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Artifacts of Titanium, Zirconium, and Binary Titanium-Zirconium Abutments in Compute ...
Conclusion: In MRI, image artifa cts are the least around Zirconium abutments, while in CT and CBCT, titanium abutments produced the least amount of artifacts. (Source: Journal of Dental Materials and Techniques)
Source: Journal of Dental Materials and Techniques - December 31, 2019 Category: Dentistry Source Type: research

Effects of root canal irrigants and medicaments on dentin and vice versa: a review of Literature
Microorganisms are very important in the initiation of pulpo-periapical pathosis. Due to the complexity of the root canal system, the mechanical instrumentation of the root canal system should be supplemented with proper canal irrigants and medicaments. It has been revealed that due to the interactions of canal irrigants and medicaments with dentin and contents of the canal system, the antimicrobial effect of canal irrigants and medicaments in canal (ex vivo) are different from that in vitro. Furthermore, root canal irrigants may decrease the fracture resistance of dentin. The purpose of this paper was to review the data o...
Source: Journal of Dental Materials and Techniques - December 31, 2019 Category: Dentistry Source Type: research

Corrosion of Ni-Ti Rotary Instruments: A Review
The nickel-titanium (Ni-Ti) alloys used in endodontics contain 56% Ni and 44% Ti. The 2 unique features related to clinical dentistry (i.e., shape memory effect and superelasticity) are due to the transition from austenite to martensite in Ni-Ti alloy. When a superelastic Ni-Ti alloy undergoes a low tensile loading, normal elastic behavior occurs. In fact, at higher tensile loads, the elastic stress may reach a level at which there is extended horizontal region of elastic strain. The shape-memory property of Ni-Ti is derived from an atomic arrangement different from that of alloys like stainless steel. The purpose of this ...
Source: Journal of Dental Materials and Techniques - November 3, 2019 Category: Dentistry Source Type: research

Evaluation of the Effect of an Experimental Herbal versus Fluoridated Mouthwash on Frictional ...
Conclusion: The 90-minute immersion in herbal mouthwash did not exert any significant effect on frictional resistance or surface roughness among orthodontic brackets and archwires made of stainless steel and nickel titanium. Based on the results, herbal mouthwash may be prescribed as a non-destructive prophylactic agent on materials evaluated in the present study for the orthodontic patient. (Source: Journal of Dental Materials and Techniques)
Source: Journal of Dental Materials and Techniques - November 3, 2019 Category: Dentistry Source Type: research

Bone-Borne Maxillary Expansion and Traditional Rapid Maxillary Expansion: A Systematic Review ...
Conclusion: The BBE appliances do not have any advantages over tooth-borne devices with regard to the amount of skeletal or dental expansion; however, it seems to produce less tippin g in posterior teeth. (Source: Journal of Dental Materials and Techniques)
Source: Journal of Dental Materials and Techniques - October 29, 2019 Category: Dentistry Source Type: research

Evaluation of the Effect of Household Cleansers on the Color Change of Two Types of Permanent ...
Conclusion: The mean color change in Mucopren in all cleansers was higher than Molloplast-B, and the highest change in color was observed in both liners in hypochlorite. (Source: Journal of Dental Materials and Techniques)
Source: Journal of Dental Materials and Techniques - October 29, 2019 Category: Dentistry Source Type: research

The Role of Root Canal Preparation on Apical Geometry: A Review of the Literature
The amounts of apical enlargement have been a controversial issue for a long time. The enlargement of the apical part of the canal may severely impact the endodontic prognosis. Enlargement of the apical portion to a larger size may negatively affect the ability to control the filling material during root canal obturation. In addition, an open-apex increases the risk for overfilling which has been shown to be related with decreased success rate. The retreatment of a tooth with apically enlarged canal may be even impossible. Further preparation of an apically enlarged canal may increase the risk of iatrogenic errors and also...
Source: Journal of Dental Materials and Techniques - October 25, 2019 Category: Dentistry Source Type: research

