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List of Articles
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Open Access Article
1 - The effect of remineralizing agents on artificial caries lesions by laser Fluorescence
Zohreh Maleki MohammadReza Malekipour Leila PishevarBackground: The present study aimed to use a DIAGNOdetnt unit to compare the effects of casein phosphopeptideamorphous calcium phosphate fluoride (CPP-ACPF), 0.05% sodium fluoride (NaF) mouth rinse, and glass ionomer (GI) on enamel remineralization.Materials and Methods MoreBackground: The present study aimed to use a DIAGNOdetnt unit to compare the effects of casein phosphopeptideamorphous calcium phosphate fluoride (CPP-ACPF), 0.05% sodium fluoride (NaF) mouth rinse, and glass ionomer (GI) on enamel remineralization.Materials and Methods: This in vitro study was performed on 50 intact human premolars in five groups: A (artificial saliva), B (CPP-ACPF), C (NAF), D (GI), and E(GI+NAF). All samples were assessed using a DIGNOdetnt unit before and after demineralization. The teeth in each group were treated (except for the control group) then pH cycled repeatedly for 30 days. After this, the remineralization evaluation was evaluated. Data gathered by DIAGNOdetnt were analyzed by One way analysis of variance. The least significant difference (LSD) test was used for multiple comparisons (α=0.05).Results: After the treatment, the mean DIAGNOdetnt values in groups B(3.6), C(4.7), D (5.1), and E(3.5) were significantly lower than that in group A(P<0.0001). LSD test showed that the mean DIAGNOdetnt value in groups B and E was lower than for groups C and D(P<0.001).Conclusion: Although the repeated application of all the experimental materials was efficient, CPP-ACPF and GI+NAF had more prominent remineralization potential in comparison to NAF and GI alone. Manuscript profile -
Open Access Article
2 - Antibacterial Effects of Photodynamic and Diode Laser Therapies as Adjunctive Treatments in Periodontitis
Ehsan Rafiei Shahram Amini Shirin Amini sedeh Mahsa Ahmadi shadmehriBackground: Besides standard periodontal procedures, additional approaches, including medication, laser therapy, and photodynamic therapy are employed to manage excessive inflammation and pathological reactions. The present study aimed to evaluate laser and photodynamic MoreBackground: Besides standard periodontal procedures, additional approaches, including medication, laser therapy, and photodynamic therapy are employed to manage excessive inflammation and pathological reactions. The present study aimed to evaluate laser and photodynamic therapy (PDT) as complementary treatments for periodontitis.Materials and Methods: This clinical trial enrolled 12 patients (30-60 yrs.)With periodontitis stages I and II. Following initial treatment, one quadrant served as the control, one treated with a diode laser, and the other one with Photosan wavelength power with methylene blue dilution. Clinical variables including bleeding on probing (BOP), pocket depth (PD), and clinical attachment level (CAL) were measured and surveyed. Also, samples from gingival crevicular fluid were taken at 2 and 6 weeks for evaluation. The data collected were analyzed using the Friedman test, ANOVA, Kruskal-Wallis, and LSD post-test.Results: The mean bacteria levels in all three treatment groups were significantly reduced (P < 0.001). There were no significant differences in P.g and P.i bacteria (P > 0.05) in all three treatment methods. A.as was notably reduced at 6 weeks (P = 0.037). CAL and PD significantly decreased in all three treatment groups (P < 0.001), with no statistically significant difference between the treatment methods (P > 0.05). The mean BOP significantly decreased in the laser therapy (P < 0.001) and PDT groups (P < 0.002).Conclusion: This study found that diode laser therapy and PDT can effectively reduce periopathogens, particularly A.a, and improve clinical signs in patients with periodontitis stages I and II. Manuscript profile -
Open Access Article
3 - Comparison of Fracture Strength in Endodontically Treated Teeth Restored with Bulk fill, Bulk Fill Flowable and Conventional Composite with or without Using Ribbon Fibers
