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   Table of Contents - Current issue
Coverpage
January-June 2019
Volume 9 | Issue 1
Page Nos. 1-52

Online since Friday, May 17, 2019

Accessed 374 times.

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PRESIDENTS MESSAGE  

President's message Highly accessed article p. 1
K Sadashiva Shetty
DOI:10.4103/ijohs.ijohs_18_19  
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SECRETARYS MESSAGE Top

Secretary's message p. 2
IM Ali
DOI:10.4103/ijohs.ijohs_17_19  
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GUEST EDITORIAL Top

Oral health and overall health p. 3
K Ravindra
DOI:10.4103/ijohs.ijohs_16_19  
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EDITORIAL Top

Editorial p. 4
C Shubha
DOI:10.4103/ijohs.ijohs_15_19  
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ORIGINAL ARTICLES Top

Estimation of salivary flow in oral submucous fibrosis patients using vibrotactile stimulation p. 5
Apurva Prashant Deshpande, Kajal V Gokak, Sagar Jalihal, Anjana Bagewadi
DOI:10.4103/ijohs.ijohs_35_18  
Introduction: Xerostomia is encountered commonly in dentistry and also features in oral submucous fibrosis (OSMF), due to fibrosis and hyalinization in and around salivary glands. Vibrotactile stimulation of salivary glands is a new reliable noninvasive method for stimulation of saliva. Purpose: The aim of this research is to determine the efficacy of vibrotactile stimulation in increasing salivary secretions. Materials and Methods: Study was conducted on 20 individuals with OSMF and equal control group. Resting saliva was measured by asking the participants to accumulate saliva in the mouth for 3 min and then collect it in a container by spitting method. Later, masseter muscles were stimulated by extraoral vibrations of 90 Hz frequency through the apparatus for 3 min and stimulated saliva was collected immediately in a container. The volume of the stimulated and resting saliva was then compared. Results: The study comprised of majority male subjects with average age of 35 years. On vibrotactile stimuli, there was a rise in stimulated saliva in both the groups with a statistically significant P value. Conclusion: Although there is saliva blockage due to the fibrosis in minor salivary glands (MSGs) and ducts of major salivary glands in OSMF, this study showed increased salivary flow upon vibratory stimuli. Increase in salivation is assumed to be from tonic vibration reflex (TVR) of muscles and conduction of vibrations by the bone till the major salivary glands and MSG. The reported apparatus can be used to stimulate salivary flow by patients itself without any need of assistance.
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Effect of ozonated water on dentin bond strength p. 9
Attiguppe R Prabhakar, Ravi S Kumar, Divya Prahlad
DOI:10.4103/ijohs.ijohs_58_18  
Objective: Residual bacteria under restorations can survive and proliferate even in the presence of a good seal. This can be prevented using adjunctive treatment with antibacterial agents during dentin bonding. However, its use can interfere with the bonding process. The current research was designed to study the influence of pretreatment with 2% chlorhexidine (CHX) gluconate (Consepsis), and ozonated water on shear bond strength, and microleakage of resin-modified glass ionomer cement (RMGIC) to primary tooth dentin. Materials and Methods: Thirty-six noncarious primary molars were selected, and the study was conducted in two parts as follows: evaluation of (1) Shear bond strength and (2) Microleakage. The teeth were randomly divided into three groups as follows: group I – Distilled water (control), Group II – 2% CHX gluconate, and Group III – ozonated water. The shear bond test was done using a Universal Testing Machine (Instron, USA). The results were analyzed using one-way ANOVA for multiple group comparisons and post hoc Tukey's for group-wise comparison. Microleakage was evaluated using stereo microscope. The results were statistically analyzed using the Chi-square test for group-wise comparison. Results: Bond strength was comparable across the three groups with distilled water showing the highest bond strength values followed by ozone group and 2% CHX group. CHX group showed significantly greater microleakage when compared with that of the ozone group. Interpretation and Conclusion: Ozonated water did not affect the shear bond strength or the sealing ability of RMGIC to primary tooth dentin, and hence is a viable option for cavity disinfection.
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Relationship of salivary levels of sialic acid in obese patients with chronic periodontitis: A biochemical study p. 15
Vivek Kumar, Amrita , Gargee Rawat, Mahendra Pratap, Gaurav Kumar, Anshul Verma
DOI:10.4103/ijohs.ijohs_54_18  
Background: Sialic acid (SA) participates in multiple physiological functions, such as cell-to-cell interactions, cell migration, and proliferation. The levels of SA may provide intimation about the severity and state of underlying disease processes. Hence, the aim of the present study was to assess the salivary levels of SA in obese patients with and without chronic periodontitis (CP) and nonobese healthy patients. Materials and Methods: A total of 45 patients were divided into three groups: Group 1: nonobese healthy, Group 2: obese without CP, and Group 3: obese with CP. Whole saliva samples were collected, and SA levels were evaluated using the thiobarbituric acid method of Skoza and Mohos. The results were analyzed using SPSS and Mann–Whitney analysis. Results: The highest SA levels from the saliva were detected in Group 3 while the lowest in Group 1. A significant difference in SA levels in the saliva was found when Groups 1 and 2 were compared with Group 3 (P < 0.0001). Conclusion: The level of SA was higher in the saliva of CP patients. SA may be used as an inflammatory marker for the detection of periodontal disease.
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Evaluation of biological effects of X-radiography and computed tomography scan on oral microflora p. 20
Ali Abdul Hussein S Al-Janabi, Mohammid Hamid H AI-Baghdadi
DOI:10.4103/ijohs.ijohs_53_18  
Introduction: X-ray is the most valuable tool for diagnosis of various diseases. Its radiation energy has a serious effect on living cells. The effects of X-radiography and computed tomography (CT) scans on the viability of oral microflora in the human were investigated. Methods: A total of 432 patients in two groups exposed to X-radiation were included in a cohort study. Group I (215) was exposed to X-radiography and Group II (217) to CT scan. Swab samples from the oral cavity were collected. Viability of normal oral flora in those patients was measured by microbial counting before and after exposure. Results: Radiation of X-ray techniques, especially for CT scan, showed an effect on most of bacterial multiplication by increasing their count after exposure. Meanwhile, fungal isolates and one of the bacteria (Staphylococcus aureus) were decreased in number after exposure. Some isolates were not affected by radiation from X-radiography. Conclusion: Radiation of routinely diagnostic X-ray found to play an important role in disturbance of microbial counting balance among oral flora through increasing the density of most kinds of them. Limitation of X-ray exposure is a safety precaution that should be taken to prevent adverse effects on normal flora of the human body.
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REVIEW ARTICLES Top

