1082 ± 17 µm) for indirect irradiation (reflectant:dental mirror) (OE: 466 mJ/OD: 15 mm). The crater depth showed the highest and comparable value for direct (OE: 570 mJ/OD: 10 mm; LSM: 89 ± 2 µm) and indirect irradiation (OE: 466 mJ/OD: 15 mm; LSM: 90 ± 4 µm). For each OD, the crater diameter, depth, and volume increased with higher laser fluence. However, the OD—and thus the laser spot diameter—also had an enlarging effect. Thus, indirect irradiation (reflectant:dental mirror) with only 47% of the laser fluence of direct irradiation led to a larger diameter and a comparable depth. The three-dimensional extent of the crater was large enough to cause roughening, which may lead to plaque accumulation and encourage caries, gingivitis, and periodontitis under clinical conditions. Clinicians should be aware that reflected irradiation can still create such craters.

Bactericidal Effect of the Er:YAG Laser on Dental Implant Surfaces: An In Vitro Study

2002 ◽  
Vol 73 (11) ◽  
pp. 1292-1298 ◽  
Author(s):  
Matthias Kreisler ◽  
Wolfgang Kohnen ◽  
Claudio Marinello ◽  
Hermann Götz ◽  
Heinz Duschner ◽  
...  
Keyword(s):  
Dental Implant ◽  
Er:Yag Laser ◽  
In Vitro Study ◽  
Bactericidal Effect ◽  
Vitro Study

Profilometric Analysis of Periodontally Diseased Root Surfaces After Application of Different Instrumentation Tools: An In Vitro Study

2020 ◽  
Vol 38 (3) ◽  
pp. 181-185
Author(s):  
Hare Gürsoy ◽  
Ogul Leman Tunar ◽  
Gizem Ince Kuka ◽  
Ebru Ozkan Karaca ◽  
Hazel Kocabaş ◽  
...  
Keyword(s):  
In Vitro Study ◽  
Vitro Study ◽  
Diseased Root ◽  
Root Surfaces

Effect of Er:YAG laser irradiation on deciduous enamel roughness and bacterial adhesion: An in vitro study

2019 ◽  
Author(s):  
Bernardo Teutle‐Coyotecatl ◽  
Rosalía Contreras‐Bulnes ◽  
Rogelio José Scougall‐Vilchis ◽  
Argelia Almaguer‐Flores ◽  
Laura Emma Rodríguez‐Vilchis ◽  
...  
Keyword(s):  
Laser Irradiation ◽  
Bacterial Adhesion ◽  
Er:Yag Laser ◽  
In Vitro Study ◽  
Vitro Study ◽  
Enamel Roughness
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