Articles tagged with Teeth
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Nearly 20 million teeth are extracted annually, affecting patients' psychological well-being. Dr. Kiyak's course discusses ways to cope with tooth loss, including reviewing replacement options and testimonials from others who have undergone similar procedures. A great smile can boost self-esteem, confidence, and overall health.
A recent clinical trial found that xylitol syrup administered daily to toddlers from 6-15 months old significantly reduced tooth decay. The study showed nearly 76% of children in the xylitol group were caries-free, compared to 48% in the control group.
A study of 206 pregnant women found that mothers with low vitamin D levels had children more likely to develop early childhood tooth decay, while those with adequate levels had children with fewer enamel defects. Vitamin D consumption and prenatal use also influenced the risk.
Primary care physician dental referrals increased access to dentists for children with tooth decay, but utilization remained low. Factors such as child age, general dentist availability, and rural location influenced referral effectiveness.
Researchers have developed a novel hydrogel system using multidomain peptides as a biomimetic scaffold, enabling the directed differentiation and function of dental stem cells for targeted dentin-pulp complex regeneration. The material provides high control over nanofiber architecture and better chemical functionality.
A recent study published in Globalization and Health reveals that fluoride toothpaste is prohibitively expensive for the world's poorest populations. The researchers found that as per capita income decreased, the proportion of income needed to purchase a year's supply of toothpaste increased, with the poorest being hardest hit.
A study of 1,956 pre-schoolers found that tooth grinding during sleep was associated with worse pre-school adjustment, including social withdrawal and behavioral issues. Parents' reports of tooth grinding may be a sensitive indicator of bruxism in young children.
A study of 290 dental patients found bacteria in the blood after tooth brushing and extractions, but with lower incidence than expected. The researchers suggest that good oral hygiene can reduce the risk of heart valve infection by reducing gingival disease and bacterial species associated with IE.
A nationwide study of 2,635 women found a significant link between pregnancy and tooth loss, with women having more children being more prone to missing teeth. The study suggests that biological and behavioral changes during pregnancy and childbirth may contribute to tooth loss.
Researchers have found that the ancient human 'Nutcracker Man' did not eat nuts, contrary to previous assumptions. The study used microscopy and fractal analysis to examine marks on the teeth of Paranthropus boisei, suggesting that dietary preferences were based on scarcity rather than a regular diet.
Researchers found that Paranthropus boisei's teeth showed little pitting indicative of eating hard foods, suggesting a more general diet than previously thought. This challenges the idea that their anatomy was specialized for a specific diet.
A 40,000-year-old tooth reveals direct evidence of Neanderthal movement over lifetimes. The analysis of strontium isotope ratios in the enamel indicates that the individual lived in a different location than where the tooth was found.
The Hall Technique, a simple method of filling teeth with preformed metal crowns, has been shown to be effective in slowing or stopping tooth decay. Children who received the Hall Technique experienced significant improvement in their dental health, including reduced pain and abscesses compared to traditional 'drill and fill' methods.
A study published in the Journal of the American Dental Association found that patients were more satisfied with their own smiles than dentists, rating them an average 59.1 on a 100-point scale. The researchers suggest that this disparity may be due to differences in perception and assessment methods.
A recent survey found that nearly half of respondents would choose an endodontist for their root canal procedure. The American Association of Endodontists reports that endodontists perform an average of 25 root canals per week, significantly more than general dentists who perform about two a week.
Nigersaurus taqueti is a 110-million-year-old plant-eating dinosaur with a unique skull structure, featuring hundreds of needle-shaped teeth and a broad, straight-edged muzzle. Its distinctive anatomy allowed it to efficiently crop plants near the ground, making it an unusual example among sauropods.
A study published in JADA found that tooth loss is linked to an increased risk of developing dementia. Researchers proposed several possible reasons for the association, including periodontal disease and early-life nutritional deficiencies.
Researchers at the University of Helsinki discovered that a weak inhibitory cascade in mouse molars may cause the last molar to develop in humans. They developed a mathematical model predicting tooth proportions and numbers across various species, including humans.
Consuming acidic foods and beverages can lead to tooth erosion, causing decay and damage to dental enamel. Dr. Bartlett advises patients to wait at least 20 minutes before brushing after eating or drinking an acidic food or beverage, and to minimize snacking throughout the day.
Severe human bite wounds are 12 times more common in men, with most injuries occurring during brawls on weekends or public holidays. Eighty-six percent of cases involved alcohol, and 65% of facial injuries were to the ear.
