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   2015| November-December  | Volume 5 | Issue 6  
    Online since November 26, 2015

 
 
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REVIEW ARTICLE
Artifacts: The downturn of CBCT image
Anil Kumar Nagarajappa, Neha Dwivedi, Rana Tiwari
November-December 2015, 5(6):440-445
DOI:10.4103/2231-0762.170523  PMID:26759795
Cone-beam computed tomography (CBCT) has been accepted as a useful tool for diagnosis and treatment planning in dentistry. Despite a growing trend of CBCT in dentistry, it has some disadvantages like artifacts. Artifacts are discrepancies between the reconstructed visual image and the actual content of the subject which degrade the quality of CBCT images, making them diagnostically unusable. Additionally, structures that do not exist in the subject may appear within images. Such structures can occur because of patient motion, the image capture and reconstruction process. To optimize image quality, it is necessary to understand the types of artifacts. This article aims to throw light on the various types of artifacts associated with CBCT images.
  3,369 215 13
SYSTEMATIC REVIEW ARTICLE
Critical evaluation of incidence and prevalence of white spot lesions during fixed orthodontic appliance treatment: A meta-analysis
Dhinahar Sundararaj, Sudhakar Venkatachalapathy, Akshay Tandon, Aaron Pereira
November-December 2015, 5(6):433-439
DOI:10.4103/2231-0762.167719  PMID:26759794
Objective: Development of dental caries, specifically, white spot lesions (WSLs), continues to be a well-recognized and troubling side effect of orthodontic fixed appliance therapy, despite vast improvement in preventive dental techniques and procedures. The aim of this meta-analysis is to evaluate, determine, and summarize the incidence and prevalence rates of WSLs during orthodontic treatment that have been published in the literature. Materials and Methods: According to predetermined criteria, databases were searched for appropriate studies. References of the selected articles and relevant reviews were searched for any missed publications.Results: In the 14 studies evaluated for WSLs, the incidence of new carious lesions formed during orthodontic treatment in patients was 45.8% and the prevalence of lesions in patients undergoing orthodontic treatment was 68.4%.Conclusion: The incidence and prevalence rates of WSLs in patients undergoing orthodontic treatment are quite high and significant. This widespread problem of WSL development is an alarming challenge and warrants significant attention from both patients and providers, which should result in greatly increased emphasis on effective caries prevention.
  2,766 297 25
ORIGINAL ARTICLES
Prevalence of denture-related oral lesions among patients attending College of Dentistry, University of Dammam: A clinico-pathological study
Suhayla Mubarak, Ali Hmud, Suresh Chandrasekharan, Aiman A Ali
November-December 2015, 5(6):506-512
DOI:10.4103/2231-0762.170525  PMID:26759806
Background: Heterogeneous groups of oral lesions are likely to develop among denture wearers. The objectives of this study were to determine the exact prevalence of oral lesions among denture wearers attending the clinics of the College of Dentistry, University of Dammam. Materials and Methods: All denture wearers attending the dental clinics in the period between January 2012 and April 2013 were included in this study. Of the total 210 patients, 166 (79%) were males and 44 (21%) were females. Comprehensive oral examination was performed for all patients. Any denture-induced lesion was biopsied. Data collected were analyzed using SPSS program. Results: Oral lesions were found in 20.5% of the cases under study (43 out of the total 210 denture wearers). Denture-induced fibrous hyperplasia was the most common type of lesion detected (41.9%). A significant correlation (P = 0.004) was found between the type of denture and oral lesions in this study. Conclusion: The prevalence of denture-induced oral lesions was found to differ significantly from that reported in other studies. The diversity of these lesions among different studies depends on the quality and materials of dentures delivered, the techniques used, and the methods of patients' instructions adopted.
