Dental FAQs & Patient Resources
Find answers to frequently asked questions about teeth, gums, dental treatments and oral health. Each topic links to a detailed guide with explanations, treatment considerations and questions to discuss at your visit.
These guides draw on Kois Center patient education materials and clinical review. They explain concerns and treatments without replacing an examination or your individual care plan.
100 guides available. You can also browse by category below.
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Have a specific dental question? Call our downtown office at 604-681-6699 or browse all categories.
Teeth and Fillings
Answers about cavities, sensitivity, tooth wear, fillings, crowns and ways to preserve natural teeth.
23 guides
Acid Erosion of Teeth: Causes and Prevention
Frequent acid exposure can dissolve tooth structure. Management addresses the acid source as well as damage to the teeth.
Tooth healthCongenitally Missing Teeth: Diagnosis and Options
When an adult tooth never develops, planning considers growth, space, the bite and the health of any retained baby tooth.
Restorative careCracked Fillings: Signs, Risks and Treatment
A damaged filling may expose the tooth to further wear or decay. Assessment helps determine whether repair or replacement is needed.
Tooth healthCracked Teeth: Symptoms and Treatment Options
Cracks vary in depth and severity. Early assessment can help identify options for protecting or treating the tooth.
Restorative careDental Build-Ups: Rebuilding a Damaged Tooth
A build-up replaces missing tooth structure so a tooth can support its planned restoration.
Restorative careDental Crowns: Benefits, Risks and Alternatives
A crown covers and restores a tooth, but does not remove the need for ongoing cleaning and decay prevention.
Restorative careDental Inlays and Onlays: When Are They Used?
Inlays and onlays replace missing tooth structure and may provide a middle ground between a filling and a full crown.
Restorative careDental Post and Core: Purpose, Risks and Alternatives
A post may help retain a core when little tooth structure remains after root canal treatment; not every treated tooth needs one.
Restorative careDiscoloured Fillings: Staining or Something More?
A dark filling may be stained or may need closer assessment for an open edge or decay. Colour alone does not decide treatment.
Tooth healthDiscoloured Teeth: Causes and Treatment Options
A tooth that changes colour may have surface stain, an old restoration, previous trauma or a problem inside the tooth.
Tooth healthExternal Root Resorption: Diagnosis and Treatment
Root resorption may progress without pain. Imaging and the location of damage guide monitoring or treatment.
Tooth healthLoose Adult Teeth: Causes and Treatment
A loose permanent tooth needs assessment for gum disease, trauma, infection or other contributing factors.
Restorative careRoot Canal Treatment: Benefits, Risks and Aftercare
Root canal treatment removes inflamed or infected pulp, cleans the canals and aims to preserve a tooth that can be restored.
Restorative careShould Silver Fillings Be Replaced?
A sound filling does not automatically need replacement. Weigh tooth condition, treatment risks and your goals.
Restorative careSilver Amalgam Fillings: Materials and Considerations
Understand amalgam’s uses, limitations and alternatives, with material decisions based on your circumstances.
Tooth healthTooth Abrasion: Causes, Signs and Treatment
Identify the causes of gum-line wear and protect your teeth with care matched to the depth and progression of the damage.
Tooth healthTooth Decay: Causes, Prevention and Treatment
Cavity risk depends on plaque, diet, saliva and tooth protection. Early and more advanced lesions need different approaches.
Tooth healthTooth Wear: Causes, Prevention and Treatment
Wear can reflect acids, external abrasion and tooth-to-tooth contact. The cause and rate of change guide care.
Restorative careTooth-Coloured Composite Fillings
Bonded composite can repair or reshape a tooth. Restoration size, bite forces and hygiene affect its service life.
Restorative careTooth-Supported Dental Bridges
A bridge uses supporting natural teeth to replace a missing tooth or teeth. Preparation, cleaning and support-tooth health matter.
Tooth healthToothache: Causes and When to Seek Care
Persistent pain needs a diagnosis. Swelling, fever or worsening symptoms may require urgent care.
Restorative careTransitional Resin Restorations
Longer-term provisional restorations can help test a planned bite and phase more extensive restorative care.
Restorative careWeakened Teeth: Risks and Restoration Options
A tooth with substantial missing structure may need additional support to reduce the risk of fracture.
Gums, Bone and Mouth Tissues
Understand gum disease, grafting, tissue changes and when a mouth sore or swelling needs assessment.
14 guides
Crown Lengthening: Why It May Be Recommended
Crown lengthening changes the gum line and sometimes the supporting bone to expose more tooth for restoration or appearance.
Surgical careDental Bone Grafting: Benefits, Risks and Recovery
Bone grafting may rebuild support for planned dental treatment. Material choice, healing and alternatives depend on your situation.