New nanocomposites may mean more durable tooth fillings, according to scientists at NIST. The researchers' technique solves a problem with standard composite resin fillings by producing stronger and more effective restorations.
A NYU College of Dentistry research team analyzed caries and periodontal disease rates in over 1,500 immigrants from various countries. The study revealed significant ethnic differences, with Puerto Ricans, Haitians, and Indians more likely to suffer from periodontal disease, while Hispanics were more prone to dental caries.
The ForsythKids program provides elementary school children with oral health education, dental exams, cleanings, and preventive care. After two rounds of treatment, there was virtually no new tooth decay among enrolled children. The program has already met and exceeded Healthy People 2010 goals in just three years.
A recent study by Alexander Chernev reveals that consumers perceive specialized products to be superior on a single attribute, even when the description is the same. This 'zero-sum heuristic' suggests that advantages in one area are compensated by disadvantages in another.
Researchers at University at Buffalo are testing a nasal spray anesthetic and ozone delivery device to eliminate drilling and injections in dental procedures. The studies aim to improve patient comfort and reduce pain associated with dental care.
Researchers successfully regenerated tooth root and supporting periodontal ligaments using stem cells harvested from wisdom teeth. The technique shows promise for restoring tooth function in human patients.
Researchers have successfully regenerated tooth root and periodontal ligaments using stem cells harvested from wisdom teeth. The technique shows promise for clinical application in human patients, offering an alternative to dental implants for those who don't have sufficient jaw bone.
Researchers analyzed tooth enamel to determine early human relatives' diet, finding seasonal variations in leaves, fruit, seeds, roots, and possibly grazing animals. This study sheds light on the variability of human diets over time, suggesting that it has been a key factor in modern humans' ability to adapt to different environments.
Research suggests that common antacids like lansoprazole can interfere with bacteria that cause plaque buildup and gingivitis. By disabling these bacteria, the compounds may prevent inflammation and damage to gums. If confirmed in future studies, these compounds could be widely available in oral care products.
A pig-sized, tusked creature discovered in Eritrea represents a missing link between ancient elephants and their modern counterparts. The finding suggests that mastodons and elephants originated in Africa, contradicting previous theories that placed their origins in Europe and Asia.
Research by Boston University links periodontal disease to increased stroke risk in older adults. The study suggests that periodontitis may be a marker for negative effects of risk factors common to both conditions.
Rutgers scientists have developed a polymer-based drug delivery system to kill bacteria that attack gum tissue during periodontal disease, promoting healing and regeneration of tissue and bone around teeth. The system treats bacterial infection, inflammation, and pain with pharmaceuticals incorporated into the material itself.
Researchers have developed a method to reconstruct historic climate and vegetation changes in the Great Plains using ancient bison teeth. The study found that bison teeth can provide information on grassland productivity, temperature patterns, and carbon dioxide levels, shedding light on past climate fluctuations.
A new tooth whitening procedure developed by Dr. Kim L. Capehart has been found to significantly lighten stubborn tetracycline stains, saving patients over $10,000 in dental restorative fees. The treatment involves a combination of prescription fluoride toothpaste, UV light, and customized trays.
The study found that water fluoridation continues to be a cost-effective preventive measure, with annual per person savings ranging from AUS$56 in the 1970s to AUS$18 in the 1990s. However, the cost-saving benefits may decline with age due to plateaued new tooth decay and higher periodontal treatment needs.
Researchers present Phase 2 clinical results showing AC-100 stimulates the formation of new dentin, especially in deepest cavities. The study demonstrates a novel biological approach to promoting dentin formation as a supplement to routine dental care.
Dental stem cells have been characterized for their potential to differentiate into various tooth tissue types. The study aims to define the molecular and differentiation profiles of these cells, enabling ongoing tooth tissue engineering efforts.
Researchers found that cranberry flavonoids can inhibit the formation of dental plaque polysaccharide matrix, block bacteria adherence, prevent acid formation, and reduce acid tolerance of cariogenic organisms. These compounds may serve as potential anti-caries/anti-plaque agents.
Dr. Mina has researched fundamental aspects of craniofacial development for 18 years, focusing on tooth formation and patterning. Her work has been well-supported by grants and has successfully supervised numerous doctoral fellows.
The study presents a comprehensive overview of oral health research worldwide, highlighting the high risk of dental caries in rural children and adolescents. It emphasizes the importance of preventive efforts, education, and public awareness to improve oral health outcomes.
