1. VIRAL INFECTIONS OF ORAL CAVITY ALIYA Z. RAZA FINAL YEAR BDS. 2. VIRAL INFECTION o HERPES SIMPLEX VIRUS o VARICELLA o INFECTIOUS MONONUCLEOSIS o HERPANGIA o HAND-FOOT AND MOUTH DISEASE o ACUTE LYMPHONODULAR PHARYNGITIS o MEASLES o MUMPS o HIV. 3. HERPES SIMPLEX VIRUS • The Type 1 virus causes cold sores viral infections of the oral cavity 1. HERPES SIMPLEX VIRUS (HSV) INFECTION The herpes viridae family of viruses contains nine different viruses that are pathogenic in humans In general, infections above the waist are caused by HSV -1 and hose below the waist by HSV -2,although with changing sexual practices, it is not uncommon to culture HSV -2 from oral lesions and vice versa The most common. Examination of the oral cavity should routinely be performed as the oral mucosa is often the first site affected by viral infections. A thorough medical history together with a detailed examination will result in an accurate diagnosis for the majority of viral lesions affecting the oral cavity, resulting in appropriate patient care Title: Oral Surgery And Oral Infections 1 Oral Surgery And Oral Infections. By Terri and Premlata; 2 Oral Surgery. Includes The diagnostic and surgical treatment of diseases, injuries, and defects involving both the junctional and the esthetic aspects of the hard and soft tissues of the oral and maxillofacial regions. 3 Types of Oral Surger
. • Obligate intracellular parasites - enters host cell in order to replicate. • 3 most commonly encountered virus families in the oral cavity: • Herpes virus. BACTERIAL, VIRAL & MYCOTIC INFECTIONS Prepared by: Dr Sundeep S Bhagwath . We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads Viral Infections: an overview - PowerPoint PPT Presentation. This has been designated as a pay-to-view presentation by the person who uploaded it. And this concludes its free preview. You can view it all now for just $ ( More info... ) I've already paid for this presentation and would like to view it now
A. Viral infections whose main symptom is blistering 429 23 percent of children aged 9 have the antibodies. The age of initial infection has risen in recent years; varicella in adults is increas-ing. In adult cases, varicella is often accompanied by encephalitis and pneumonia, and it can easily become severe. Tzanck test is useful for early. This article focuses on common viral infections in the oral cavity with associated systemic manifestations. Discussed are the clinical features, histopathology, diagnosis, treatment, and prevention of viral infections in oral cavity. This will be a useful aid for general practitioners and other dent The viral infection causes a rash of blisters to form in and around the mouth, feet, and hands. These blisters are often accompanied by a runny nose, sore throat, fever, and poor appetite. The infection usually goes away on its own after about a week or so, and can be treated with proper oral hydration
Gingivitis. Oral Herpes. Herpangina. Syphilis. There are a number of infections that can affect the mouth. These may be caused by bacteria, viruses, or fungi. With any condition, it is important to contact your healthcare professional to get the proper treatment that will help your specific condition Bacterial Infections Of Oral Cavity PowerPoint PPT Presentations. Bacterial Flora in Human Oral Cavity - Human Oral Cavity Made by Luan Yijun, Zhang Yanhui, Liu Junying, Li Na, Xuxia, Liu Song, Wang Ge, Zhang Tianqi, Ying Wanggui, Li Shengfeng 1.Normal flora in human.
