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   2015| January-June  | Volume 9 | Issue 1  
    Online since May 22, 2015

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Oral mucocele: A neoteric approach in children using CO 2 laser
Yusuf Chunawalla, Abdul Morawala, Rohan Talathi, Ajitha Nandam
January-June 2015, 9(1):44-47
Mucocele is a common lesion of the oral mucosa that results from an alteration of minor salivary glands due to a mucus accumulation. Mucocele involves mucin accumulation causing limited swelling. Two histological types exist-extravasation and retention. Mucoceles can appear at any site of the oral mucosa where minor salivary glands are present. Mostly seen on lower lip, followed by floor of the mouth and buccal mucosa being the next frequent site. This paper presents a case report of mucocele using CO 2 laser.
  10,416 497 -
Effects of laser-aided circumferential supracrestal fiberotomy on relapse of orthodontically treated teeth: A pilot study
Shami Ajit Gokhale, Girish Byakod, Gaurav Gupta, Sangeeta Muglikar, Sharadha Gupta
January-June 2015, 9(1):16-22
A significant cause of relapse of orthodontically treated teeth is thought to be the gingival and transseptal fibers of the periodontium, which are stretched and twisted as the tooth is rotated. To relieve the rotated tooth from forces exerted by the stretched fibers, circumferential supracrestal fiberotomy (CSF) was introduced. In simple CSF using a scalpel blade, intergingival, transgingival, transseptal, and semicircular fibers are transected. CSF helps the tissue remodelling and decreases relapse of orthodontically treated teeth. Laser offers numerous advantages compared with surgery. Laser CSF is expected to prevent relapse of orthodontically treated teeth. This study was conducted to evaluate the effectiveness and periodontal side effects of laser CSF on orthodontically rotated tooth. The aims were to compare the: amount of relapse and sulcus depth.The study involves 10 patients between age group of 14- 30 years. Patients with extraction site closure were included with the teeth adjacent to the extracted tooth involved in the study. A split mouth design was made with the maxillary right side as control whereas laser CSF was performed only on the maxillary left side. Laser diode of 980nm wavelength will be used. Evaluation after CSF was done after 4 weeks.
  9,125 674 3
Effect of laser and fluoride application for prevention of dental caries: A polarized microscope analysis
Akanksha Malik, Girish Parmar, Parul Bansal, Amit Bhattacharya, Niyanta Joshi
January-June 2015, 9(1):11-15
Aim: Aim of the study was to evaluate the effect of CO 2 pulse laser on acid resistance when irradiated alone or prior to fluoride treatment. Materials and Methods: Totally, 80 extracted premolars were prepared and randomly assigned to four groups (n = 20 for each group): (i) Untreated (control), (ii) fluoride treated, (iii) CO 2 laser treated, (iv) CO 2 laser + fluoride treated. Specimens were exposed to pH cycling, and acid resistance was evaluated by determining the initial surface demineralization of enamel assessed under polarized light microscope. Results: Significant differences were found between the control group and fluoride, laser or laser + fluoride groups (P < 0.05). There was significant difference between laser group and control (P = 0.01) or fluoride group (P = 0.05). There was no significant difference between laser and laser + fluoride group. Conclusion: All applied treatments were capable of reducing caries like lesion progression in dental enamel when compared with the control group. From the parameters measured, the rank order of anti-cariogenic potential of the treatment was, CO 2 laser combined with fluoride varnish, CO 2 laser alone and fluoride varnish alone.
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Clinical efficacy of low-level laser therapy as an adjunct to nonsurgical treatment of chronic periodontitis
Uma Sudhakar, Satyanarayana , Sivasankari Thilagar, Snophia Suresh
January-June 2015, 9(1):31-37
Aims and Objective : In recent years, there has been a growing interest in the use of dental lasers for the treatment of periodontal diseases. The purpose of this randomized, split-mouth clinical trial was to evaluate the clinical efficacy of low-level laser therapy (LLLT) as an adjunct to conventional scaling and root planning (SRP). Materials and Methods: A total of 10 patients with untreated chronic periodontitis were randomly assigned in a split-mouth design to receive SRP with or without adjunctive LLLT. Clinical parameters including plaque index, gingival index, probing pocket depth were recorded at baseline, 1 st month and 3 rd month after the treatment. Gingival crevicular fluid (GCF) was collected for the assay of interleukin-1b (IL-1b) levels at baseline, 1 st week and 1 st month. Results: Both laser and control sides showed a significant reduction in IL-1b levels in GCF at 1 st week and 1 st month (P < 0.001). On comparing, laser sides showed a significant reduction in IL-1b levels at 1 st week (P = 0.041). No significant difference in IL-1b levels were found between laser and control sides at 3 rd month (P = 0.450). All the clinical parameters showed a significant difference (P < 0.05) at 1 st and 3 rd month after the treatment between laser and control sides. Conclusion: The present study suggests that LLLT could be a beneficial adjunct to nonsurgical treatment of chronic periodontitis on a short-term basis.