Researchers conducted two large studies on children with dental amalgam fillings and found no adverse health effects. Despite initial concerns about mercury poisoning, the studies concluded that children exposed to amalgam had low levels of mercury in their urine and no measurable signs of damage to the brain or kidneys.
Research from diverse countries highlights the prevalence of oral conditions and dental caries among vulnerable populations. Studies have shown a strong correlation between socio-economic status and oral hygiene, as well as a higher risk of adverse oral conditions for those with lower education levels.
A recent study by Dr. Elizabeth Krall Kaye found that cigarette smokers are 70% more likely to need root canal treatment than nonsmokers. Quitting smoking is linked to a lower risk of needing the procedure.
Researchers have found a naturally occurring mutant chicken called Talpid with a complete set of teeth, similar to those of crocodiles. The team successfully induced teeth growth in normal chickens by activating dormant genes, paving the way for potential applications in tissue regeneration and tooth replacement.
Primates, including early humans, evolved to avoid predators, not hunt them. This theory suggests that intelligence and social skills developed as a result of outsmarting predators, leading to modern human traits like cooperation and socialization.
A randomized study found that fluoride varnish significantly reduced tooth decay risk in young children, with no adverse events reported. The study's results support the use of fluoride varnish to prevent tooth decay in very young children and highlight the importance of early dental visits.
Researchers analyzed data from over 41,000 adults and found a significant association between tooth loss and heart disease, even among those who had never smoked. The study highlights the importance of promoting good oral health to prevent cardiovascular disease.
Harvard researcher Martin Nweeia discovers that the narwhal's tooth has hydrodynamic sensor capabilities, allowing it to detect salinity and particle gradients in Arctic waters. This unique adaptation enables the whales to survive in their icy environment and potentially discern prey.
Scientists have discovered that Streptococcus mutans, a decay-causing organism, can survive without the SRP pathway. The bacteria altered to lack SRP components were able to adapt and survive gradual increases in acid resulting from their own metabolism.
Dental researchers discovered that cranberry juice acts like Teflon for teeth, preventing bacteria from clinging to surfaces. Cranberry juice also disrupts the formation of plaque by inhibiting enzymes that build dental plaque.
A study of 1,775 patients found that periodontal disease was the leading cause of tooth loss in individuals over 35. The most common medical history findings were diabetes mellitus and hypertension, with men being more likely to experience tooth loss due to periodontal reasons.
A recent study by researchers at the University of Helsinki has identified a key gene called ectodin that regulates tooth shape formation. The team found that mice lacking functional ectodin have abnormal teeth with broader cusps and extra teeth, highlighting the importance of ectodin in maintaining tooth development.
A recent study found that implant-placed overdentures have a cumulative survival rate of 95.4% after 10 years, with success rates of 87.3% for maxilla implants and 99.5% for mandible implants. This procedure provides improved chewing function and confidence for individuals with missing teeth.
Vitamin D and calcium deficiencies may increase the risk of periodontitis due to inflammation and bone loss. Research suggests that obtaining adequate vitamin D through sunshine or fortified foods is crucial to prevent this.
A significant proportion of young adult patients examined had well-established periodontal disease despite no signs or symptoms. Women affected by this disease faced a higher risk of preterm birth and other pregnancy complications, corresponding to systemic inflammation indicators.
Researchers have developed a new dating technique using radioactive carbon-14 in tooth enamel, which can accurately determine a person's age at the time of death within 1.6 years. This method can help forensic scientists identify victims of disasters like Hurricane Katrina and narrow down search efforts.
A study by USC researchers has identified two competing proteins, DSP and DPP, that influence the strength of tooth enamel. Over-expression of DSP increases enamel hardness, while over-expression of DPP creates pitted and chalky enamel prone to fracture and wear.
A study of 259 children undergoing bone marrow transplantation found that tooth decay was the most common dental problem, often caused by neglected oral hygiene and poor nutrition. Children with dental abnormalities were more likely to develop therapy-related caries if they underwent immunosuppression as part of their treatment.
Researchers used new software to analyze fossilized tooth surfaces, revealing that early humans like Australopithecus africanus ate tougher leaves and Paranthropus robustus ate harder foods. The study also showed unexpected variability in the samples, suggesting both species relied on less preferred foods during periods of scarcity.
Researchers used a novel technique to study the diets of ancient humans, Australopithecus africanus and Paranthropus robustus. The analysis revealed significant overlap in their diets, with P. robustus consuming both hard and tough foods.