  2,714 127 3
A comparative evaluation of 4% articaine and 2% lidocaine in mandibular buccal infiltration anesthesia: A clinical study
Sunith Maruthingal, Dennis Mohan, Ramesh Kumar Maroli, Ali Alahmari, Ahmed Alqahtani, Mohammed Alsadoon
November-December 2015, 5(6):463-469
DOI:10.4103/2231-0762.167717  PMID:26759799
Background: To compare 4% articaine and 2% lidocaine local anesthetics in achieving pulpal anesthesia of the lower first permanent molar teeth objectively, and to assess and compare lip and lingual mucosa numbness subjectively. Materials and Methods: All subjects received 1.7 ml of any one anesthetic in the mucobuccal fold adjacent to mandibular first molar teeth; the same individuals received the second infiltration at least 1 week after the first. Later, comparisons for pulpal anesthesia, lip and lingual mucosa numbness between these two anesthetics solutions were made. Results: Articaine showed significant results with P = 0.006 in achieving pulpal anesthesia objectively, when compared with lidocaine. Articaine also showed very high significant results subjectively with P = 0.0006 in achieving lip numbness, when compared with lidocaine. But the results in achieving lingual mucosa numbness with articaine subjectively was not significant with P = 0.01, when compared with lidocaine. Conclusion: Endodontic and operative treatments are one of the most common oral non-surgical procedures done under local anesthesia. The diversity of anesthetic substances currently available on the market requires dental professionals to assess the drug both by its pharmacokinetic and also by its clinical characteristics during dental treatments. Our study used 4% articaine, which is available in the market, for comparison with 2% lidocaine. Further studies are required to use an equal concentration of solutions to achieve more accurate results.
  2,160 128 3
A comparative evaluation of plaque-removing efficacy of air polishing and rubber-cup, bristle brush with paste polishing on oral hygiene status: A clinical study
Saurabh S Patil, Purshottam S Rakhewar, Priyanka S Limaye, Niraj P Chaudhari
November-December 2015, 5(6):457-462
DOI:10.4103/2231-0762.167723  PMID:26759798
Objectives: Over the years, professional dental prophylaxis has involved the use of rubber-cup, bristle brush, and abrasive paste for coronal polishing. Although air polishing is an excellent alternative for removal of tooth stain and dental plaque, very few studies have compared their efficacy in vivo. The present study attempts to evaluate and compare the efficacy of air polishing (test) alone versus rubber-cup polishing (control). Materials and Methods: A total of 35 individuals having generalized mild to moderate gingivitis were enrolled as the study population after obtaining their informed consent. Before commencement of the study, all subjects underwent scaling to remove calculus deposits (if any), following which the ipsilateral quadrant of the patient's mouth was randomly assigned as the test side and the contralateral quadrant of the same arch was assigned as the control side for polishing procedures. Time employed for both methods of polishing was held constant at 5 min for each technique. Subjects were assessed before and immediately after polishing and again after 15 days following treatment, for plaque and gingival status along with gingival bleeding. Results: Overall, the results of the intra-group comparison of both the polishing procedure sites indicated similar but significant plaque and gingival status changes, whereas the inter-group comparison showed no significant difference between the efficacies of both the groups. Conclusions: Air polishing and the rubber-cup, bristle brush with paste polishing demonstrated equivalent efficacy regarding removal of supragingival plaque and in reducing gingival inflammation.
  2,033 137 3
Qualitative assessment of red blood cell parameters for signs of anemia in patients with chronic periodontitis
Nubesh S Khan, Roji Luke, Rino Roopak Soman, Praveen M Krishna, Iqbal P Safar, Senthil Kumar Swaminathan
November-December 2015, 5(6):476-481
DOI:10.4103/2231-0762.167726  PMID:26759801
Aim: Anemia of chronic disease is defined as anemia occurring in chronic infections and inflammatory conditions that is not caused by marrow deficiencies or other diseases and in the presence of adequate iron stores and vitamins. The present case control study was aimed to assess the red blood cell parameters for signs of anemia in patients with mild, moderate, and severe chronic periodontitis. Materials and Methods: A simple random sampling method was used to select 80 healthy male patients, who were divided into four groups based on full mouth periodontal examination as follows: group I patients comprised the control group (n = 20), which included patients with a clinically healthy periodontium, group II patients (n = 20) were diagnosed with mild chronic periodontitis, group III (n = 20) included moderate chronic periodontitis patients, and patients with severe chronic periodontitis formed group IV (n = 20). Laboratory blood investigations included total number of erythrocytes, hemoglobin concentration, packed cell volume, mean corpuscular volume, mean corpuscular hemoglobin, and mean corpuscular hemoglobin concentration. Results: Data analysis showed a statistically significant decrease in red blood cell parameters with increase in different grades of periodontitis. Conclusion: Results of the present study show a substantial decrease in red blood cell parameters with increase in the severity of periodontal destruction.