Stress Distribution in Four Restorative Methods in Endodontically Treated Maxillary Premolar: A ...
Conclusion: The simulation results show that in all models, oblique forces caused more stress than vertical forces. Moreover, there was a slight difference between different types of restorations regarding the magnitude of stress; however, the results obtained from this study showed that woven fiber could partly reduce stresses. (Source: Journal of Dental Materials and Techniques)
Source: Journal of Dental Materials and Techniques - October 12, 2019 Category: Dentistry Source Type: research

General Anxiety and Dental Fear: Is There A Relationship?
Conclusion: According to the results of this research, there is a significant correlation between dental anxiety and general anxiety and also between dental anxiety and gender. (Source: Journal of Dental Materials and Techniques)
Source: Journal of Dental Materials and Techniques - October 6, 2019 Category: Dentistry Source Type: research

Corrosion of Ni-Ti Rotary Instruments: A Review
The nickel-titanium (Ni-Ti) alloys used in endodontics contain 56% Ni and 44% Ti. The 2 unique features related to clinical dentistry (i.e., shape memory effect and superelasticity) are due to the transition from austenite to martensite in Ni-Ti alloy. When a superelastic Ni-Ti alloy undergoes a low tensile loading, normal elastic behavior occurs. In fact, at higher tensile loads, the elastic stress may reach a level at which there is extended horizontal region of elastic strain. The shape-memory property of Ni-Ti is derived from an atomic arrangement different from that of alloys like stainless steel. The purpose of this ...
Source: Journal of Dental Materials and Techniques - September 30, 2019 Category: Dentistry Source Type: research

Evaluation of the Effect of an Experimental Herbal versus Fluoridated Mouthwash on Frictional ...
Conclusion: The 90-minute immersion in herbal mouthwash did not exert any significant effect on frictional resistance or surface roughness among orthodontic brackets and archwires made of stainless steel and nickel titanium. Based on the results, herbal mouthwash may be prescribed as a non-destructive prophylactic agent on materials evaluated in the present study for the orthodontic patient. (Source: Journal of Dental Materials and Techniques)
Source: Journal of Dental Materials and Techniques - September 30, 2019 Category: Dentistry Source Type: research

Evaluation of the Effect of Household Cleansers on the Color Change of Two Types of Permanent ...
Conclusion: The mean color change in Mucopren in all cleansers was higher than Molloplast-B, and the highest change in color was observed in both liners in hypochlorite. (Source: Journal of Dental Materials and Techniques)
Source: Journal of Dental Materials and Techniques - September 30, 2019 Category: Dentistry Source Type: research

General Anxiety and Dental Fear: Is There A Relationship?
Conclusion: According to the results of this research, there is a significant correlation between dental anxiety and general anxiety and also between dental anxiety and gender. (Source: Journal of Dental Materials and Techniques)
Source: Journal of Dental Materials and Techniques - September 30, 2019 Category: Dentistry Source Type: research

Stress Distribution in Four Restorative Methods in Endodontically Treated Maxillary Premolar: A ...
Conclusion: The simulation results show that in all models, oblique forces caused more stress than vertical forces. Moreover, there was a slight difference between different types of restorations regarding the magnitude of stress; however, the results obtained from this study showed that woven fiber could partly reduce stresses. (Source: Journal of Dental Materials and Techniques)
Source: Journal of Dental Materials and Techniques - September 30, 2019 Category: Dentistry Source Type: research

Comparing a Combination of Saline and Chlorhexidine with Saline as Root Canal Irrigation ...
Conclusion: Theone-year follow-up showed that there is no diffference between CHX and NSS as irrigation solutions for cleaning the root canals of primary teeth with irreversible pulpitis. (Source: Journal of Dental Materials and Techniques)
Source: Journal of Dental Materials and Techniques - September 30, 2019 Category: Dentistry Source Type: research