Gum & tissue healthGum Disease: Gingivitis and Periodontitis
Bleeding gums deserve attention. Periodontitis can damage supporting bone even before a tooth becomes painful or loose.
Surgical careGum Grafting: Benefits, Risks and Recovery
Grafting may improve tissue thickness or cover exposed roots. Complete root coverage and long-term results are not guaranteed.
Gum & tissue healthLocal Antibiotics for Gum Disease
A locally delivered antibiotic may be considered for selected gum pockets alongside mechanical cleaning.
Gum & tissue healthMouth Swelling: Causes and When to Seek Care
Swelling can reflect infection, irritation or another condition. Rapid swelling or breathing difficulty needs urgent attention.
Gum & tissue healthMouth Ulcers: Causes and When to Get Checked
Many ulcers heal promptly, but persistent or unusual sores need assessment rather than repeated self-treatment.
Gum & tissue healthNon-Surgical Gum Disease Treatment
Scaling, root planing and tailored home care help control periodontal disease, with reassessment to guide further care.
Gum & tissue healthOral Bacterial Testing: Uses and Limitations
Bacterial testing may add information in selected cases, but clinical examination remains central to diagnosing and monitoring gum disease.
Surgical carePRF and PRGF in Dental Surgery
Blood-derived preparations may be used to support healing in selected procedures. Benefits vary and do not remove surgical risks.
Surgical carePlatelet-Rich Plasma in Dental Surgery
PRP uses a processed sample of your own blood as an adjunct to selected surgical procedures.
Gum & tissue healthRed or Bleeding Gums Around a Crown
Plaque, crown shape, fit or margin position may contribute to local inflammation. Assessment identifies the cause before treatment.
Gum & tissue healthRed, Purple, Brown or Dark Patches in the Mouth
Some colour changes are normal; others need investigation. New, changing or persistent patches should be examined.
Gum & tissue healthWhite Patches in the Mouth: Causes and Assessment
White patches may result from irritation, infection or another tissue change. Appearance alone cannot establish the diagnosis.
Bite, Jaw and Orthodontics
Explore tooth alignment, grinding, bite assessments, jaw symptoms and options for protecting your teeth.
11 guides
Bite Problems: Symptoms and Treatment Options
A bite assessment considers teeth, jaw muscles and joints together. Symptoms do not establish the cause on their own.
Bite & jaw careDental Equilibration: Bite Adjustment Explained
Selective bite adjustment removes tooth material and is irreversible. Diagnosis and discussion of conservative alternatives come first.
Bite & jaw careJaw Joint Problems and TMD
Jaw pain, locking or restricted movement can have several causes. Conservative, reversible care is often the starting point.
OrthodonticsMail-Order Clear Aligners: What to Consider
Before moving teeth, understand who examines you, reviews your records and remains responsible for monitoring your care.
Bite & jaw careNight-Time Tooth Grinding: Signs and Management
Grinding may affect teeth and chewing muscles. Management focuses on contributing factors and protection from damage.
Bite & jaw careNightguards: Purpose, Fit and Care
A custom guard can help protect teeth from wear. It does not necessarily stop grinding or treat sleep apnea.
OrthodonticsOrthodontic Extrusion: Moving a Tooth to Help Treatment
Controlled tooth movement may expose sound tooth structure or help prepare tissues for planned treatment.
OrthodonticsPalatal Expansion: Widening the Upper Jaw
Expansion treats a narrow upper jaw in selected patients. Age, growth and anatomy affect the appliance or surgical approach.
OrthodonticsSurgically Facilitated Orthodontic Treatment
Combining selected surgical and orthodontic techniques may change treatment options, but adds surgical risks and individualized planning.
Bite & jaw careThe Kois Deprogrammer: Purpose, Wear and Care
This temporary appliance can help your dentist assess how your jaw closes. Wear and review instructions are individualized.
OrthodonticsWhy Orthodontics? Tooth Position and Treatment Options
Orthodontic planning considers tooth position, available space, the bite and your goals, using appropriate diagnostic records.
Cosmetic Dentistry
Compare whitening and veneers, including their limitations, maintenance and effects on existing dental work.
2 guides
Dental Veneers: Benefits, Risks and Alternatives
Veneers change the visible tooth surface. Planning should consider enamel preservation, appearance, bite and maintenance.
Cosmetic careProfessional Teeth Whitening: Options and Risks
Whitening can lighten natural teeth, while existing fillings and crowns keep their colour. Sensitivity and results vary.
Implants and Dentures
Learn how replacement teeth are supported, how designs differ and what ongoing cleaning and maintenance involve.
