Health
Researchers Find Oral Bacteria Presence in Cerebral Emboli of Stroke Patients
Scientists at Tampere University analyzed the cerebral emboli (blood clots) of stroke patients’ brains and made an astonishing discovery. For the first time, they discovered DNA from oral pathogens in the cerebral clots.
The findings of the research were published in the May 2019 issue of the prestigious Journal of American Heart Association, reported Science Daily.
When stroke patients came into Emergency Rooms for treatment, neurointerventional radiologists removed the pesky clots known as thrombus aspirates from 75 of these stroke patients. The thrombus aspirates samples were analyzed by the scientists who discovered that 79% of the aspirates contained oral bacterial DNA in them. The samples were analyzed following the duplication of the bacterial DNA.
Tampere University is involved in the study of the consequences of bacterial infection in the development of cardiovascular diseases over the past ten years. Their study is a part of this research project. An older study discovered the same odontogenic bacteria in the coronary artery stenoses of patients who seemed to have suddenly died.
These bacteria were also present in samples taken from:
- Blood clot blockages and arterial blood of myocardial infarction patients
- Ruptured weak cerebral blood vessels and blood clot blockages of patients with lower limb arterial and venous thrombosis
Most of these blood clots (thrombi) originate in the carotid artery stenoses of the circulatory system. As blood circulates all the time, the clots break off and travel to block circulation in delicate cerebral arteries. In fact, 87 % of the strokes are caused due to cerebral artery thrombosis.
The new study has discovered a copious amount of viridans streptococcus DNA in cerebral thrombi when compared against normal blood samples taken from the same patient. Viridans Streptococcus is a commonly found oral bacteria. It is completely harmless when present in the oral cavity. However, when streptococci enter the circulatory system, they may cause infection in the cardiac valves, among other things. The bacterium also tends to directly bind with various platelet receptors, thereby enabling more blood clots to form in the bloodstream.
If this research doesn’t encourage you to maintain your oral health and practice good dental hygiene, nothing else will. Untreated dental infections can have a severe effect on your overall health and even cause loss of life. Get your dental problems addressed as soon as possible to lead a healthier and longer life.
Health
Precision with Compassion: How Dr. Nader Amiran Balances Clinical Expertise with Human Connection
Somewhere along the way, healthcare became fast, technical, and transactional. Patients learned to nod along, accept explanations they barely understood, and hope the treatment worked.
Dr. Nader Amiran chose a different path. At AIRE Dental Group, he has built a reputation not just for clinical accuracy, but for the way he connects with people before he ever connects the data. His work sits at the intersection of science and trust, where listening is not a courtesy, but a diagnostic tool.
For Dr. Amiran, empathy is not a soft skill layered on top of technical expertise. It is the foundation of precision. He believes you cannot treat what you do not fully understand, and understanding begins long before imaging or exams. It starts with hearing how a patient lives, where their discomfort shows up, and how long they have been carrying it.
This philosophy shapes every interaction in his practice. Consultations are unhurried. Questions are encouraged. Patients are not rushed toward conclusions. Instead, Dr. Amiran takes time to understand the full picture, knowing that pain rarely exists in isolation. Jaw discomfort, headaches, or bite changes often come with frustration, fear, or confusion after years of unanswered questions. Those emotions matter because they influence how patients experience care.
One of the defining elements of his approach is how he explains complex findings. Dentistry, especially TMJ and functional care, can feel overwhelming. Dr. Amiran makes it accessible. He uses visuals, models, and imaging to show patients what is happening inside their own bodies. The goal is clarity, not complexity. When patients understand what is causing their symptoms, anxiety gives way to confidence. Studies have shown that patients forget between 40% and 80% of the medical information provided by healthcare practitioners immediately, which highlights the importance of clear explanations and visual education during consultations.
This commitment to education did not come without challenges. Early in his career, Dr. Amiran often treated patients who had already seen multiple providers and still felt stuck. Many had received treatment without ever truly understanding their diagnosis. Those experiences reinforced an important lesson: even the most accurate clinical decision loses impact if the patient feels excluded from the process. The role of patient education in improving compliance and treatment outcomes has been widely supported in clinical literature evaluating communication strategies in healthcare (Kessels, 2003).
In response, he made education central to care. Treatment plans are discussed in plain language, with a clear explanation of why each step matters. Patients are invited into the decision-making process rather than being handed instructions. This approach builds trust, but it also improves outcomes. When people understand their condition, they are more engaged and more invested in maintaining progress. Studies evaluating patient-centered care models have demonstrated that involving patients in treatment decisions improves adherence and satisfaction rates (Street et al., 2009).
Precision still plays a critical role. Dr. Amiran relies on advanced diagnostics, careful evaluation, and evidence-based planning. Technology provides valuable insight, but he is clear about its role. Data informs decisions; it does not replace judgment. Imaging shows structure, but listening reveals context. Together, they create a more complete understanding than either could alone.
What sets his work apart is how seamlessly these elements come together. Clinical accuracy does not overshadow compassion, and empathy does not dilute rigor. Each strengthens the other. By treating patients as partners rather than problems to solve, Dr. Amiran creates an environment where healing feels collaborative, not imposed.
At AIRE Dental Group, patients often describe a shift in how they experience care. For the first time, they feel heard. For the first time, the explanation makes sense. That sense of clarity changes everything. It turns treatment from something that happens to them into something they actively participate in.
Dr. Nader Amiran’s approach challenges a common assumption in modern medicine: that efficiency and empathy cannot coexist. His work proves they can. When precision is guided by understanding, results last longer, trust runs deeper, and care feels human again.
In a field driven by innovation, his philosophy is a reminder that the most powerful tool in dentistry is still the ability to listen.
References:
Kessels RPC.
Patients’ memory for medical information.
Journal of the Royal Society of Medicine. 2003.
Street RL, Makoul G, Arora NK, Epstein RM.
How does communication heal? Pathways linking clinician–patient communication to health outcomes.
Patient Education and Counseling. 2009.
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