# CoTreat > Dental AI platform and dental library built by dentists. Evidence-based dental content for patients and practitioners in Australia. ## Dental Library CoTreat publishes dentist-written and verified answers to the dental questions patients and dentists ask most. Each page includes a direct answer, a patient explanation, and a clinical perspective for dental professionals. ### Tooth Pain - [Tooth Pain Guide](https://www.cotreat.ai/knowledge/tooth-pain): … - [why does my tooth hurt when chewing or biting ?](https://www.cotreat.ai/knowledge/tooth-pain/why-does-my-tooth-hurt-when-chewing-or-biting): Pain while chewing or biting usually means the tooth or surrounding tissues are irritated, inflamed, cracked, or under pressure. Common causes include tooth decay, inflammation inside the tooth, small cracks, infection near the root, or excessive… - [Why does tooth pain come and go?](https://www.cotreat.ai/knowledge/tooth-pain/why-does-tooth-pain-come-and-go): Tooth pain that comes and goes usually means the tooth is irritated or inflamed but not constantly active. Common causes include early tooth decay, nerve irritation inside the tooth, cracks, bite-related stress, or early infection. Pain may… - [Why does my tooth hurt when I bite down or release?](https://www.cotreat.ai/knowledge/tooth-pain/why-does-my-tooth-hurt-when-i-bite-down-or-release): Pain when biting down or releasing pressure usually means the tooth is reacting to mechanical stress or inflammation. Pain during pressure is commonly linked to irritation around the root or supporting tissues, while sharp pain during release is… - [Can tooth pain go away without treatment?](https://www.cotreat.ai/knowledge/tooth-pain/can-tooth-pain-go-away-without-treatment): Yes, tooth pain can go away without treatment — but this does not always mean the tooth has healed. In some cases, pain disappears because the nerve inside the tooth loses vitality and stops responding, even while infection or disease continues… - [Why does tooth pain worsen at night?](https://www.cotreat.ai/knowledge/tooth-pain/why-does-tooth-pain-worsen-at-night): Tooth pain that worsens at night is commonly associated with inflammation inside the tooth or around the root. Reduced distractions, changes in body position, increased awareness during rest, and progressing inflammation can make pain feel… - [How to differentiate nerve pain vs gum pain?](https://www.cotreat.ai/knowledge/tooth-pain/how-to-differentiate-nerve-pain-vs-gum-pain): Tooth nerve pain usually feels deeper, sharper, temperature-sensitive, throbbing, or spontaneous, while gum-related pain is more commonly associated with soreness, swelling, pressure, or tenderness around the gums and supporting tissues. The… - [What causes sharp vs dull tooth pain?](https://www.cotreat.ai/knowledge/tooth-pain/what-causes-sharp-vs-dull-tooth-pain): Sharp tooth pain is often associated with sudden nerve stimulation, cracks, exposed sensitive areas, or early irritation, while dull tooth pain more commonly reflects deeper inflammation, pressure, or irritation around the root and supporting… - [Why does cold sensitivity linger?](https://www.cotreat.ai/knowledge/tooth-pain/why-does-cold-sensitivity-linger): Cold sensitivity that lingers usually means the nerve inside the tooth remains inflamed even after the cold stimulus is gone. Brief sensitivity can occur with mild irritation or exposed dentin, but prolonged lingering pain is more commonly… - [Why does hot sensitivity indicate severe damage?](https://www.cotreat.ai/knowledge/tooth-pain/why-does-hot-sensitivity-indicate-severe-damage): Hot sensitivity is more concerning because it is commonly associated with advanced inflammation or degeneration of the tooth nerve. While mild cold sensitivity is relatively common, pain triggered by heat often suggests deeper pulpal involvement… - [Can a cracked tooth cause pain without visible damage?](https://www.cotreat.ai/knowledge/tooth-pain/can-a-cracked-tooth-cause-pain-without-visible-damage): Yes, a cracked tooth can cause pain even when no visible damage appears on the tooth or