14 guides
Complete Dentures: Options, Benefits and Care
Complete dentures replace all the teeth in one jaw. Fit, comfort and chewing ability vary with the supporting tissues.
Tooth replacementDental Implants: Benefits, Risks and Alternatives
Implants can support replacement teeth, but require sufficient support, appropriate planning and ongoing maintenance.
Tooth replacementFixed Hybrid Implant Bridges
A fixed hybrid bridge stays in place for daily use and can be removed by the dental team for appropriate maintenance.
Implant healthFood Trapping Beside an Implant Crown
A contact can open as natural teeth move beside an implant. Persistent food trapping deserves assessment.
Tooth replacementImplant Bridges with Individual Crowns
A supporting framework carries individual crowns. Design affects appearance, hygiene, repair options and maintenance.
Tooth replacementImplant Overdentures with Locator Attachments
A removable denture can clip onto implants for added retention. The attachments and surrounding tissues need ongoing care.
Tooth replacementImplant Overdentures with a Milled Bar
A custom bar can support or retain a removable denture. Space, cleaning access and maintenance influence the design.
Tooth replacementImplant-Supported Bridges: A Patient Guide
An implant bridge replaces several teeth without relying on neighbouring teeth for support.
Tooth replacementImplant-Supported Crowns: A Patient Guide
An implant crown replaces a missing tooth above an implant. The crown, connecting parts and implant require follow-up care.
Tooth replacementPartial Dentures with Locator Attachments
Implant attachments can improve a partial denture’s retention while allowing you to remove it for cleaning.
Implant healthPeri-Implantitis: Gum and Bone Disease Around Implants
Inflammation and progressive bone loss around an implant require assessment, cleaning and sometimes surgical care.
Tooth replacementRemovable Partial Dentures: A Patient Guide
A partial denture replaces some missing teeth. Design, remaining tooth support and hygiene affect comfort and function.
Tooth replacementScrew-Retained Implant Bridges
Screw retention lets the dental team access a bridge for maintenance. Fit, bite forces and daily cleaning remain important.
Tooth replacementZirconia Dental Implants: Options and Considerations
Ceramic implants are an option in selected cases. Compare system design, available evidence and alternatives with your treating clinician.
Extractions and Recovery
Find answers about tooth removal, treatment alternatives and caring for a healing extraction site.
5 guides
Dry Socket After Tooth Extraction
Pain that worsens after initial improvement following an extraction should be assessed rather than managed by waiting alone.
Surgical carePartial Extraction Therapy and Socket Shielding
Retaining a selected root segment may help preserve tissues in carefully chosen cases, but has specific risks and alternatives.
AftercareTooth Extraction Aftercare: Protecting the Healing Site
Protect the clot, follow your own surgical instructions and contact the treating team about worsening pain or bleeding.
Surgical careTooth Extractions: Benefits, Risks and Alternatives
Extraction may be appropriate when a tooth cannot be predictably saved or for another specific clinical reason.
Surgical careWisdom Tooth Removal: Reasons, Risks and Alternatives
Impacted wisdom teeth may need removal or monitoring. The decision depends on disease, anatomy and future risk.
Sleep and General Health
Explore links between oral health, sleep, medicines and medical conditions, including when medical assessment is needed.
14 guides
Airway Problems and Sleep-Disordered Breathing in Adults
Snoring, unrefreshing sleep and daytime tiredness deserve assessment. Dental screening can support a medical sleep evaluation.
Oral & general healthBPA in Dental Fillings and Sealants
Understand why BPA is discussed in dentistry and how material selection and careful placement help address concerns.
Oral & general healthBurning Mouth Syndrome: Symptoms and Care
Persistent burning or altered taste needs an assessment for dental, medical and nerve-related causes.
Oral & general healthDental Antibiotics: Side Effects and Warning Signs
Know the difference between mild digestive upset and symptoms that need urgent medical attention.
Oral & general healthDry Mouth: Causes, Relief and Tooth Protection
Saliva protects teeth and oral tissues. Persistent dryness needs attention even when you brush and floss carefully.
Oral & general healthGum Disease and Diabetes
Diabetes and periodontal health can influence each other. Coordinate gum care with your usual diabetes management.
Oral & general healthHPV and Throat Cancer: What Patients Should Know
Most HPV infections clear without causing cancer. Persistent throat or neck symptoms still need professional assessment.
Oral & general healthMedication-Related Osteonecrosis of the Jaw
Tell your dentist about osteoporosis and cancer medications. Dental and medical teams should coordinate treatment decisions.
Oral & general healthMetabolic Syndrome and Oral Health
Medical risk factors and gum health deserve coordinated attention. Dental treatment does not replace medical management.
Oral & general healthOil Pulling: Evidence and Limitations
Oil pulling should not replace fluoride toothpaste, cleaning between teeth or dental treatment.
