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2011 1
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Evaluation of the preventive effect of two concentrations of xylitol varnish versus fluoride varnish on enamel demineralization around orthodontic brackets: a randomized controlled trial.
Zarif Najafi H, Shavakhi M, Pakshir HR. Zarif Najafi H, et al. Eur J Orthod. 2022 May 24;44(3):243-251. doi: 10.1093/ejo/cjab049. Eur J Orthod. 2022. PMID: 34379121 Clinical Trial.
However, at T4, only the mean for the 10% xylitol group was significantly different (P=0.049) from the placebo group, with a mean difference of 1.18 (95% CI, 0.42-1.93). Visual assessment showed that after treatment, the prevalence of white spot lesions in the fluoride ( …
However, at T4, only the mean for the 10% xylitol group was significantly different (P=0.049) from the placebo group, with a mean dif …
Er,Cr:YSGG Laser as a Means of Orthodontic Adhesive Removal: Myth or Reality?
Zarif Najafi H, Estedlal T, Saki M, Azmi A, Mohamadian F, Moshkelgosha V. Zarif Najafi H, et al. Photobiomodul Photomed Laser Surg. 2021 Aug;39(8):558-565. doi: 10.1089/photob.2020.4983. Photobiomodul Photomed Laser Surg. 2021. PMID: 34424743

Results: The thermal changes of the bur group were significantly higher than those in the laser group (p = 0.0001). Quantitatively, the surface roughness values of all the study groups were significantly higher than those of the control group (p < 0.05), with no

…
Results: The thermal changes of the bur group were significantly higher than those in the laser group (p = 0.0001). Quantitatively, t …
Effect of different surface treatment methods on the shear bond strength of orthodontic brackets to temporary crowns.
Zarif Najafi H, Moradi M, Torkan S. Zarif Najafi H, et al. Int Orthod. 2019 Mar;17(1):89-95. doi: 10.1016/j.ortho.2019.01.017. Epub 2019 Feb 19. Int Orthod. 2019. PMID: 30796001
RESULTS: In all surface treatments, the mean Shear Bond Strength (SBS) of PMMA was significantly higher than that of polycarbonate (P<0.001). In the polycarbonate groups, there was a significant difference between the mean SBS of the four treatment methods (P< …
RESULTS: In all surface treatments, the mean Shear Bond Strength (SBS) of PMMA was significantly higher than that of polycarbonate (P …
Effect of different surface treatment on the shear bond strength of metal brackets to bleached and desensitized enamel.
Zarif Najafi H, Bagheri R, Pakshir HR, Tavakkoli MA, Torkan S. Zarif Najafi H, et al. Int Orthod. 2019 Mar;17(1):73-79. doi: 10.1016/j.ortho.2019.01.008. Epub 2019 Feb 13. Int Orthod. 2019. PMID: 30770334
RESULTS: No significant difference was found between the mean SBS (MPa) in groups 1(15.22), 4(14.02), and 5(12.62). SBS in group 4 was significantly higher than group 2 (8.15) (P<0.001). Also, SBS in groups 2 (P<0.001) and 3(11.74) (P=0.012) were signif …
RESULTS: No significant difference was found between the mean SBS (MPa) in groups 1(15.22), 4(14.02), and 5(12.62). SBS in group 4 was signi …
Evaluating the effect of clinical usage and autoclave sterilization on the load deflection properties of three different orthodontic wires: Ex-vivo study.
Zarif Najafi H, Gavareshki SR. Zarif Najafi H, et al. Int Orthod. 2019 Sep;17(3):469-477. doi: 10.1016/j.ortho.2019.06.007. Epub 2019 Aug 2. Int Orthod. 2019. PMID: 31383599
RESULTS: In NiTi wire, all conditions led to a significant decrease in deactivation mean load compared with control in most deflections (P=0.000). In Cu-NiTi wire, all conditions led also to a significant decrease in deactivation mean load compared with the control (P …
RESULTS: In NiTi wire, all conditions led to a significant decrease in deactivation mean load compared with control in most deflections ( …
Evaluation of the effect of different surface conditioning methods on shear bond strength of metal brackets bonded to aged composite restorations.