X-ray. Small cracks may alter how force travels through the tooth, triggering pain during chewing, biting, release of pressure, or temperature changes before… - [Why Does My Tooth Hurt When I Lie Down?](https://www.cotreat.ai/knowledge/tooth-pain/why-does-my-tooth-hurt-when-i-lie-down): Tooth pain may worsen while lying down because changes in blood flow and tissue pressure can increase inflammation inside the tooth or surrounding tissues. This pattern is commonly associated with deeper pulpal inflammation, advanced sensitivity,… - [Why Does My Tooth Throb Without Warning?](https://www.cotreat.ai/knowledge/tooth-pain/why-does-my-tooth-throb-without-warning): A tooth may throb without warning when inflammation inside the pulp or surrounding tissues becomes advanced enough to trigger spontaneous pain signals. This is commonly associated with deeper pulpal inflammation, infection-related pressure… - [Can Stress Cause Tooth Pain?](https://www.cotreat.ai/knowledge/tooth-pain/can-stress-cause-tooth-pain): Yes, stress can sometimes contribute to tooth pain indirectly. Stress-related clenching, grinding, muscle tension, and heightened pain sensitivity may create pressure on teeth, supporting tissues, and jaw muscles, leading to discomfort that can… - [Why Does One Tooth Hurt Randomly?](https://www.cotreat.ai/knowledge/tooth-pain/why-does-one-tooth-hurt-randomly): A single tooth may hurt intermittently due to fluctuating inflammation, cracks, bite stress, early pulpitis, grinding, gum irritation, or temperature-related triggers. The pain may feel random because the irritation is not active continuously or… - [Why Does My Tooth Hurt After a Filling?](https://www.cotreat.ai/knowledge/tooth-pain/why-does-my-tooth-hurt-after-a-filling): A tooth may hurt after a filling because the nerve inside the tooth becomes temporarily irritated during treatment or because bite pressure changes slightly after the restoration. In some cases, deeper pulpal inflammation, cracks, or high bite… ### Root Canal - [Root Canal Guide](https://www.cotreat.ai/knowledge/root-canal): Complete guide to root canal — patient explanations and clinical perspectives - [How do you know if a tooth needs root canal treatment?](https://www.cotreat.ai/knowledge/root-canal/how-do-you-know-if-a-tooth-needs-root-canal-treatment): A tooth may need root canal treatment when the pulp (the nerve and blood supply inside the tooth) becomes irreversibly inflamed, infected, or non-vital. Common signs include lingering sensitivity, spontaneous pain, night pain, swelling, pain while… - [Can a tooth without pain need root canal treatment?](https://www.cotreat.ai/knowledge/root-canal/can-a-tooth-without-pain-need-root-canal-treatment): Yes, a tooth can need root canal treatment even without pain. In some cases, the nerve inside the tooth becomes non-vital gradually, allowing infection or apical disease to progress silently without producing strong symptoms. Some teeth requiring… - [What Changes in Tooth Pain Should I Worry About? ](https://www.cotreat.ai/knowledge/root-canal/what-changes-in-tooth-pain-should-i-worry-about): Early tooth nerve inflammation commonly causes brief sensitivity to cold or sweets, while later-stage pulpitis is more likely to cause lingering pain, spontaneous throbbing, night pain, heat sensitivity, or pain during chewing or biting. The… - [Can an Inflamed Tooth Nerve Heal on Its Own?](https://www.cotreat.ai/knowledge/root-canal/can-an-inflamed-tooth-nerve-heal-on-its-own): Some cases of tooth nerve inflammation can recover after the cause is removed, while others progress beyond predictable healing and may require root canal treatment. Brief sensitivity is more common in reversible pulpitis, whereas lingering or… - [Does root canal treatment always remove pain?](https://www.cotreat.ai/knowledge/root-canal/does-root-canal-treatment-always-remove-pain): Root canal treatment often significantly reduces or eliminates pain by removing infected or inflamed pulp tissue. However, some discomfort may persist temporarily because surrounding tissues around the root can remain inflamed