Amin Seidy Parvin Mirzakouchaki Leila PishevarBackground: The most important change in the mechanical properties of endodontically-treated teeth is the reduction of fracture strength. The aim of the present study was to compare the fracture strength of teeth restored with bulk-fill composite, flowable bulk-fill com MoreBackground: The most important change in the mechanical properties of endodontically-treated teeth is the reduction of fracture strength. The aim of the present study was to compare the fracture strength of teeth restored with bulk-fill composite, flowable bulk-fill composite and conventional composite resin in the presence or absence of fiber.Materials and Methods: In this laboratory study, 120 intact maxillary first premolar teeth were selected and placed in eight groups. The groups were designed with three types of composites (conventional, bulk-fill, flowable bulk-fill) with and without fiber and two negative control groups and positive, Mesio-occlusal-distal (MOD) cavity was prepared in all groups. After the endodontics, the composite of the same group was used in each group to restore the teeth by incremental method. All restorations were polished, mounted and tested by Universal testing machine. Results: The fracture strength in the fiber-reinforced bulk-fill composite group was significantly higher than the fiber-free group. The teeth restored with fiber-free composites had lower fracture strength. The fracture strength was the same in the samples treated with conventional and bulk-fill composite resins, and it was significantly lower in the samples treated with flowable bulk-fill composite than those treated with conventional and bulk-fill composites. There was a significant difference in fracture strength of fiber-reinforced composites.Conclusion: Tooth restoration reduces fracture strength. Fiber addition has no significant effect on increasing the fracture strength of composites. Manuscript profile -
Open Access Article
4 - Evaluating the knowledge of general dentists regarding smile aesthetic indices in Isfahan
Zahra Mahmoudi Asl Nasim Esnaashari Mehrdad Barekatain Atefeh TabibiBackground: With a proper understanding of smile esthetic indices and criteria, dentists can provide patients with the best diagnosis and treatment plan or refer them to relevant specialists. Thus, This study aimed to evaluate the knowledge of general dentists in Isfaha MoreBackground: With a proper understanding of smile esthetic indices and criteria, dentists can provide patients with the best diagnosis and treatment plan or refer them to relevant specialists. Thus, This study aimed to evaluate the knowledge of general dentists in Isfahan regarding smile aesthetic indices and criteria.Materials and methods: In this descriptive cross-sectional study a questionnaire was administered to 105 general dentists in Isfahan City, consisting of questions about demographics, awareness of smile aesthetics indicators, and the impact of training and occupational therapy on their knowledge. The questionnaire included 11 pictures of smiles, each with a single beauty indicator that varied from ideal, with options for desired indicators listed for each photo. The data was analyzed using T-tests and Mann-Whitney statistical tests (α=0.05).Results: The results showed that the level of knowledge about smile esthetic indices among general dentists was varied. Among participants, 56.2% and 1.0% showed the highest and lowest level of knowledge, respectively. Age showed a reverse relation to knowledge (P=0.040, r= -0.201) even though no correlation between gender and beauty retraining courses to knowledge was found (p > 0.05).Conclusion: The level of knowledge of dentists participating in the study of smile esthetic indices was good. Manuscript profile -
Open Access Article
5 - Evaluating the effect of different cryotherapy methods on postoperative pain in one-visit root canal treatment of mandibular molars with symptomatic irreversible pulpitis
Mahnaz sadat Hoseini Parisa Ranjbarian Amin Mortaheb Ebrahim YousefiBackgrounds: Cryotherapy might help in reducing pain after root canal treatment. This study aimed to investigate the effect of different methods of cryotherapy on post-endodontic pain of one-visit root canal treatment in mandibular molar teeth with symptomatic irreversi MoreBackgrounds: Cryotherapy might help in reducing pain after root canal treatment. This study aimed to investigate the effect of different methods of cryotherapy on post-endodontic pain of one-visit root canal treatment in mandibular molar teeth with symptomatic irreversible pulpitis.Materials and Methods: This clinical trial study enrolled 60 patients with symptomatic irreversible pulpitis in a mandibular molar tooth. Before obturating the root canals, teeth were divided into four groups. Group 1: Control (without cryotherapy) Group 