Sleep healthOral Appliances for Sleep Apnea and Snoring
A custom oral sleep appliance may help selected patients after medical assessment, with follow-up to check effectiveness and side effects.
Oral & general healthOral Cancer: Warning Signs and Assessment
Persistent mouth or throat changes and an unexplained neck lump need assessment. A routine examination cannot exclude every cancer.
Oral & general healthPersistent Numbness After Dental Anesthetic
Report numbness or altered sensation that lasts beyond the expected anesthetic period so it can be assessed and followed.
Sleep healthSleep-Disordered Breathing and Daytime Sleepiness
A sleepiness questionnaire is a screening aid, not a diagnosis. Suspected sleep apnea needs medical evaluation.
Children’s Dental Health
Guidance for parents on growing teeth, cavity prevention, tooth colour, mouth sores and sleep-related concerns.
12 guides
Airway Problems and Sleep-Disordered Breathing in Children
Persistent snoring, restless sleep or witnessed breathing pauses should be discussed with your child’s physician.
Children’s healthBad Breath in Children: Causes and Care
Persistent bad breath needs attention to oral hygiene and possible dental or medical causes.
Children’s healthCrowded or Crooked Teeth in Children
Growth can change tooth alignment, but some crowding needs monitoring or orthodontic treatment at an appropriate stage.
PreventionDental Sealants: Cavity Prevention for Back Teeth
Sealants protect vulnerable grooves from trapped plaque and food. They complement brushing, fluoride and regular assessment.
Children’s healthDiscoloured Teeth in Children
Permanent teeth can naturally look darker than baby teeth. Other changes may reflect staining, injury or enamel differences.
PreventionFluoride Varnish: Benefits, Application and Aftercare
Professional varnish helps protect teeth against decay. Allergy screening and aftercare should match the actual product used.
PreventionFluoride: Benefits, Safety and Cavity Prevention
Appropriate fluoride use helps protect children’s and adults’ teeth. The right form and amount depend on age and cavity risk.
Children’s healthMouth Sores in Children: What to Look For
Sores have different causes. A suspected dental abscess, dehydration or a persistent unusual sore needs professional attention.
PreventionSilver Diamine Fluoride: Benefits and Black Staining
SDF may help arrest selected cavities, but darkens treated decay and does not rebuild missing tooth shape.
Children’s healthSnoring in Children: When to Seek Assessment
Frequent snoring or breathing pauses should be discussed with your child’s physician, even when dental symptoms are absent.
Children’s healthSpaces Between Children’s Teeth
Spacing between baby teeth is often expected. Persistent or unusual gaps in adult teeth may need assessment.
Children’s healthWhy Do Children Grind Their Teeth?
Grinding is common in childhood, but pain, significant wear, snoring or breathing pauses should be assessed.
Sedation and Comfort
Understand oral conscious sedation offered at our clinic and IV sedation information for off-site specialist referral.
2 guides
IV Sedation: Off-Site Specialist Referral
IV sedation may help selected patients tolerate treatment. Medical screening, monitoring and an escort are essential.
Our clinic provides oral conscious sedation. We do not administer IV sedation, deep sedation or general anesthesia in-house. IV sedation requires referral to an appropriate provider.
In-clinic sedationOral Sedation for Dental Treatment
Sedation medication can reduce anxiety, but requires individual screening, clear instructions and safe transport arrangements.
Oral conscious sedation is offered at our clinic, subject to assessment and suitability.
Dental Technology
Learn why diagnostic records, digital scans and dental imaging may be recommended for your care.
3 guides
Dental CBCT Scans: Uses and What to Expect
A CBCT scan supplies three-dimensional information when an examination and conventional images are not enough for the clinical question.
Diagnosis & planningDental X-Rays: Types, Timing and Safety
Dental X-rays are selected for your clinical needs and risk factors, rather than taken on an automatic timetable.
Diagnosis & planningDigital Dental Scans and Diagnostic Study Models
Digital models record tooth shape and bite relationships to help with diagnosis, treatment planning and communication.
Questions about your dental care?
Our team at Coastal City Dunsmuir Dental Centre can assess your concerns and discuss suitable next steps, including referral when needed. The procedures in this educational guide are not a statement that every option is available at our office.
Suite 290, 885 Dunsmuir Street, Vancouver, BC
Near Burrard and Granville SkyTrain stations.
About these resources
Educational content and original illustrations are adapted from supplied Kois Center handouts, with clinical review by Dr. Tony Bae, DMD. Source credits appear on individual guides. Treatments described may require referral and may not all be offered at our practice.
For appointment arrangements and coverage questions, visit New Patients, Financial Information or our CDCP information.