  5,338 678 2
An in vivo study on comparison of disinfection of root canal with chemical disinfectants and disinfectant-diode laser-photodynamic treatment combined system
Asok Mathew, Marjan Lajevardi, Haitham A Abdullah Al Juboori, Nader Ahmed Hassan Abu Mukhaimer, Ahmed A.M. Al-Radaideh, Shibu Thomas
January-June 2015, 9(1):2-10
Background: Use of laser in dentistry is an approved modality of treatment in various specialties including endodontics. We aim to compare the disinfecting potential of the chemical method with laser alone and combination of laser photodynamic therapy with chemical method after rotary method of bio mechanical preparation. Materials and Methods: 38 patients were selected from the university clinics of Ajman University of science and technology Al Fujairah campus and divided them in to 3 groups who were clinically or /and radio graphically diagnosed cases of peri-apical disease. Percentage of bacterial growth reduction was assessed in both nonselective media like blood agar and in a selective media like mitis salivarius. In both media, percentage of bacterial reduction was analyzed with the ANOVA table. Results: The P-value (0.000) for Samples indicates that there is sufficient evidence that not all the means of samples are equal when a = 0.05 and in order to explore the differences among the means of the samples, it was found that the multiple comparison results were having similar means with regard to group A and group B. Moreover, it was noted that the mean of group C differs from the means of group A and B. Conclusions: In both of the microbiological study by Blood Agar and Mitis Salivarius media, it showed that application of either Diode laser or NaOCl alone will not bring considerable reduction in the bacterial colony. It was observed that the synergic effect of Diode laser combined with NaOCl was found to be very effective.
  5,051 561 2
Effect of low-level laser therapy on gene expression of vascular endothelial growth factor and interleukin-1 ß in scalpel-induced and laser-induced oral wounds in rats
Inas S.M. Sayed, Ali Saafan, Fagr Kh Abdel-Gawad, Tarek A Harhash, Mostapha A Abdel-Rahman
January-June 2015, 9(1):23-30
Introduction: The effect of low-level laser therapy (LLLT) on wound healing has been evaluated in several studies; however, little is known about the molecular mechanisms that underlies the biostimulatory effect of this treatment modality. Aim: to evaluate the effect of LLLT on gene expression of vascular endothelial growth factor (VEGF) and interleukin-1beta (IL-1 b) during healing of wounds created by surgical blade and by surgical laser in order to have a better image of their interactive role influenced by the laser irradiation. Materials and Methods: 40 male Wister rats were randomly assigned into four groups (A, B, C and D). In groups A and C, an incision was made in the gingival and mucosal tissues using a surgical scalpel. A similar incision was made in groups B and D using 980 nm diode laser. Group A and B were subjected twice to low level 870 nm diode laser 3 h and 24 h after the incision while group C and D served as controls. 30 min after the second irradiation, the rats belonging to all groups were euthanized, and the wound area was excised. Quantitative reverse-transcriptasepolymerase chain reaction was used to measure the gene expression of VEGF and IL-1b. Results and Discussion: LLLT caused an increase in VEGF gene expression in scalpel-induced wounds and a corresponding decrease in laser-induced wounds but without significant differences. LLLT inhibited the gene expression of IL-1b in both types of wounds, but this inhibition was only significant in scalpel wounds. Conclusion: Biostimulatory effect of LLLT could be mediated through modulation of the immune response by the inhibition of IL-1b.
  4,632 424 2
Comparing the impact of using erbium yttrium aluminum Garnett laser or conventional scalpels and burs for the surgical removal of partially erupted mandibular third molars on pain, swelling, trismus, and anxiety
Erol Kucukkeles, Bahar Gursoy
January-June 2015, 9(1):38-43
Aim: Standard method of extraction of partially impacted lower third molars is with a scalpel, and a drill. The aim of this study is to use Er:YAG laser for partially impacted lower third molar removal, and compare anxiety, pain, swelling, and trismus observed after the procedure, with the standard method. Materials and Method: The study was performed on 40 patients who applied to our clinic for the extraction of their partially impacted lower third molars. None of the patients included in the study had any systemic illnesses, and had an age range of 18-40. The patients were divided into 2 groups of 20, and the first group had their procedures done with the Er:YAG laser whereas the second group had their procedures done with scalpels and burs. All the patients filled out the STAI survey preoperatively. In addition, measurements of distances between reference points on the face, and maximum mouth opening were recorded from all patients preoperatively. The patients filled out visual analogue scales every 2 hours for the first 12 hours and then at the 24th hour. All the measurements were repeated when the patients came for suture removal, and then these values were compared with the preoperative values. Results: Laser group had less swelling and trismus compared with the control group, and the difference was statistically significant. Pain values of the laser group were lower when compared with the control group, the difference was not statistically significant. There was no statistical difference of the anxiety levels.
  3,610 323 -
Editor's Message
Naresh Thukral
January-June 2015, 9(1):1-1
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