Quantitative methods help farmers plan and make decisions. An apt example of these methods is the linear programming (LP) model. These methods acknowledge the importance of economizing on available resources among them being water supply, labor, and fertilizers. It is through this economizing that farmers maximize their profit. The significance of linear programming is to provide a solution to the existing real-world problems through the evaluation of existing resources and the provision of relevant solutions. This research studies various LP applications including feed mix, crop pattern and rotation plan, irrigation water, and product transformation; that have the main role to enhance various facets of the agriculture sector. The paper will be a review that will probe into the applications of the LP model and it will also highlight the various tools that are central to analyzing LP model results. The review will culminate in a discussion on the different approaches that help optimize agricultural solutions.
The aim is to compare the use of Cyanoacrylate adhesives (CAA) to the conventional suturing technique in terms of free gingival grafts (FGG) stability and healing in lower anterior and premolar regions. A split mouth design was initiated on 22 participants. Each side (from 2nd premolar to central incisor) was randomized to either the control or test groups. In the control group, sutures were used to stabilize the FGG, while, in the test group, the FGG was stabilized with butyl-cyanoacrylate. Full-periodontal clinical parameters were employed to assess the periodontal health. FGG-related parameters assessed included the keratinized tissue width (KTW), gingival tissue thickness (GTT), FGG shrinkage% and pain using the VAS score. No significant differences in the mean values of the KTW nor FGG shrinkage% across six time points (p < 0.05) were observed, whereas highly significant differences in the mean values of GTT across six time points (F = 3.32; p = 0.008) were observed. The use of CAA in FGG stability and healing is comparable to conventional suturing for soft tissue grafts in terms of success outcomes. With its cost effectiveness, lesser time consumption, post-operative pain and comparable graft stability and dimensions, the use of CAA may be a promising alternative for conventional and microsurgical techniques for the stabilization of FGG in the oral cavity.
The persistence of thumb sucking might also be harmful as it might be associated with the development of complications seen on the thumb as paronychia and nail deformities and in the mouth level as malocclusions. In this review, we have looked up studies in the literature to identify the effect of thumb sucking on the development of malocclusion. Thumb sucking in children usually occurs as a primitive reflex that appears in early childhood with no apparent causative factors. Children usually develop this thumb sucking habit because in this way they feel more comfortable and secure. The main cause behind the development of thumb sucking is the prolonged presence of the thumb in the mouth which creates pressure against the developing jaw and teeth. This may interfere with the process of tooth eruption leading to delayed or abrupt eruption events and malformations. The severity of malocclusion deformities is significantly associated with the chronicity and period of thumb-sucking habits. Other forms of occlusions secondary to thumb sucking include: anterior open bite, exaggerated overjet, posterior crossbite, retrognathic mandible, a diastema, temporomandibular joint disorders and the retroclined low anterior. Thumb sucking, however, is a self-limiting phenomenon and usually disappears as children grow older. However, when persistence is noticed, immediate management should be approached to avoid any potential complications.
To assess the diabetes mellitus (DM) knowledge, attitudes, preventive practices, and associated factors among a sample of adult non-diabetic Saudi residents. Methods: The present survey was conducted in April-June 2022. People from the general population were invited to participate in the study, and the data were collected using a validated questionnaire. Results: A total of 1207 non-diabetic subjects participated in the study [females 798(66.1%) and males 409(33.9%)], and the response rate was 80% (1207/1500). Two-thirds (66.86%) of non-diabetic adult community members had good knowledge of DM, 47.8% had positive attitudes, and 62.14% maintained a healthy lifestyle to avoid DM. There was a family history of DM in more than half of the subjects 723(59.9%). Participants who had a direct relative with diabetes scored higher on the knowledge question than those who did not (p<0.001). Practice questions responses for preventing DM showed that about 459(38%) were using fatty food less frequently, and only 338(28%) and 153(12.7%) were doing physical activities 30-60 minutes per day frequently and very frequently, respectively. Most participants were smoking tobacco, 890(73.7%), and getting checked their BP, 704(58.3%), very frequently. The participants with a master's and Ph.D. degree were likelier to have positive attitudes and good practices than students. Individuals with a history of DM in their families were 2.10 times (OR=2.10, p<0.001), 1.95 times (OR=1.95, p<0.001), and 2.03 times (OR=2.03, p<0.001) more likely to be knowledgeable, had positive attitudes and good practices than those with no DM in their family, respectively. Conclusion: Over half of the individuals possessed a positive mindset, adequate knowledge, and good practicing behavior for preventing DM. Having Master's and Ph.D. degrees and a family history of DM were associated with a positive attitude and good practices. There is a need to expand community awareness campaigns utilizing social media channels.
Background: Physiological responses to stress disturb internal homeostasis, leading to serious health consequences. Medical students experience high stress levels that should be managed promptly to prevent stress-related impacts on students’ health and education. Aim: This study aims to identify the relationship between stress factors, general health, and academic performance. Methods: This study recruited 421 medical students of all academic years. Participants completed an online survey assessing stress levels using a validated 10-item Perceived Stress Scale. Stress was also compared with students’ health and academic performance. Results: We found that 93.6% of our sample experienced moderate to severe stress, and 31% reported increased stress due to the coronavirus disease (COVID-19) pandemic. Except for internship students, stress significantly decreases as students progress each academic year (p < 0.05). Students with higher GPAs and with comorbidities are more stressed. Comorbidities were primarily reported in students in their final years of education with a 4% lower GPA than healthy students. Although we had three stress-related themes (general, academic, and pandemic), students’ perceptions of stress factors were primarily academically related. Conclusions: Students experience high stress levels in their final educational years, which might increase the risk of health issues and low academic performance. It is essential to innovate stress-coping strategies specially designed for medical students and mandatorily provided by all medical colleges and to educate students on the effects of stress on their health.
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