Toothbrush bristles, a harbor of microbes and the risk of infection Highly accessed article p. 25
Philip Asumang, Samuel Eguasi Inkabi, Shirley Inkabi
DOI:10.4103/ijohs.ijohs_60_18  
Microbes survive in a wide variety of environments, including toothbrush bristles regardless where they are kept once they are unsterilized. Toothbrush bristles serve unintentionally a great source of favorable condition for the growth and survival of microorganisms. Conducting a literature review of previous studies, we explored the microbial contamination of toothbrush bristles occurrence, and the risks this poses for disease infections in susceptible individuals in this review article.
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Oral field cancerization: Tracking the invisible p. 28
Harsha Mallegowda, Ruthushree Theresa, Vikram S Amberkar
DOI:10.4103/ijohs.ijohs_34_18  
Cancer is one of the most common diseases affecting humans worldwide, despite latest advances made in molecular and cell biology, how cancer cells progress through carcinogenesis and acquire their metastatic ability is still questionable. Oral cavity is one of the commonest site for potentially malignant disorders. These pre-malignant pathologies may progress to dysplastic lesions then to invasive carcinomas.The presence of one or more mucosal areas consisting of epithelial cells that have cancer-associated genetic or epigenetic alterations.The prognosis of squamous cell carcinoma patients is adversely influenced by development of a new tumor. This review highlights the pathophysiological changes during field cancerization
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My dentures, my character p. 36
Ritesh Kumar Singh, MD Chetan, Rucha Shah
DOI:10.4103/ijohs.ijohs_61_18  
The prime duty of a dentist is to provide the patient what he desires while keeping the functional modalities and esthetics in mind. The dentist should inform patient that dentures can be characterized according to their wish for better esthetics in permissible limits. Making a patient happy by meeting his expectations is superior criteria to excel in our field, as it is said “a happy patient reflects your hard work” each patient is evaluated individually with complete care and dentist should make a denture characterized for the patient.
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CASE REPORTS Top

Full-mouth rehabilitation using twin-stage technique p. 40
Ashish Kalra, Harbir Singh Sandhu, Nanda Kishore Sahoo, AK Nandi, Shilpa Kalra
DOI:10.4103/ijohs.ijohs_62_18  
The wear and tear of the occlusal surfaces of teeth keeps on happening throughout life. However, excessive occlusal wear may lead to occlusal disharmony, pulpal trauma, esthetic disfigurement, and impaired function. Tooth wear can be classified as attrition, abrasion, and erosion depending on the cause. Therefore, it is important to identify the factors which contribute to excessive wear and reduce the vertical dimension of occlusion. This case report presents the rehabilitation of complete maxillary and mandibular arch in a 45-year-old male patient with severe attrition. The patient was treated using the Hobo's twin-stage approach with porcelain-fused-to-metal crowns on all maxillary and mandibular teeth.
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Management of impacted transmigrated mandibular canine associated with dentigerous cyst: A surgical approach p. 45
Akhilesh Kumar Singh, Naresh Kumar Sharma, Nitesh Mishra, Shankar Singh, Shreya Singh
DOI:10.4103/ijohs.ijohs_57_17  
Transmigration of impacted canine is an uncommon phenomenon in which unerupted canine crosses the midline. Sometimes, this condition may also be associated with any pathology or cystic degeneration, and in such a case surgical extraction along with the enucleation of cyst is the preferred treatment modality. The present study discusses a case of a 12-year-old adolescent male with similar condition managed with surgical removal of tooth and cyst enucleation.
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Nonsurgical healing of periapical lesion using single cone with bioceramic sealer p. 49
RS Basavanna, Vasundhara Shivanna, Kanika Chhillar
DOI:10.4103/ijohs.ijohs_43_18  
An important goal of root canal treatment is to properly seal the canal system after cleaning and shaping. However, irregularities such as fins, isthmuses, and lateral canals are often present can pose challenge to clinician during obturation. The importance of three-dimensional obturation of the root canal system cannot be overstated, with the ability to achieve this goal primarily dependent on the quality of canal cleaning and shaping as well as clinical skill. Other factors that influence the ultimate success or failure of each case include the materials used and how they are used. Root canal sealer not only helps to enhance impervious seal but can also act as lubricant and can flow to lateral and accessory canals. This case report states the importance of bioceramic-based sealers in nonsurgical healing of periapical lesion.
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