2: intracanal cryotherapy with final canal irrigation with 2.5 °C normal saline for 5 minutes, group 3: intraoral cryotherapy with the application of an ice pack 30 minutes inside the mouth and Group 4: extraoral cryotherapy. Patients’ post-endodontic pain was recorded on the first and third days. Data were analyzed by two-way analysis of variance, Tukey, and LSD post hoc test at the error level of 5%.Results: Pain reduction was highest, respectively, in the intracanal, control, and extraoral cryotherapy groups on the first and third days, although not significant (p>0.05). In each group, pain was reduced on the third day after treatment (P<0.05). Pain showed no relation to gender (p>0.05).Conclusion: Despite the limitations, based on the results of this study, the application of cryotherapy has a limited effect in reducing pain after root canal treatment. Time is more effective than cryotherapy in reducing pain. Manuscript profile -
Open Access Article
6 - Comparing the effectiveness of Salvia officinalis herbal mouthwash and chlorhexidine in reducing plaque and inflammation: A clinical trial
Sepehr Sadeghi vahid Esfahanian Motahareh DamavandiBackground: This study aimed to compare the antiplaque and anti-inflammatory effects of Salvia officinalis (S. officinalis) herbal mouthwash and chlorhexidine (CHX).Materials and Methods: This double-blind clinical trial was conducted on 63 patients without advanced per MoreBackground: This study aimed to compare the antiplaque and anti-inflammatory effects of Salvia officinalis (S. officinalis) herbal mouthwash and chlorhexidine (CHX).Materials and Methods: This double-blind clinical trial was conducted on 63 patients without advanced periodontitis and with at least 20 caries-free teeth without extensive restorations. Patients were assigned randomly to 3 groups (n=21) of 0.2% CHX, S. officinalis mouthwash, and saline. The baseline plaque index (PI) was set to zero by scaling and prophylaxis. After recording the Gingival index (GI), patients learned to use the mouthwash (10 cc) for 60 seconds twice daily for 15 days without using toothbrushing or other plaque control methods. PI and GI were then measured again. Data was analyzed using ANOVA, independent t-test, and paired t-test statistical methods at a significance level of P<0.05.Results: Groups showed no significant difference in GI (P>0.05) at baseline. At day 15, the PI of the CHX group was significantly lower than the S. officinalis group (P<0.001). The PI of the CHX and S. officinalis groups was also lower than that of the saline group (P<0.05). GI was not significantly different between CHX and S. officinalis groups (P>0.05). The GI of the CHX group was lower than that of the control group (P<0.05) Further significant differences were not noted (P>0.05).Conclusion: Although inferior to CHX, S. officinalis mouthwash effectively decreased the PI and GI of patients. Manuscript profile -
Open Access Article
7 - Comparison of blood cell factors in patients with pulp calcification
Fatemeh Mehdikhani Nasim Jafari Pozve Seyed Sasan AryanezhadBackgrounds: Pulp stones are ectopic calcifications, which might be related to the calcification of other organs with a similar pathogenesis. Therefore, dental radiographs might function as a rapid screening method for the early detection of systemic conditions. The pre MoreBackgrounds: Pulp stones are ectopic calcifications, which might be related to the calcification of other organs with a similar pathogenesis. Therefore, dental radiographs might function as a rapid screening method for the early detection of systemic conditions. The present study aimed to compare blood cell factors in patients with pulp calcification.Materials and Methods: This descriptive-analytical study enrolled 90 individuals in three groups: significant pulp calcification, partial and without pulp calcification. Blood factors were obtained and evaluated for and between samples of each group. Data were analyzed by chi-square test and one-way ANOVA.Results: Based on the results, the prevalence of pulp calcification was not related to studied blood variables (p>0.05) and gender (p=0.147). But it was related to age (p=0.024).Conclusion: The results represented no significant difference in the Plt, MCHC, MCV, Hct, Hb, RBC, neutrophil, lymphocyte, monocyte, EOS, and BAS levels of the three groups. The studied blood factors are not contributing factors to the occurrence of pulp calcification. Manuscript profile
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