even after the… - [Why does pain persist after root canal treatment?](https://www.cotreat.ai/knowledge/root-canal/why-does-pain-persist-after-root-canal-treatment): Pain may persist after root canal treatment because the tissues around the tooth can remain inflamed while healing occurs. In some cases, persistent pain may also be related to remaining infection, cracks, bite-related stress, missed anatomy, or… - [How many sittings does root canal treatment need?](https://www.cotreat.ai/knowledge/root-canal/how-many-sittings-does-root-canal-treatment-need): Root canal treatment may sometimes be completed in a single visit, while other cases require multiple sittings. The number of appointments depends on factors such as infection severity, pain, swelling, tooth anatomy, retreatment complexity, and… - [Root canal vs extraction – which is better?](https://www.cotreat.ai/knowledge/root-canal/root-canal-vs-extraction-which-is-better): Root canal treatment is often preferred when the tooth can still be predictably restored and maintained, because preserving the natural tooth helps maintain chewing and biting function, jaw stability, and surrounding support. Extraction may be… - [What happens if root canal treatment is delayed?](https://www.cotreat.ai/knowledge/root-canal/what-happens-if-root-canal-treatment-is-delayed): If root canal treatment is delayed, pulpal inflammation or infection may continue progressing over time. This can lead to worsening pain, swelling, abscess formation, bone involvement, structural weakening of the tooth, or reduced long-term… - [Can antibiotics replace root canal treatment?](https://www.cotreat.ai/knowledge/root-canal/can-antibiotics-replace-root-canal-treatment): No, antibiotics usually cannot replace root canal treatment when infection is inside the tooth. Root canal treatment removes infected tissue and disinfects the canal system directly, while antibiotics have limited ability to fully eliminate… - [Can a Root Canal Fail Years Later?](https://www.cotreat.ai/knowledge/root-canal/can-a-root-canal-fail-years-later): Yes, root canal treatment can occasionally fail months or even years later. Common reasons include reinfection, leakage around old restorations, missed canals, fractures, new decay, or persistent inflammation around the root. - [Why Does My Tooth Feel Pressure After Root Canal Treatment?](https://www.cotreat.ai/knowledge/root-canal/why-does-my-tooth-feel-pressure-after-root-canal-treatment): Pressure or soreness after root canal treatment can occur because the tissues around the tooth root remain inflamed temporarily even after the infected pulp has been removed. Bite irritation, healing changes, residual inflammation, or structural… - [Why Does My Root Canal Tooth Hurt When Biting?](https://www.cotreat.ai/knowledge/root-canal/why-does-my-root-canal-tooth-hurt-when-biting): Pain while biting on a root canal treated tooth may occur due to inflammation around the root tip, bite imbalance, cracks, persistent infection, or stress on the supporting ligament around the tooth. The pain does not usually come from the removed… - [Why Does a Root Canal Treated Tooth Become Dark?](https://www.cotreat.ai/knowledge/root-canal/why-does-a-root-canal-treated-tooth-become-dark): A root canal treated tooth can become darker over time due to breakdown products inside the tooth, prior pulpal bleeding, internal staining, aging restorations, or changes in how light passes through the tooth after the nerve tissue is removed. - [What Are Signs of Failed Root Canal Treatment?](https://www.cotreat.ai/knowledge/root-canal/what-are-signs-of-failed-root-canal-treatment): Possible signs of failed root canal treatment include recurring pain, swelling, chewing or biting discomfort, gum drainage, pressure sensitivity, recurring infection, or persistent inflammation seen on X-rays. Some failed root canals may also… ## Blog - [Clinical vs Statistical Prediction](https://www.cotreat.ai/blog/clinical-vs-statistical-prediction): Rule-based protocols outperform intuitive judgment. What now? - [The Hidden Power of