  1,806 85 1
Diagnostic features of Angle's Class II div 2 malocclusion
Kiran Kumar Dodda, Singamsetty E. R. V. Prasad, Ravi Krishna Kanuru, Siddhartha Nalluri, Radhika Mittapalli, Raghavendra
November-December 2015, 5(6):513-517
DOI:10.4103/2231-0762.170528  PMID:26759807
Statement of Problem: A thorough knowledge of the salient features of malocclusion makes the practitioner to come to a proper diagnosis and to formulate proper mechanotherapy. It also helps to predict the prognosis, prior to the onset of treatment process. Among the various malocclusions, Class II div 2 occurs the least often. The literature review does not clearly describe the classical skeletal and dental features of Angle's Class II div 2 malocclusion. Purpose of Study: The aim of this study is to describe the unique features of Angle's Class II division 2 malocclusion. Materials and Methods: A total of 612 pre-treatment records (study models and cephalograms), with age ranging from 14 to 25 years, were obtained from the hospital records of Drs Sudha and Nageswar Rao Siddhartha Institute of Dental Sciences. Among these samples, 317 were Class II div 1 and 295 were Class II div 2. The lateral cephalograms were analyzed by using Kodak software and the arch width analysis was calculated by using digital vernier calipers. Results: Student's t test was used for the study. On the cephalograms, the vertical skeletal measurements and few of the dental variables showed a significant difference. On the plaster models, the maxillary transverse measurements revealed a notable discrimination between the groups. Conclusion: Angle's Class II div 2 malocclusion has a marked horizontal growth pattern with decreased lower facial thirds, palatally inclined upper anteriors, and remarkably increased transverse maxillary arch dimensions.
  1,777 113 4
Experimental study of iron and multivitamin drops on enamel microhardness of primary tooth
Nilgoon Pasdar, Homayoon Alaghehmand, Fattane Mottaghi, Maryam Tavassoli
November-December 2015, 5(6):518-524
DOI:10.4103/2231-0762.170524  PMID:26759808
Objectives: Iron and multivitamin drops are being frequently prescribed in children less than 2 years of age. Due to their low pH levels, these drops may lead to the softening of enamel and accelerate the destructive process. The aim of the present study was to investigate the enamel microhardness of primary teeth after exposing them to iron and multivitamin drops. Materials and Methods: Forty healthy anterior teeth were randomly divided into four groups of 10 samples each. Samples were exposed to two iron drops of Kharazmi (Iran) and Ironorm (UK) and two multivitamin drops of Shahdarou (Iran) and Eurovit (Germany) for 5 min. The surface microhardness was measured before and after exposure and data processing was done using statistical paired t-test and analysis of variance (ANOVA) test. The surface structure of the teeth was examined by scanning electron microscope (SEM). Results: In all groups, microhardness was decreased, but it was not significant in Eurovit multivitamin group (P = 0.088). The reduction rate in Kharazmi iron group was significant compared to that in other groups (P < 0.005). Hardness reduction percent for Kharazmi iron drop was 28/12 ± 47/43. In SEM analysis, irregular granular appearance was observed in the enamel exposed to Kharazmi iron drop. Conclusion: The results showed that all the studied drugs have the potential to cause erosion; this potential is the most in Kharazmi iron drop and the least in Eurovit multivitamin drops. Therefore, after using these kinds of drops, preventive measures should be used in children.