Members of the human herpesvirus (HHV) and human papillomavirus (HPV) families cause the most common primary viral infections of the oral cavity. HPV infections have received particular attention in recent years, as high-risk strains have been linked to some cases of oral squamous cell carcinoma . ALAA HUSSAIN A.AWN Figure 14.13 Oral Kaposi's sarcoma. A full examination is important to detect disease that may affect the palate, gums, fauces | PowerPoint PPT presentation | free to vie The sores most likely result from exposure to the irritants, toxins, and carcinogens found naturally in tobacco products but may also result from the drying effects on the lining of the mouth, the high temperatures in the mouth, changes to the acidity of the mouth, or decreased resistance to viral, bacterial, and fungal infections Oral Infections. Infections of the mouth and oral cavity can be caused by a variety of pathogens, including bacteria, viruses, and fungi. Many of these infections only affect the mouth, but some can spread and become systemic infections. Table 1 summarizes the main characteristics of common oral infections Oral viral infections of adults JØRGEN SLOTS The ﬁeld of virology has advanced greatly over the past two decades, mainly because of the introduction of sophisticated molecular tools, such as monoclonal antibodies, polymerase chain reaction (PCR)-based ampliﬁcation, DNA sequencing, DNA and protei
5. Hand, Foot, and Mouth Disease. Hand, Foot, and Mouth disease is a viral infection in the mouth and other parts of the body that typically affects toddlers and school-aged children, according to the University of Chicago. It is likely caused by the virus Coxsackie A16. It sounds scary, but the infection often disappears within three days ¥ Viral Infections Are DifÞcult to Treat ÐMutation rates are high ÐViruses hide within cells Basic Aspects of viral infection and disease ¥Noncellular and nonliving submicroscopic entities ¥Obligate intracellular parasites ¥Viral respiratory infections ÐInfants in Þrst year >6 on average ÐAdults usually have 3 to 4 a year ÐSigns and.
- Oral bioavailability 15-30% - T 1/2 3 hrs - Primarily renally excreted • Toxicities - Headache, nausea - Renal - Neurologic • Resistance - Mediated by mutations in viral thymidine kinase and/or viral DNA polymerase genes • TK-deficient and TK altered virus can be produced - Clinically significant infections can be caused. Increasingly, viral infections have been diagnosed using an oral sample (e.g. saliva mucosal transudate or an oral swab) instead of blood or urine. The results of two studies using a rapid and semi-quantitative lateral flow assay format demonstrating the correlation of HIV anti-IgG/sIgA detection with saliva and serum samples are presented In the prevaccination era, 80% of women were already infected by Preconception minimal risk. 0-12 weeks 100% risk of fetus being congenitally infected - A free PowerPoint PPT presentation (displayed as a Flash slide show) on PowerShow.com - id: be13a-ODYy Chart and Diagram Slides for PowerPoint - Beautifully designed chart and diagram s for PowerPoint with visually stunning graphics and animation effects. Our new CrystalGraphics Chart and Diagram Slides for PowerPoint is a collection of over 1000 impressively designed data-driven chart and editable diagram s guaranteed to impress any audience Two identical single-stranded RNA molecules form the HIV genome. The most frequent oral manifestations of HIV infection are opportunistic infections, such as candidiasis (45, 46), and malignancies, such as Kaposi's sarcoma (47, 48). The other most important viral agents associated with oral lesions are reported in Table 1. The association.
Viral pathogenesis comprises of several stages, including (1) transmission and entry of the virus into the host, (2) spread in the host, (3) tropism, (4) virulence, (5) patterns of viral infection and disease, (6) host factors, (7) and host defense View and Download PowerPoint Presentations on Fungal Infection In Oral Cavity PPT. Find PowerPoint Presentations and Slides using the power of XPowerPoint.com, find free presentations research about Fungal Infection In Oral Cavity PPT. About 19 results (0.38 milliseconds Oral manifestations include fungal, bacterial or viral infections of which oral candidiasis is the most common and often the first symptom. Oral HIV lesions cause pain, discomfort, dry mouth, and difficulties swallowing. Early detection of HIV-related oral lesions can be used to diagnose HIV infection and monitor the disease's progression
HSV-2 is a sexually transmitted infection that causes genital herpes. Both HSV-1 and HSV-2 infections are lifelong. An estimated 3.7 billion people under age 50 (67%) have HSV-1 infection globally. An estimated 491 million people aged 15-49 (13%) worldwide have HSV-2 infection. Most oral and genital herpes infections are asymptomatic Oral candidiasis. This is the most common intra-oral lesion seen among HIV infected individuals. In African studies, the prevalence ranged from 15% to more than 80% in HIV+ adults. The most common organism involved with the presentation of candidiasis is Candida albicans No Cure AIDS Acquired Immunodeficiency Syndrome HIV is the virus that causes AIDS Disease limits the body's ability to fight infection A person with AIDS has a very weak immune system No Cure Chapter 21.2 Key Terms Helper T Cell- white blood cell that activates the immune response and that is the primary target cell of HIV infection. Odontogenic orofacial infections arise either from dental caries or periodontal infections that have extended beyond the alveolar bone to involve the fascial spaces around the face and oral cavity. These infections tend to spread along planes of least resistance from the supporting structures of the affected tooth Abstract. A wide range of viral infections can give rise to oral manifestations and/or may reside within the mouth. A smaller range of fungal infections, notably Candida species, may affect the mouth, although deep mycotic infections such as histoplasmosis, aspergillosis, mucormycoses and paracoccidioidomycosis may occasionally give rise to oral manifestations
