Introduction: Several treatment options are available for the optimal treatment for orbital fractures, depending on aesthetic and functional results after orbital wall reconstruction. The objective of this study is to compare the effect and safety of large orbital floor fractures with titanium mesh combined with poly-L-lactic acid/polyglycolic acid copolymer implants (Lactosorb®) vs. autologous costochondral graft. A wide range of permanent and biodegradable materials have been used successfully for orbital floor reconstruction, however they present with disadvantages for reconstruction of large defects, even if combined.
Patients and Methods: A retrospective cohort study of patients from Estado de México, México, with access to ISSEMYM health care service, presenting with orbital floor fracture treated at Department of Plastic & Reconstructive Surgery/Maxillofacial Surgery at ISSEMYM Medical Center Toluca between January 2007 and July 2010. Age, sex, etiology, clinical findings, fracture pattern, and treatment modality (Titanium mesh with absorbable implant vs. costochondral graft) were considered. Predictor and outcome variables as complications, inpatient, trauma- surgery interval, surgical time and donor site pain are considered.
Results: Follow up of 21 patients (12 weeks) 17 male, 4 female, ages 22-63 was made. Enophthalmos, main objective of this study, was identified with statistical significance presenting 0% (n=0) post-op Group B patients and 30% (n=3) for Group A (p=0.049). Statistical significance was found referring to inpatient days between two groups being less for costochondral reconstruction patients (p=0.02). No pain in patients undergoing alloplastic surgery. An interesting result was that donor area analogue pain scale for costochondral graft was 2.9/10.
Conclusion: Surgical outcome and complications where evaluated comparing different materials for orbital floor reconstruction. Costochondral graft is a suitable choice when orbital reconstruction is indicated.
From biomedical literature “autism disorder are involved in young patient, that we have abnormalities (Imaging, histology) in some brain areas, and a comples symptomatology. Genetic and environment can produce some unbalances in brain grow and immunitary situation is involved. Apoptotic signal contribute in brain growth and immunologic shock can unbalance the environment producing abnormalities.”
We can see that some pharmacological molecules are been introduced in therapy in some brain pathologies with a specific mechanism: modulating the immune systems. We can see that some systemic immune modifications can unbalance this systems producing pharmacological effect in local place (as Brain). We can observe this phenomena like a kind of toxicity that can be deeply investigate to discover new Pharmacological strategies.
Aim of this work is to observe this kind of pathologies under a specific immune-toxicological aspect. We think that in this field are needed deeply new approach in order to adequately focus this kind of disorder. A different way to set this kind of pathologies can help in searching new pharmacological strategies.
The indications for impacted third molar extraction include the prevention of dental reabsorption on the adjacent tooth. Resorption can be classified as physiological (when deciduous teeth are exfoliated) or pathological (when caused by injury or irritation to the periodontal ligament). Many causes can trigger external root resorption (ERR), the most common cause of which is orthodontic forces. The most common cases of ERR involve impacted third molars which, due to the lack of space for their eruption, generate a greater chance of ERR on the distal portion of the second molar. This pathology is becoming progressively more frequent in clinical dental care. Periapical and panoramic radiographs are used to aid in diagnosis, as is cone beam computed tomography. In cone beam computed tomography scans, radiolucent areas with irregular gaps are detected; these gaps represent a significant loss of dental material. The objectives of this article were to report a case of second molar resorption triggered by an impacted third molar and to perform a review of the literature on the causes of external root resorption. Ideally, this information will aid dental clinicians (and orthodontists in particular) in understanding the features of this pathology so that they may recommend preventive third molar extraction when necessary.
The global obesity epidemic that was previously reported [1,2] is now to worsen with obesity to double in 73 countries around the world [3,4]. Improving the health of obese individuals by dietary restriction, anti-obese foods and increased physical activity [1] has not reduced the global obesity epidemic. Obesity is linked to nonalcoholic fatty liver disease (NAFLD) [5,6] with complications relevant to the metabolic syndrome and cardiovascular disease [7]. Appetite control has become critical to endocrinology and metabolism with the apelinergic pathway and nuclear receptor Sirtuin 1 (Sirt 1) now connected to the endocrine system [8] and critical to metabolism. The apelin-Sirt 1 interaction involves nitric oxide (NO) [9] that is now considered as the defect [10] in the interaction between the peptide apelin and calorie sensitive gene Sirt 1 involved in NO imbalances in the adipose tissue, liver and the brain.
Jiawei Zhao, Zhihong Yang, Min He, Qinghua Wang and Renming Hu*
Published on: 19th June, 2018
Although exercise has been proposed to be beneficial to type 2 diabetes, its effects on β-cell function and mass remain unclear. In the present study, the effects of long-term swimming training on the function and mass of β-cells in diabetic OLETF rats were examined. At 44 weeks of age after developing diabetes, the OLETF rats were divided into two groups: a control group and an exercise group. The exercise group had a daily swimming for 12 weeks. While not found with the control rats, in the obese OLETF rats, the exercise reduced the weight gain which was associated with improved glucose tolerance and elevated circulating insulin levels as determined by the oral glucose tolerance test and insulin ELISA. The exercise improved plasma total cholesterol and triglyceride levels, and also significantly increased the islet β-cell mass and pancreatic insulin content associated with decreased β-cell apoptosis and elevated activation of the serine/threonine kinase, Akt. The present studies suggest that exercise improves diabetes symptoms via enhancement of the β-cell mass and function through decreasing glucolipotoxicity and reducing β-cell apoptosis by activating Akt in obese OLETF rats.