  1,602 91 1
Oral health related quality of life in cleft lip and palate patients rehabilitated with conventional prostheses or dental implants
Piero Papi, Rita Giardino, Pierpaolo Sassano, Giulia Amodeo, Giorgio Pompa, Piero Cascone
November-December 2015, 5(6):482-487
DOI:10.4103/2231-0762.168645  PMID:26759802
Objectives: Cleft lip and/or palate (CLP) is the most common congenital craniofacial abnormality, with a prevalence of 9.92 per 10,000 live births. In treating patients with CLP, oral rehabilitation is definitely a very important phase of the treatment in order to improve the patient's oral health related quality of life (OH-QoL). The aim of this retrospective study is to assess the OH-QoL in patients rehabilitated with different prosthetic options, thus comparing the conventional treatments, which include removable partial dentures and fixed partial dentures, with the implant-supported prostheses. Materials and Methods: Sixty-three patients were enrolled in this retrospective survey [44 females (69.84%) and 19 males (30.16%)] with a mean age of 34.93 ± 7.04 years (age range 21–53 years). They were all treated for CLP and rehabilitated with a conventional prosthesis or an implant-supported denture. Two different questionnaires were used in the present study to evaluate patients' OH-QoL: The Italian version of the 49-item Oral Health Impact Profile (OHIP-49) and the Italian version of the Cleft Evaluation Profile (CEP). Statistical analysis was performed using analysis of variance (ANOVA) test, with a significant P < 0,05. Results: Data analysis revealed that patients rehabilitated with implant-supported dentures and fixed partial dentures showed a good level of satisfaction with their prostheses, scoring low values in the OHIP-49 and high values in the CEP, while subjects with removable partial dentures scored the highest values in the OHIP-49 and the lowest values in the CEP, which means an unsatisfactory feeling (P < 0.05). Conclusions: OH-QoL is a challenging demand for all prosthodontists. Our results show, clearly, that patients rehabilitated with implant-supported dentures are more satisfied compared to subjects with fixed partial dentures and removable partial dentures.
  1,582 99 7
Parental views on fluoride tooth brushing and its impact on oral health: A cross-sectional study
Mohammad Alshehri, Omar Kujan
November-December 2015, 5(6):451-456
DOI:10.4103/2231-0762.167728  PMID:26759797
Objective: This study aimed to describe the current use and knowledge about fluoride toothpaste and children's oral hygiene habits among parents of Saudi children. Materials and Methods: In this cross-sectional study, the parents of children aged 7–12 years who visited the undergraduate pediatric dental clinics at the College of Dentistry in Riyadh, Saudi Arabia were interviewed. The interview included questions to assess the parents' level of fluoride knowledge, the dental appearance of their children, and any general dental health concerns and practices. Results: A total of 463 parents (women 55.5%, men 44.5%) were included. Over half (60.3%) of the participants reported that they were unhappy with the appearance of their child's teeth. Only 11.5% received high fluoride knowledge scores. The additive index for the level of fluoride knowledge was significantly lower among mothers than among fathers. The majority of the parents were not able to correctly report whether the toothpaste their children used contained fluoride. Furthermore, the majority of the respondents were unaware of the benefits of fluoride in preventing dental caries. Conclusions: There is a need to enhance parental knowledge regarding high fluoride intake and its harmful consequences on children's health. Both mothers and fathers should have higher levels of awareness regarding oral health promotion to maintain optimal oral health in their children.