Incentives](https://www.cotreat.ai/blog/the-hidden-power-of-incentives): What Munger's insight means for dental care. - [Peaches and Lemons: Information Asymmetry](https://www.cotreat.ai/blog/peaches-and-lemons-information-asymmetry): How Akerlof's Nobel-winning concept applies to dentistry. - [The Ring of Gyges](https://www.cotreat.ai/blog/the-ring-of-gyges): Invisibility is the reality of many clinical situations. - [Medicine & Dentistry](https://www.cotreat.ai/blog/medicine-and-dentistry): What can dentistry learn from medicine's systems? - [Trust in Trust](https://www.cotreat.ai/blog/trust-in-trust): Trust can be hacked. Here's how. - [Wild vs Mild Randomness](https://www.cotreat.ai/blog/wild-vs-mild-randomness): Assessing suitability for data analysis in scalable vs non-scalable fields. - [Missing the Outside View](https://www.cotreat.ai/blog/missing-the-outside-view): Where is risk modelling in dentistry? - [Prospect Theory and Transaction Architecture](https://www.cotreat.ai/blog/prospect-theory-and-transaction-architecture): How do service experts seamlessly shift between quick, urgent fixes and high-stakes, expensive jobs? - [Hawthorne Effect vs Big Brother](https://www.cotreat.ai/blog/hawthorne-effect-vs-big-brother): How do we harness oversight without sliding into something Orwellian? - [4 Dental AI Quandaries to Discuss](https://www.cotreat.ai/blog/opportunities-and-risks-that-have-shaped-our-product-s-direction): Opportunities and risks that have shaped our product's direction. - [The Book That Changed My Career](https://www.cotreat.ai/blog/the-book-that-changed-my-career): How Kahneman's Thinking, Fast and Slow reshaped my approach to dentistry. - [Plurality and Contrarian Opinions](https://www.cotreat.ai/blog/plurality-and-contrarian-opinions): Why handing decision making power to one person is a bad idea. ## Research - [Observational Diagnostics: AI-Powered Visual Aid for Dental Practitioners](https://www.cotreat.ai/research/observational-diagnostics-ai-powered-visual-aid-for-dental-practitioners): Explores observational diagnostics as the foundation for AI-powered visual aids in dentistry. - [Face Validation of an Artificial Intelligence Driven Tool for Clinical Triaging](https://www.cotreat.ai/research/face-validation-of-an-artificial-intelligence-driven-tool-for-clinical-triaging): The first study in Australia investigating the accuracy of AI for dental patient triaging - [Harnessing the power of collective intelligence in dentistry: a pilot study in Victoria, Australia](https://www.cotreat.ai/research/collective-intelligence-in-dentistry-a-pilot-study): Explores collective intelligence as an alternative to single-clinician decision making. - [Biomarkers in Oral Disease Screening](https://www.cotreat.ai/research/biomarkers-in-oral-disease-screening): Reviews biomarkers used in screening and early detection of oral diseases. - [Mapping AI-Based Image Analysis for Clinical Decision-Making in Dentistry](https://www.cotreat.ai/research/mapping-ai-based-image-analysis-for-clinical-decision-making-in-dentistry): Investigates AI in image analysis for dental clinical decision-making. - [Precursor Lesions, Overdiagnosis, and Oral Cancer](https://www.cotreat.ai/research/precursor-lesions-overdiagnosis-and-oral-cancer): Critically discusses the concept of overdiagnosis of oral diseases and the limitations of current paradigms. - [Accuracy of Treatment Recommendations by AI](https://www.cotreat.ai/research/accuracy-of-treatment-recommendations-by-ai): Compares AI and pragmatic evidence search against evidence-based guidelines. - [A scoping review of crowdsourcing and collective intelligence in oral healthcare](https://www.cotreat.ai/research/a-scoping-review-of-crowdsourcing-and-collective-intelligence-in-oral-healthcare): Explores the use of collective intelligence and shared decision making in oral health. - [Rampant Caries: What It Is and What It Isn't](https://www.cotreat.ai/research/rampant-caries-what-it-is-and-what-it-isn-t): Clarifies the definition and clinical presentation of rampant caries. - [Determinants of Clinical Decision Making under