Zarif Najafi H, Mousavi M, Nouri N, Torkan S. Zarif Najafi H, et al. Int Orthod. 2019 Mar;17(1):80-88. doi: 10.1016/j.ortho.2019.01.009. Epub 2019 Feb 11. Int Orthod. 2019. PMID: 30765237
There was no significant difference between the grinding (12.873.38MPa) and laser (11.081.37MPa) groups (P=0.09). The lowest values were recorded in the etching group (6.781.69MPa). There was a significant difference in ARI scores among the four groups (P<0.001). …
There was no significant difference between the grinding (12.873.38MPa) and laser (11.081.37MPa) groups (P=0.09). The lowest values w …
Assessment of the changes in alveolar bone quality after fixed orthodontic therapy: A trabecular structure analysis.
Haghnegahdar A, Zarif Najafi H, Sabet M, Saki M. Haghnegahdar A, et al. Among authors: zarif najafi h. J Dent Res Dent Clin Dent Prospects. 2016 Fall;10(4):201-206. doi: 10.15171/joddd.2016.032. Epub 2016 Dec 21. J Dent Res Dent Clin Dent Prospects. 2016. PMID: 28096944 Free PMC article.
Mean score A was significantly higher than mean score B in children (P = 0.001). In contrast, mean score A was significantly lower than mean score B in young adults (P = 0.003). ...
Mean score A was significantly higher than mean score B in children (P = 0.001). In contrast, mean score A was significantly lower th …
Study skills and habits in Shiraz dental students; strengths and weaknesses.
Zarshenas L, Danaei SM, Mazarei E, Zarif Najafi H, Shakour M. Zarshenas L, et al. Among authors: zarif najafi h. J Educ Health Promot. 2014 May 5;3:44. doi: 10.4103/2277-9531.131931. eCollection 2014. J Educ Health Promot. 2014. PMID: 25013837 Free PMC article.
RESULTS: Students who have previously participated in the study skills workshops had stronger skills in comparison with the students who had not participated in these workshops. Time management skills (P = 0.04), motivation (P = 0.0001) and information processing ( …
RESULTS: Students who have previously participated in the study skills workshops had stronger skills in comparison with the students who had …
Evaluation of the effect of four surface conditioning methods on the shear bond strength of metal bracket to porcelain surface.
Zarif Najafi H, Oshagh M, Torkan S, Yousefipour B, Salehi R. Zarif Najafi H, et al. Photomed Laser Surg. 2014 Dec;32(12):694-9. doi: 10.1089/pho.2014.3782. Photomed Laser Surg. 2014. PMID: 25455957 Free PMC article.
RESULTS: ANOVA revealed significant differences in SBS among the four groups (p<0.001). Group 1 demonstrated significantly higher bond strength (13.132.47) when compared with the other groups. Group 2 showed higher bond strength (9.601.91) when compared with group 4 (6. …
RESULTS: ANOVA revealed significant differences in SBS among the four groups (p<0.001). Group 1 demonstrated significantly higher …
Comparison of the shear bond strength of orthodontic brackets in bonding and rebonding: preparation with laser versus conventional acid etch technique.
Oshagh M, Pakshir HR, Najafi HZ, Naseri MM, Nasrabadi NI, Torkan S. Oshagh M, et al. Among authors: najafi hz. Photomed Laser Surg. 2013 Aug;31(8):360-4. doi: 10.1089/pho.2013.3477. Epub 2013 Jul 18. Photomed Laser Surg. 2013. PMID: 23865860
RESULTS: The mean shear bond strength was significantly lower in group A and higher in group B compared with all other groups (p < 0.05). Most of the bond failures were degree 0 and 1 in groups A, A1, and B1, and degree 2 and 3 in groups B, A2, and B2. ...
RESULTS: The mean shear bond strength was significantly lower in group A and higher in group B compared with all other groups (p < …
12 results