Today's RDH
Today's RDH is for curious and passionate dental hygienists. We deliver the latest dental hygiene news, research, and entertainment on your phone, tablet, and computer.
Researchers Identify New Phenotype and Inflammatory Responses Triggered by Oral Biofilm
A study led by researchers from the University of Washington for the first time has comprehensively identified and classified how individuals respond differently to biofilm accumulation. Additionally, they found a previously unrecognized host protective mechanism that prevents inflammatory bone loss during the reversible stage of gingival inflammation, gingivitis.1
Unchecked biofilm can pave the way for gingivitis, causing gingival inflammation, which...
Research Shows Association With Social Isolation and Accelerated Tooth Loss in Older Adults
A study conducted by researchers at NYU Rory Meyers College of Nursing has identified a concerning association between social isolation and tooth loss in older adults, with potential implications for global health. The study, published in Community Dentistry and Oral Epidemiology, reveals that older adults who experience social isolation are not only more likely to have missing teeth but...
Researchers Look at the Relationship of Molar Emergence and Evolutionary Life History
While permanent molars typically appear at ages six, twelve, and eighteen in humans, chimpanzees attain them at a much earlier age: three, six, and twelve years old. A study conducted by researchers from the University of Arizona and Arizona State University investigated the late emergence of adult molars in humans compared to their closest relatives, chimpanzees.1
The evolutionary success story...
Research Examines the Association Between Heartburn Medication and Periodontal Disease Severity
A study conducted at the University at Buffalo has uncovered a potential association between the use of heartburn medication and a reduction in the severity of periodontal disease. The study focused on proton pump inhibitors (PPIs), a class of drugs commonly prescribed for conditions like heartburn, acid reflux, and ulcers.1
The researchers hypothesize that PPIs may influence bone metabolism, the...
Research Finds Potential Association Between Oral Bacteria and High Blood Pressure
Research published in the Journal of the American Heart Association has identified an association between certain oral bacteria and the development of hypertension among postmenopausal women. The potential association may offer new insights into the prevention of this disease in older adults.1
Researchers from the University at Buffalo-State University of New York conducted a comprehensive study involving 1,215 postmenopausal women...
Researchers Find the Mechanism Behind Potential Anticancer Properties in Lidocaine
Lidocaine is a widely used local anesthetic in dentistry, known for its ability to successfully inhibit pain signals from sensory neurons, typically administered through topical creams or injections. Additionally, it has been found to have potential anticancer properties.1
Past research discovered lidocaine's potential anticancer properties, yet the exact mechanism behind this discovery has remained elusive until now. A recent study...
Oral Microbiome and Diet: Researchers Analyze DNA From Ancient “Chewing Gum”
What did people consume along the west coast of Scandinavia 10,000 years ago? A recent study involving the analysis of DNA found in a piece of chewed resin provides insights into their diet. It reveals that their food included deer, trout, and hazelnuts. Additionally, the study highlights that one individual among them had significant dental issues.1
An international research team...
Researchers Use Saliva Analysis to Help Diagnose Pain in Patients with Dementia
Dementia is a pervasive and heartbreaking condition that affects millions of individuals worldwide. As the disease progresses, patients often lose their ability to communicate, making it extremely challenging to identify and treat pain effectively.
This silent suffering has long been a concern for health care professionals and caregivers. However, a study conducted by the Nursing Department at the University of...
Research Reveals an Association Between Primary Teeth Biorhythm and Adolescent Weight Gain
Research led by the University of Kent has identified a fascinating association between a biological rhythm in human primary teeth and weight gain during adolescence. The study by Dr. Patrick Mahoney and an international team of researchers from Kent's School of Anthropology and Conservation discovered that the timing of Retzius periodicity (RP) is associated with mass and weight gains...
Research Explores How Dietary Choices Affect the Oral Microbiome in Postmenopausal Women
The composition of bacteria in our mouths, collectively known as the oral microbiome, is significantly influenced by the foods we consume regularly. Researchers are uncovering that the oral microbiome plays a pivotal role in our overall health beyond its previously known associations with dental caries and periodontal disease.
A recent study conducted by scientists from the University at Buffalo investigated...
The Mystery of Tooth Enamel Defects: A New Autoimmune Disorder Discovered
Tooth enamel is the most mineralized substance within the human body. However, for approximately one in every ten individuals and one-third of children with celiac disease, the enamel exhibits defects. Enamel defects, as seen in amelogenesis imperfecta, render teeth more sensitive to temperature fluctuations and acidic foods, increasing caries risk. The cause of the enamel defects associated with celiac...
Research Suggests Association with Oral Infections and Metabolic Profiles
A recent international study conducted by a collaborative team of researchers suggests an association between common oral infections such as periodontal diseases and caries and inflammatory metabolic profiles. Inflammatory metabolic profiles are related to an elevated risk of cardiometabolic diseases. Additionally, the research highlights how oral infections can predict adverse changes in metabolic profiles. This emphasizes the importance of...
Researchers Find that Viking Age Dentistry Was Probably More Sophisticated than Previously Thought
Viking lore often conjures images of fierce warriors, longships, and far-reaching conquests, but a recent study conducted at the University of Gothenburg reveals another facet of Viking life that might surprise you: advanced dentistry. The findings from examining Viking Age teeth unearthed in Varnhem, Sweden, challenge the conventional perception of Viking dental care. This study sheds light on the...
Research Using AI and 3D Imaging Unveils Unique Terrain of Individual Tongue Surfaces
Recent advancements in Artificial Intelligence (AI) and 3D imaging have uncovered a deeper understanding of the tongue's surface. A study led by researchers at the University of Edinburgh's School of Informatics in collaboration with the University of Leeds has harnessed AI and sophisticated imaging techniques to expose the intricate landscape of the human tongue's surface.1,2
These findings may help us...
Research Explores Innovative Tissue Regeneration for Endodontic Diseases With Potential Beyond Dentistry
Recent research conducted by ADA Forsyth scientists tested new technology that promotes the formation of stem cells that can differentiate into dentin, bone, cartilage, or fat to enhance the treatment of endodontic diseases. Beyond dentistry, it has huge potential for the regenerative medicine field.1,2
The study explores the regenerative potential of resolvins, mainly Resolvin E1 (RvE1), when applied to dental...
Research Explores the Association Between Immune System’s Memory, Inflammatory Systemic Conditions, and Periodontitis
The immune system's ability to remember past encounters with threats like bacteria and viruses is a remarkable asset. However, this immune memory can have both positive and negative effects. While it can be beneficial in fighting off infections, chronic inflammation can lead to a misguided immune response, perpetuating inflammatory conditions.
A study published in the journal Cell describes how innate...