New imaging and materials get marketed as automatic upgrades, and these answers focus on what a given technology actually resolves. CBCT should answer a defined diagnostic or planning need instead of being ordered for every patient by default, and radiographs generally should be prescribed after a clinical examination based on individual risk instead of taken on a fixed schedule: someone with active decay is imaged more often than someone stable and low-risk. A bitewing and a periapical X-ray answer different questions, and a large-field CBCT can incidentally capture the sinuses, airway and cervical spine, so it is worth asking who reads the full volume. Zirconia and porcelain are not interchangeable terms for one material, and neither same-day nor laboratory-made crowns nor 3D-printed restorations are universally better. Suitability depends on the tooth and material selected.
Removing an intact amalgam filling purely for its material exposes healthy tooth structure and temporary mercury vapor without clinical benefit, and true material allergy is a distinct question from ordinary implant complications.
Questions people ask
Common questions
13 questions, each answered on its own.
01When is a CBCT scan used in dentistry?
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CBCT can provide three-dimensional information for selected implant, surgical, endodontic, orthodontic and pathology questions. It should answer a defined diagnostic or planning need, not be treated as automatically necessary for every patient.
02Is a digital dental scan more accurate than impressions?
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Accuracy depends on the clinical situation, scanner, scan strategy, field size and laboratory workflow. Digital scans can improve comfort and communication, while conventional impressions remain useful in some complex or tissue-dependent situations.
03What is computer-guided implant surgery?
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Guided surgery uses digital imaging and a planned restorative position to create a guide or navigation workflow for implant placement. It can improve transfer of a plan but does not replace clinical judgment or eliminate surgical risk.
04Are same-day crowns as good as laboratory crowns?
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Both chairside and laboratory workflows can produce appropriate restorations when preparation, material, design, bonding and bite are suitable. The important questions are material selection, quality control, adjustment and whether the tooth needs a provisional phase.
05Does laser dentistry mean no drilling or pain?
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No. Lasers have specific uses and limitations, and some procedures still require conventional instruments, anesthesia or other treatment. Ask what tissue or problem the laser addresses and what evidence supports its use in that case.
06Are ceramic dental implants metal-free?
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Some implants are made from zirconia-based ceramic instead of titanium, but the entire restoration and instruments may involve other materials. Ask for the exact implant system, components, evidence, repair options and provider experience.
07Can someone be allergic to a dental implant?
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True material allergy and other inflammatory or mechanical implant problems are different questions. A history of reactions deserves evaluation, but internet tests or symptoms alone cannot identify the cause. Ask which materials are present in every component.
08Should old silver fillings be removed just because they contain amalgam?
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Removal is not automatically indicated solely because a functioning restoration is amalgam. The FDA identifies specific higher-risk groups and also notes that removal exposes healthy tooth structure and temporary mercury vapor. Discuss the restoration's condition and individual risk.
09What should be in a dental implant identification record?
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A useful record includes implant manufacturer, system, dimensions, site, placement date and relevant restorative components. Keeping it can simplify future maintenance, imaging, repair and component ordering when care changes offices.
10What is the difference between a bitewing and a periapical X-ray?
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They answer different questions. A bitewing shows the crowns of upper and lower teeth together and is the standard view for decay between teeth and for bone levels. A periapical shows a whole tooth including the root tip and the bone around it, and is used for pain, root assessment and findings at the apex. Which is taken depends on what the clinician is trying to establish, which is a fair thing to ask.
11Who reads the whole CBCT scan?
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This is the question people rarely ask and it matters. A CBCT taken for one tooth captures anatomy well beyond it, and at larger fields of view that can include sinuses, airway and cervical spine. Incidental findings can appear there. Clinicians differ in whether they interpret the full volume themselves or refer it for radiological reporting. Ask who will examine the complete image and whether a written report will be produced.
12Can I get copies of my own X-rays?
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Yes: patients are generally entitled to copies of their dental records, and this is worth doing when changing practice or seeking a second opinion. Ask specifically for the original digital image files, not printouts, because diagnostic quality is lost in a printed or screenshotted image and a second clinician needs the former. Practices may charge a reasonable copying fee in many circumstances.
13Are 3D-printed dental restorations as good as milled ones?
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They are different manufacturing methods with different material options, and which is appropriate depends on what is being made and from what. Printing is well established for models, surgical guides and some provisional restorations, and its use for definitive restorations continues to develop as materials do. Instead of asking which method is better in the abstract, ask what material your restoration will be made from and why that material suits your tooth.
Evidence record
Sources and answer scope
- Oral Health TopicsAmerican Dental AssociationAccessed 2026-08-17
- Dental Implants: What You Should KnowU.S. Food and Drug AdministrationAccessed 2026-08-17
- Dental Amalgam FillingsU.S. Food and Drug AdministrationAccessed 2026-08-17