. Candida is a normal organism in your mouth, but sometimes it can overgrow and cause symptoms. Oral thrush causes creamy white lesions, usually on your tongue or inner cheeks Epidemiology - Contagious & Droplet infection . Incubation Period - 12-days . Symptoms - Appearance of rash changing into pustules, scabs and falling. Prophylaxis - Smallpox vaccine. Therapy - No case reported after 1978. Viral Disease # 3. Poliomyelitis: Pathogen - Polio-virus (RNA-virus) Epidemiology - Direct & oral Viral infections are a significant cause of morbidity and mortality in immunosuppressed patients. It is clear that diseases or medical treatments that have cytostatic or cytotoxic effects on lymphocytes and disrupt cytokine production or activity increase the risk of viral infections. While the rate
Oral viral infections of adults. Oral viral infections of adults. Oral viral infections of adults Periodontol 2000. 2009 Feb;49:60-86. doi: 10.1111/j.1600-0757.2008.00279.x. Oral Ulcer / virology Papillomaviridae / pathogenicity Periodontitis / virology. We live in a time of rapid development of antiviral compounds. For selective chemotherapy of viral infections, a drug should inhibit virus replication when used at concentrations not detrimental to the host. A number of antiviral drugs have been formally licensed and are widely used for the chemotherapy of specific viral infections. Other antiviral agents are being developed
. Journal of Infectious Diseases 2009;199:1263-1269. Kreimer AR, Alberg AJ, Daniel R et al. Oral human papillomavirus infection in adults is associated with sexual behavior and HIV serostatus About. Candidiasis is an infection caused by a yeast (a type of fungus) called Candida.Candida normally lives on the skin and inside the body, in places such as the mouth, throat, gut, and vagina, without causing any problems. 1 Sometimes, Candida can multiply and cause an infection if the environment inside the mouth, throat, or esophagus changes in a way that encourages fungal growth Viral infections Differential diagnosis Herpes simplex (HSV 1) Primary herpetic stomatitis Herpes labialis Herpetic whitlow Varicella Zoster (HSV 3) Chicken pox Shingles Epstein-Barr virus Infectious mononucleousis (glandular fever) Hairy leukoplakia - For information, please find in the White Lesions lesson Coxsackie Hand foot and mouth disease Herpangina Kaposi sarcoma virus Kaposi sarcoma.
If only the periodontal microbiota could talk. Presented in Part 2 of this three-part series is a second biological mechanism I hypothesize may increase the risk for COVID-19 and/or its complications, namely how bacterial pathogens in the respiratory tract may predispose to influenza and other viral infection. 1 To reiterate what I wrote in Part 1, this is a hypothetical link; it has never. Other infections are less likely to spread through oral sex, though infection is still possible. higher viral loads or higher quantities of the virus in the blood make the virus more contagious Infections of the respiratory tract are grouped according to their symptomatology and anatomic involvement. Acute upper respiratory infections (URI) include the common cold, pharyngitis, epiglottitis, and laryngotracheitis (Fig. 93-1). These infections are usually benign, transitory and self-limited, altho ugh epiglottitis and laryngotracheitis can be serious diseases in children and young. However, many other viral infections can affect the oral cavity, either as localized or as systemic infections. Recurrent HHV type 1, or HSV-1, is occasionally observed intraorally, typically affecting only keratinized tissues (mucosal tissue bound to bone) inside the oral cavity (eg, gingiva or hard palate) Sinus infections are caused by virus, bacterium or fungus. They grow within the sinus and causes blockage of sinus ostium. The symptoms include pain in the sinuses, fever, sore throat, sinus headache and cough. Related journals of Sinus Infections
xxx00.#####.ppt 3/27/19 10:21:07 AM HSV Keratitis • Primary HSV infection • Patients may have a history of perioral cold sores- also ask for family members with a history of this. • Can initially manifest as unilateral - can be recurrent, conjunctivitis. (Follicular) • May have had a history of vesicles on eyelid as initial presentation The most common group A streptococcal (GAS) infection is acute pharyngotonsillitis (pharyngitis), which manifests as sore throat with tonsillar inflammation and often tender anterior cervical lymphadenopathy, palatal petechiae, or a strawberry tongue.Purulent complications of pharyngitis include peritonsillar or retropharyngeal abscesses, suppurative cervical adenitis, and rarely, sinusitis.