Uncertainty in Dentistry: A Scoping Review](https://www.cotreat.ai/research/determinants-of-clinical-decision-making-under-uncertainty-in-dentistry-a-scoping-review): Examines how clinicians make decisions on limited heuristics. ## Clinical Authors - [Alexander Ivon King Murdoch](https://www.cotreat.ai/author/alexander-ivon-king-murdoch): Dental Professional - [Alison Lau](https://www.cotreat.ai/author/alison-lau): Dental Professional - [Angela Lay](https://www.cotreat.ai/author/angela-lay): Dental Professional - [Angelie Dao](https://www.cotreat.ai/author/angelie-dao): Dental Professional - [Bree Jones](https://www.cotreat.ai/author/bree-jones): Dental Professional - [Damie Ing](https://www.cotreat.ai/author/damie-ing): Dental Professional - [Daniel Lawrence](https://www.cotreat.ai/author/daniel-lawrence): Dental Professional - [Daniel Tran](https://www.cotreat.ai/author/daniel-tran): Dental Professional - [Dean Baziotis-Kalfas](https://www.cotreat.ai/author/dean-baziotis-kalfas): Dental Professional - [Dr. Max Ganhewa](https://www.cotreat.ai/author/max-ganhewa): Founder & CEO - [Dr. Ravikumar Rajappa](https://www.cotreat.ai/author/ravikumar-rajappa): Researcher (BDS, PGDCR, FHE) - [Dr. Vijji Murthy](https://www.cotreat.ai/author/vijayalakshmi-murthy): Researcher (BDS, B.Ed (Vis Imp), M.Ed (Neurodiversity)) - [Emmy Li](https://www.cotreat.ai/author/emmy-li): Dental Professional - [Jie Chen](https://www.cotreat.ai/author/jie-chen): Dental Professional - [Jonathan Liu](https://www.cotreat.ai/author/jonathan-liu): Dental Professional - [Jordan Blum](https://www.cotreat.ai/author/jordan-blum): Dental Professional - [Keegan Crow](https://www.cotreat.ai/author/keegan-crow): Dental Professional - [Kevin Bai](https://www.cotreat.ai/author/kevin-bai): Dental Professional - [Kruti Mehta](https://www.cotreat.ai/author/kruti-mehta): Dental Professional - [Lee Yen Khoo](https://www.cotreat.ai/author/lee-yen-khoo): Dental Professional - [Mahyar Osanlouy](https://www.cotreat.ai/author/mahyar-osanlouy): Dental Professional - [Marina Bekheet](https://www.cotreat.ai/author/marina-bekheet): Dental Professional - [Min Jae Lee](https://www.cotreat.ai/author/min-jae-lee): Dental Professional - [Monisha Dhawan](https://www.cotreat.ai/author/monisha-dhawan): Dental Professional - [Nimret Atwal](https://www.cotreat.ai/author/nimret-atwal): Dental Professional - [Prof. Dr. Nicola Cirillo](https://www.cotreat.ai/author/nicola-cirillo): Head of Research (DMD(Hons), MDS (Oral Surg), PhD) - [Prof. Michael McCullough](https://www.cotreat.ai/author/prof-michael-mccullough): The University of Melbourne - [Randal von Marttens](https://www.cotreat.ai/author/randal-von-marttens): Dental Professional - [Rodrigo Mariño](https://www.cotreat.ai/author/rodrigo-marino): Dental Professional - [Ruchika Raj](https://www.cotreat.ai/author/ruchika-raj): Dental Professional - [Sarah Sung Hee Cho](https://www.cotreat.ai/author/sarah-sung-hee-cho): Dental Professional - [Su Min Lee](https://www.cotreat.ai/author/su-min-lee): Dental Professional - [Tan Minh Nguyen](https://www.cotreat.ai/author/tan-minh-nguyen): Dental Professional - [Vito Carlo Alberto Caponio](https://www.cotreat.ai/author/vito-carlo-alberto-caponio): Dental Professional - [Weiyu Liang](https://www.cotreat.ai/author/weiyu-liang): Dental Professional - [Xue Li](https://www.cotreat.ai/author/xue-li): Dental Professional - [Youstina Tawadros](https://www.cotreat.ai/author/youstina-tawadros): Dental Professional - [Zunaira Baig](https://www.cotreat.ai/author/zunaira-baig): Dental Professional - [wei chen](https://www.cotreat.ai/author/wei-chen): Dental Professional ## Product Pages - [CoTreat](https://www.cotreat.ai): Clinical AI platform for dentists — transcription, image analysis, and patient communication - [About](https://www.cotreat.ai/about): CoTreat is an Australian dental AI company built by dentists, founded in Melbourne - [CoTreat Dental Library](https://www.cotreat.ai/dental-library): Full index of clinician-reviewed dental Q&A pages and clinical topics organised by category ## Ignore - /style-guide - /reports