  1,577 93 1
Evaluation of cuspal deflection in premolar teeth restored with low shrinkable resin composite (in vitro study)
Labib Mohamed Labib, Sameh Mahmoud Nabih, Kusai Baroudi
November-December 2015, 5(6):470-475
DOI:10.4103/2231-0762.167725  PMID:26759800
Objectives: This study evaluated cuspal deflection in premolar teeth restored with low shrinkable resin composite. Materials and Methods: A total of 40 human premolars were used for cuspal deflection evaluation in this study. Each group was divided into four equal groups according to the type of resin composite and the adhesive used as follows: group A: Using low shrinkable resin composite (silorane) with its adhesive system; group B: Using low shrinkable composite (silorane) with G-bond; group C: Using Filtek Z350 composite with G-bond; and group D: Using Filtek Z350 composite with AdheSE. Cusp deflection was detected using Universal measuring microscope and laser horizontal metroscope. Results: This study was done to investigate the effect of polymerization shrinkage stresses of two resin composite materials (Filtek Z350 and Filtek P90) on cuspal deflection of mesio-occluso-distal restoration. For this study, the extracted non-carious maxillary second premolars were selected. Forty teeth that showed no more than 5% variation in their dimensions were used. A significant increase in cuspal deflection of cavities restored with the methacrylate-based (Filtek Z350) compared with the silorane (P90) resin-based composites was obtained. Conclusion: The change in the organic matrix or materials formulation of the resin composite using silorane has a positive effect on controlling the cusp deflection.
  1,409 61 -
Comparative evaluation of sealing ability of glass ionomer-resin continuum as root-end filling materials: An in vitro study
Hitesh Chohan, Harisha Dewan, BM Annapoorna, MK Manjunath
November-December 2015, 5(6):488-493
DOI:10.4103/2231-0762.168644  PMID:26759803
Background and Objectives: Root-end filling is a prudent procedure aimed at sealing the root canal to prevent penetration of tissue fluids into the root canals. An ideal root-end filling material should produce a complete apical seal. Therefore, the aim of this study is to compare the leakage behavior of four different root-end filling materials. Materials and Methods: Sixty-eight maxillary central incisors were obturated with laterally condensed gutta-percha and AH plus sealer. The roots were resected at the level of 3 mm perpendicular to the long axis of the tooth. Root-end cavities were prepared with straight fissure stainless steel bur. The teeth were then divided into four experimental and two control groups, and cavities restored as per the groupings. The teeth were immersed in methylene blue for 48 h, split longitudinally, and dye penetration was measured.Results: A highly significant difference existed in the mean dye penetration of Group I (conventional glass ionomer) and the other groups (resin-modified glass ionomer, polyacid-modified composite, and composite resin). There was no statistically significant difference among the three groups.Conclusions: (1) Significant difference was found in the dye penetration values of conventional glass ionomer cement and other groups. (2) No statistically significant difference was found in the dye penetration values of groups II, III, and IV.
  1,324 68 -
Evaluation of serum sialic acid, fucose levels and their ratio in oral squamous cell carcinoma
Sangamesh Ningappa Chinnannavar, Lingappa Ashok, Kodige Chandrashekhar Vidya, Sunil Mysore Kantharaja Setty, Guru Eraiah Narasimha, Ranjana Garg
November-December 2015, 5(6):446-450
DOI:10.4103/2231-0762.169211  PMID:26759796
Background: Detection of cancer at the early stage is of utmost importance to decrease the morbidity and mortality of the disease. Apart from the conventional biopsy, minimally invasive methods like serum evaluation are used for screening large populations. Thus, this study aimed to estimate serum levels of sialic acid and fucose and their ratio in oral cancer patients and in healthy control group to evaluate their role in diagnosis. Materials and Methods: Serum samples were collected from 52 healthy controls (group I) and 52 squamous cell carcinoma patients (group II). Estimation of serum levels of sialic acid and fucose and their ratio was performed. This was correlated histopathologically with the grades of carcinoma. Statistical analysis was done by using analysis of variance (ANOVA) test and unpaired "t" test. Results: Results showed that serum levels of sialic acid and fucose were significantly higher in oral cancer patients compared to normal healthy controls (P < 0.001). The sialic acid to fucose ratio was significantly lower in cancer patients than in normal controls (P < 0.01). However, comparison with histological grading, habits, gender, and age group did not show any significant result. Conclusion: The mean serum sialic acid and fucose levels showed an increasing trend from controls to malignant group and their corresponding ratio showed decreasing trend from controls to malignant group. The ratio of sialic acid to fucose can be a useful diagnostic aid for oral cancer patients.