Ethmoid sinuses Comprise 3 to 15 air cells on each side, with each maintaining a separate path to the nasal chamber Classifications of Rhinosinusitis Acute rhinosinusitis May be of viral, bacterial, or mixed viral-bacterial origin May last from 5 to 7 days up to 4 weeks Subacute rhinosinusitis Lasts from 4 weeks to less than 12 weeks Chronic. A viral infection occurs when an organism's body is invaded by pathogenic viruses, and infectious virus particles (virions) attach to and enter susceptible cells. Examples are: Human papilloma virus, hepatitis, herpes and human immunodeficiency virus. Related Journals for Viral Infections The methods of treating glossitis vary depending on the cause. If glossitis stems from a bacterial, fungal, or yeast infection, your medical or dental professional may prescribe a medication to alleviate the symptoms and heal the infection. A doctor can recommend a routine plan to treat the symptoms at home for viral or genetic conditions
Feline Respiratory Infections in Animal Shelters Revised July 2018 4 occur for up to 3 months. Chlamydophila causes mostly ocular signs, including conjunctivitis, chemosis, and blepharospasm. This bacterial pathogen can be shed in ocular discharges for up to 2 months Herpesvirus infection, also known as feline viral rhinotracheitis (FVR), is an infectious disease caused by feline herpesvirus type-1. As with other herpes viruses, the virus is very species specific, and is only known to cause infections in domestic and wild cats. The virus can infect cats of all ages Viral skin infections tend to be much more aggressive and virulent if the immune system, especially the T-cell system, is inadequate. The classical example is in HIV and skin disease but unusual and gross viral infections of the skin may occur in any condition in which immunity is impaired Viral Skin Infections. Viral skin infections can range from mild to severe and often produce a rash. Examples of viral skin infections include: Molluscum contagiosum causes small, flesh-colored bumps most often in children ages 1 to 10 years old; however, people of any age can acquire the virus. The bumps usually disappear without treatment, usually in 6 to 12 months
Oropharyngeal Human Papilloma Virus (HPV) Infection. Human papilloma virus (HPV), commonly known as the virus that causes genital warts and cervical cancer in women, is increasingly being recognized now as a cause of infections that colonize the back of the mouth (throat or oropharynx), including the tongue base and tonsils, and potentially a. Oral pleconaril, a capsid binder, was effective in 2 randomized trials 128 ; however, its future development remains unclear after initial FDA rejection due to concerns regarding viral resistance and reduced effectiveness of oral contraceptives. 129 Vapendavir, another capsid binder, decreased HRV viral load in an experimental infection model. Herpes simplex viruses (human herpesviruses types 1 and 2) commonly cause recurrent infection affecting the skin, mouth, lips, eyes, and genitals. Common severe infections include encephalitis, meningitis, neonatal herpes, and, in immunocompromised patients, disseminated infection. Mucocutaneous infections cause clusters of small painful. Emerging infection is the infectious disease that has increased rapidly compared to the past condition and tends to increase in the future.Emerging infectious diseases range 12% of all the total deadly pathogens which can cause fatal effects.. Emerging infections are caused by newly identified species or strains of bacteria, virus, pathogens or any microbial organism that may have evolved from.
