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Background:Cigarette smoking is an established and modifiable risk factor for periodontitis. Periodontitis appears to be dose-dependent on smoking. The purpose of this study was to assess a reliable marker of tobacco smoke exposure (salivary cotinine) chairside and to confirm the quantitative association between smoking and chronic periodontitis.Materials and Methods:Saliva samples from 80 males, aged 30–60 years, with chronic periodontitis, were evaluated chairside using NicAlert™ cotinine test strips (NCTS). Patients were divided into two groups: A (cotinine negative) and B (cotinine positive). Plaque index (PI), Gingival index (GI), gingival bleeding index (GBI), probing pocket depth (PPD), clinical attachment level (CAL), and gingival recession (GR) were compared between the two groups and among the subjects of group B.Results:Comparison showed that the severity of PPD (P<0.001), CAL (P<0.001), and GR (P<0.001) was more in group B than in group A. Severity of all periodontal parameters increased with increased salivary cotinine among the subjects in group B.Conclusion:Quantitative direct association can be established between salivary cotinine and the severity of periodontitis. Immunochromatography-based cotinine test strips are a relatively easy method for quantification of salivary cotinine chairside. Immediate and personalized feedback from a chairside test can improve compliance, quit rates, and ease reinforcing smoking cessation.

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Aim: The study aims to analyze the specific gravity with the hemoglobin of the blood. Introduction: The ratio of the density of a substance to the density of the water at a specified temperature and pressure is known as specific gravity. Blood is a fluid connective tissue that delivers oxygen and nutrients to the cells and transports metabolic waste away from the cells. Red blood cells are biconcave disc-shaped cells produced from bone marrow. It contains proteins that transport oxygen from the lungs to all the parts of the body. The term heme reforms to the iron-containing porphyrin. The aim of the study was to analyse the specific gravity of Hemoglobin of the blood. Materials and Methods: 10 random blood samples were collected from the patients in Saveetha Dental College. Then the samples were centrifuged and the blood-specific gravity and hemoglobin were analyzed from the sample using a multi-reagent strip and the specific gravity and hemoglobin was determined. Results and Discussion: The mean specific gravity value of age group 21 - 30 years is 1.015, the mean specific gravity value of age group 31 - 40 years is 1.018, the mean specific gravity value of age group 41 - 50 is 1.016, and the mean specific gravity value of age group more than 50 years is 1.020. The mean specific gravity value of females is 1.01750 and the mean specific gravity value of males is 1.01750. The mean Hb value of females is 11.67 and the mean Hb value of males is 14.68. Conclusion: The value of mean specific gravity is slightly increased among different age groups and the mean Hb value is also slightly increased with different age groups. Between genders mean specific gravity is equal to both genders and mean Hb value is more in males compared with females.

The aim of the study is to find an opinion about the use of digital dentistry in clinical practice among dental practitioners. Digital dentistry is the use of dental technologies and devices that incorporate digital (or) computer controlled components that carry out dental procedures than using mechanical (or) electrical tools. A detailed study is done by reviewing several articles about digital dentistry in dental practice. Many dentists are focusing on advanced dentistry now-a-days, which causes them to take care of conventional issues with present day arrangements. The purpose behind this article is to analyze the idea of computerized dentistry, its focal points and restrictions, and offer expressions and perceptions on explicit areas of advanced dentistry dependent on research, understanding, and correspondence with clinicians around the world. It is expected to give a functional perspective on computerized dentistry, an improvement for more prominent selection of the areas that are concerned with digital dentistry, and quicker incorporation of new innovations.