Cardiovascular Diseases (CVDs) remain a major global health concern, necessitating accurate and comprehensive diagnostic techniques. Traditional medical imaging modalities, such as CT angiography, PET, MRI, and ultrasound, provide crucial but limited information when used independently. Image fusion techniques integrate complementary modalities, enhance visualization, and improve diagnostic accuracy. This paper presents a theoretical study of advanced image fusion methods applied to cardiovascular imaging. We explore wavelet-based, Principal Component Analysis (PCA), and deep learning-driven fusion models, emphasizing their theoretical underpinnings, mathematical formulation, and potential clinical applications. The proposed framework enables improved coronary artery visualization, cardiac function assessment, and real-time hemodynamic analysis, offering a non-invasive and highly effective approach to cardiovascular diagnostics.MSC Codes: 68U10,94A08,92C55,65T60,62H25,68T07.
Rohit Kulshrestha*, Vinay V Umale, Kamlesh Singh, Aftab Azam and Madhvi Bhardwaj
Published on: 10th March, 2017
Aim: To evaluate sexual dimorphism in horizontal lip position in adults with different skeletal patterns.
Material and Methods: The sample comprised of 120 patients (Females 18 years and above, Males 21 years and above) with no history of previous orthodontic treatment or functional jaw orthopaedic treatment. They were divided into different groups based on the ANB angle and gender. Group I and II included 30 males and 30 females with skeletal class I malocclusion (ANB 0-4 degree). Group III and IV included 30 males and 30 females with skeletal class II malocclusion respectively (ANB above 4 degree).
Results: When comparison between males and females (Class I+Class II) was done S-line (p<0.001), B-line (p<0.001), E-line (p<0.001), Holdaways angle (p<0.001) and Merrifield angle (p<0.001) were found to be statistically significant. S-line (p<0.001), E-line (p<0.001) and Holdaways angle (p<0.001) were found to be statistically significant when comparison was done between males and females (Class I). When comparison was done between males and females (Class II) only Holdaways angle (p<0.001) showed a significant statistical difference.
Conclusion: Sexual dimorphism was found in various lip parameters. Significant amount of differences were found between Class I and Class II (male and female) subjects.
Purpose: To determine the normal value of basal angle measured using the modified MR imaging technique in Thai population compared with the standard value obtained from the Western population.
Material and Methods: We retrospectively evaluated midline sagittal SE T1 weighted MR images in 200 adults and 50 children. The basal angle of the skull base was measured using the modified MR imaging technique described by Koenigsberg et al. The angle was formed by a line extending across the anterior cranial fossa to the tip of the dorsum sellae and another line drawn along the posterior margin of the clivus. The mean values of the basal angles among different age groups and sex were calculated and analyzed.
Results: The mean skull base angle of our adult population was 115° (range 100.5°-130°, SD=5.7) with an inter-observer agreement of 0.85, slightly smaller than the previous study from the USA which was 117°. There was no significant difference between the male and female groups. The mean skull base angle in our children population was 114.7° (range 102- 130.5°, SD=6.3) with an inter-observer agreement of 0.89, quite similar to the previous USA study which was 114°. There was no significant difference between adult and children.
Conclusion: The mean adult skull base angle measured using the modified MR imaging technique in Thai population was slightly smaller than the Western population, while the mean skull base angle of children was quite similar. The basal angle range of 103.6°-126.4° may be used as a guide for the potential range of normal skull base angles in Thai population and possibly also the Southeast Asian population.
Objectives: The aim of the study was to develop a mathematical model for the visualization and evaluation of transversal palatal soft tissue changes; and to carry out a statistical evaluation of the changes in vertical and sagittal dimensions after rapid maxillary expansion treatment.
Material and Methods: 33 Caucasian children with posterior crossbite, 10 boys and 23 girls, aged 7 to 10 years (median 8 years 8 months) were treated with tooth-borne Haas type expander. Dental casts were digitalized by scanner and on the basis of quantitative mesh shape CPD-DCA analysis, coloured morphometrical maps were created. The statistical significance of individual vertex displacements was calculated by performing Hotelling’s T2 paired test. To determine the significance of the vertical and sagittal profile changes, the paired t-test and Wilcoxon signed rank test were carried out in 20 patients
Results: Visualization of the palatal soft tissue widening showed it to be greatest in the areas of the second deciduous and first permanent molars with maximum of 0.75 mm for each palatal side. Hotelling’s T2 paired test showed significant differences of p<0.01 in transversal width dimension. Cephalometric measurements of the changes to vertical and sagittal dimensions were statistically evaluated using the Wilcoxon and paired t-tests, and were shown to have insignificant values of p>0.05.
Conclusion: The expansion appliance in children resolved the crossbite and led to palatal widening, which was clearly visualized by creating mathematical morphometric models. The cephalometric measurements carried out did not reveal statistically significant relevance in changes to facial vertical or sagittal dimensions.
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