2 Viral Replication: Basic Concepts • Replication cycle produces-Functional RNA's and proteins-Genomic RNA or DNA and structural proteins• 100's-1,000's new particles produced by each cycle-Referred to as burst size-Many are defective-End of 'eclipse' phase• Replication may be cytolytic or non-cytolytic Steps in Viral Replication: Attachmen Infection Control and Prevention Maria del Rosario, MD, MPH Infectious Disease Epidemiology Program www.wvidep.org WVDHHR/BPH/DSDC February 2009 * Objectives Learn about the basic principles of infection and disease. Understand how disease is transmitted. Review infection control measures oral infection manifested by red, edematous gingiva and clusters of small vesicles. Presentation may be abrupt with onset of decreased PO intake, pain, fever, drooling, and bad breath. All oral surfaces may be involved, vesicles appear over 3-5days; vesicles can coalesce and rupture to form large, painful ulcers of oral and perioral tissues
Persons whose immune systems are compromised or suppressed due to infection with HIV, lupus, or cancer therapy, etc., can develop serious symptoms following orf virus infection, including large tumor-like lesions, progressive disease, development of multiple lesions, or erythema multiforme reactions involving rashes on the mucous membranes and. 1. Periodontol 2000. 2009 Feb;49:60-86. doi: 10.1111/j.1600-0757.2008.00279.x. Oral viral infections of adults. Slots J. PMID: 19152526 [Indexed for MEDLINE Introduces the basic methods for infectious disease epidemiology and case studies of important disease syndromes and entities. Methods include definitions and nomenclature, outbreak investigations, disease surveillance, case-control studies, cohort studies, laboratory diagnosis, molecular epidemiology, dynamics of transmission, and assessment of vaccine field effectiveness In terms of how oral infection fits into the big picture of COVID-19, there is much to learn about where SARS-CoV-2 begins, travels within our bodies and finally is cleared, he said. Originally. Although microbiota can help the host fight viral infections, as in the case of influenza, it may also enhance viral infection, either indirectly or directly. One example of the indirect beneficial effects of microbiota on virus replication is the promotion of viral infection by stimulating the proliferation or activation of target cells.
Role of Saliva in Oral Health n Lubrication n Maintenance of mucous membrane integrity n Soft tissue repair n Maintenance of ecological balance n Debredement/lavage n Aggregation n Antibacterial, antifungal, antiviral n Maintenance of pH n Maintenance of tooth integrity Numerous functions, critical to health, that involve saliva. These functions will be addressed during the course The Viral Lipid Envelope. In common with many viruses, such as influenza and herpes simplex, coronaviruses are surrounded by a fatty layer, called a lipid envelope, into which the spike glycoproteins required for infection are inserted ().Viral envelopes are acquired at host cell membranes—some at the plasma membrane, others at internal cell membranes such as the nuclear membrane. Antivirals: Actions. Combat viral infections in reducing the amount of time of the illness, therefore reducing the time of illness or duration. Interfere with the virus's ability to reproduce in a cell; therefore allowing the body to gain control and be able to defend itself
The methods of treating glossitis vary depending on the cause. If glossitis stems from a bacterial, fungal, or yeast infection, your medical or dental professional may prescribe a medication to alleviate the symptoms and heal the infection. A doctor can recommend a routine plan to treat the symptoms at home for viral or genetic conditions were reviewed for cases suggestive of acute viral infection precipitated by HSV. We reviewed all adult cases of acute HSV infection conﬁrmed by viral culture. A single clinician investigator (PJC) performed all Tzanck testing and viral culture. Figure 2: Herpetic whitlow with vesicular skin eruption in a 21-year-old female dental student Viral Diseases. Viraldiseasesare Structural Or Functional Disorder Of An Organism Caused PPT. Presentation Summary : Viral Diseases. Viraldiseasesare structural or functional disorder of an organism caused by infection of viruses Correlation between oral health status and recurrent respiratory infectious disease in a 6- to 15-year-old Kosovar schoolchildren population PPT Version The role of Specific Immunotherapy in reduction of viral infections in asthmatic patients PPT Version | PDF Version; Jan De Backer Functional Respiratory Imaging (FRI) to assess the bio. Encephalitis (en-sef-uh-LIE-tis) is inflammation of the brain. There are several causes, but the most common is a viral infection. Encephalitis often causes only mild flu-like signs and symptoms — such as a fever or headache — or no symptoms at all. Sometimes the flu-like symptoms are more severe. Encephalitis can also cause confused.