Dental
Evidence-based dental knowledge cards: implants, periodontics, orthodontics, costs and risks, each with an evidence chain.
169 articles

How Often Should You Have Dental Scaling? What Does It Cost?
“A dental cleaning every six months” is a long-standing convention in many countries, not a conclusion from randomized…
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My teeth are yellow or dark and brushing does not remove it: what whitening options are there?
Tooth discoloration must first be separated into extrinsic staining attached to the surface and intrinsic discoloratio…
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My jaw suddenly dislocated and will not close. Can I push it back myself? Which specialty should I see?
A jaw locked open is an acute condition that needs a clinician. This card first says what to do now and where to go, t…
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What happens when the temporomandibular joint (TMJ) is a problem? When should I seek care?
“TMJ” names the joint itself; “TMD” names the group of temporomandibular disorders. They are not interchangeable. A te…
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What should I do about a toothache? What does cavity pain feel like?
There is no single standard answer to “what does cavity pain feel like?” because different problems can feel very simi…
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What should I do if a tooth suddenly falls out?
First identify whether the tooth is a permanent tooth knocked out by trauma, a child’s primary tooth, a tooth that loo…
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Do wisdom teeth always need to be removed? Can two be removed in one visit?
Neither “always remove” nor “never remove” is supported. For an asymptomatic, disease-free impacted wisdom tooth, the …
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How much is an all-ceramic crown? Why quotations under the same name can differ
“All-ceramic crown” is an umbrella term, not one material or one method. It covers different ceramic families and fabr…
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Will I regret getting an all-ceramic crown? What are the drawbacks? Matching online complaints to the literature, one category at a time
What is hidden beneath a search for “regretting an all-ceramic crown” is usually not one single problem. This card nei…
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How Is Bone Grafting for Implants (GBR) Assessed? Indications, Materials and the Choice of Membrane
An implant has to sit where it can support the future prosthesis and where the site will still be easy to clean. Only …
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Fractured Front Tooth Root and Hoping to Avoid a Long Gap? Four Things to Assess Before Immediate Implant Placement with a Provisional Tooth
When the root of a front tooth fractures, the greatest anxiety is often not the treatment itself but ‘Will there be a …
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Are bleeding gums just “too much internal heat”, or a warning sign of periodontal disease?
If you repeatedly see blood when brushing, the most common first question is whether plaque has inflamed the gingiva, …
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A calcified root canal: can the tooth still be retained?
Canal calcification or pulp-canal obliteration (PCO) is progressive hard-tissue deposition that narrows the chamber an…
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A Corner Has Chipped off a Ceramic Veneer: Can It Be Repaired, or Must It Be Replaced?
When a corner chips off a ceramic veneer, the entire veneer does not necessarily need to be removed, but resin should …
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How does control of chronic disease affect implant assessment?
Implant assessment cannot merely tick “yes” or “no” for chronic disease. Within the same diagnosis, recent control, co…
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Discomfort With an Implant — Where Should You Look First? Sorting the Problem Into Three Routes: Prosthetic, Biological and Mechanical
If something feels odd after your implant treatment is finished, it may be coming from three entirely different levels…
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Is bone grafting always necessary when there is insufficient bone for an implant? Choosing grafting, a different implant size or another treatment
Insufficient bone does not mean that every patient must follow the same grafting process. Current systematic reviews i…
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A Piece of Tooth Is Missing: An All-Ceramic Crown, Veneer, or 3D-Milled Restoration? First Ask “How Much Tooth Structure Remains?” and “Where Is the Defect?”
When a dentist says, “this tooth needs a prosthetic restoration”, you may hear three terms: all-ceramic crown (coverin…
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Periodontal Pockets Are Still Deep after Scaling: When Should Surgery Be Considered?
In everyday speech, ‘scaling’ may mean routine cleaning that removes only calculus above the gingiva, or it may refer …
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Adding Er,Cr:YSGG to non-surgical periodontal treatment: which questions should you ask?
The foundations of non-surgical periodontal treatment remain diagnosis, oral hygiene instruction, control of supra- an…
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