  1,190 90 2
The prevalence and pattern of cavitated carious lesions in primary dentition among children under 5 years age in Sirsa, Haryana (India)
Anshul Sachdeva, Neha Punhani, Madhu Bala, Suraj Arora, Gurdeep Singh Gill, Neeraj Dewan
November-December 2015, 5(6):494-498
DOI:10.4103/2231-0762.170527  PMID:26759804
Background: To determine the prevalence and pattern of cavitated carious lesions in primary dentition in children below 5 years of age in Sirsa, Haryana. Aims: The aim of this study was to evaluate the status of dental caries in primary dentition and compute data for planning anticipatory programs in children aged less than 5 years. Settings and Design: The study was conducted among children attending the outpatient department of pedodontics, JCD Dental College, Sirsa, Haryana (India) from April to December 2014. Materials and Methods: This study consisted of 576 children of both sexes (311 males and 265 females) up to 5 years of age. Dentition status and treatment proforma (WHO, 1997) was used to assess the prevalence of cavitated carious lesions. Selection of children for the study was done by simple random sampling method. Statistical Analysis: Chi-square test and t-test were used to compute data for statistical analysis. Results: 33.85% of children in the study population showed presence of cavitated carious lesions. Males showed slightly higher prevalence of cavitated carious lesions than females (P = 0.35). Incidence of caries was higher in mandibular arch in both the sexes (males P = 0.9, females P = 0.7) and in posterior teeth (both sex wise and arch wise). Higher caries prevalence was noticed in maxillary anterior teeth (P = 0.04) and mandibular posterior teeth (P = 0.7). Primary second molars showed highest caries prevalence (P = 0.39) in both the arches and sexes. Conclusion: The mean prevalence of cavitated carious lesions in primary dentition was found to be 33.85%. Males were more affected than females. Mandibular molars and maxillary anterior teeth were the predominantly affected teeth. Mandibular anterior teeth were least affected. The increase in incidence of cavitated carious lesions shows that there is necessity of implementing dental health awareness programs and modifications in types of food consumed are needed to eliminate the cause of decay.
  1,169 66 1
Effect of 3D animation videos over 2D video projections in periodontal health education among dental students
Ravindranath Dhulipalla, Yamuna Marella, Kishore Kumar Katuri, Penupothu Nagamani, Kishore Talada, Anusha Kakarlapudi
November-December 2015, 5(6):499-505
DOI:10.4103/2231-0762.170526  PMID:26759805
Background: There is limited evidence about the distinguished effect of 3D oral health education videos over conventional 2 dimensional projections in improving oral health knowledge. This randomized controlled trial was done to test the effect of 3 dimensional oral health educational videos among first year dental students. Materials and Methods: 80 first year dental students were enrolled and divided into two groups (test and control). In the test group, 3D animation and in the control group, regular 2D video projections pertaining to periodontal anatomy, etiology, presenting conditions, preventive measures and treatment of periodontal problems were shown. Effect of 3D animation was evaluated by using a questionnaire consisting of 10 multiple choice questions given to all participants at baseline, immediately after and 1month after the intervention. Clinical parameters like Plaque Index (PI), Gingival Bleeding Index (GBI), and Oral Hygiene Index Simplified (OHI-S) were measured at baseline and 1 month follow up. Results: A significant difference in the post intervention knowledge scores was found between the groups as assessed by unpaired t-test (p<0.001) at baseline, immediate and after 1 month. At baseline, all the clinical parameters in the both the groups were similar and showed a significant reduction (p<0.001)p after 1 month, whereas no significant difference was noticed post intervention between the groups. Conclusion: 3D animation videos are more effective over 2D videos in periodontal disease education and knowledge recall. The application of 3D animation results also demonstrate a better visual comprehension for students and greater health care outcomes.
  1,122 89 1
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