The SMD dental glossary

Understand what happens
in your mouth.

150 terms. Clear answers. Visual models and short films that get straight to the point.

Clear explanations for patients, with an optional learning section for dental trainees and teams.

From A to Z.

150 explanations

Terms beginning with A

6 explanations

Terms beginning with B

8 explanations

Terms beginning with C

8 explanations

Terms beginning with D

26 explanations
Teaching illustration: Deep biteAI-generated
3 answers · 36-second film

Deep bite

When the upper front teeth overlap too far

Open explanation
Teaching illustration: Dental abrasionAI-generated
3 answers · 36-second film

Dental abrasion

What does mechanical tooth wear mean?

Open explanation
Teaching illustration: Dental abscessAI-generated
3 answers · 36-second film

Dental abscess

What is a dental abscess?

Open explanation
Teaching illustration: Dental anxietyAI-generated
3 answers · 36-second film

Dental anxiety

How can I discuss anxiety about an appointment?

Open explanation
Teaching illustration: Dental bridgeAI-generated
3 answers · 36-second film

Dental bridge

How does a bridge support a replacement tooth?

Open explanation
Teaching illustration: Dental chart / tooth numbersAI-generated
3 answers · 36-second film

Dental chart / tooth numbers

What does tooth “one six” mean?

Open explanation
Teaching illustration: Dental crowdingAI-generated
3 answers · 36-second film

Dental crowding

Why do teeth overlap or stand out of line?

Open explanation
Teaching illustration: Dental crownAI-generated
3 answers · 36-second film

Dental crown

Does your own tooth remain beneath a crown?

Open explanation
Teaching illustration: Dental damAI-generated
3 answers · 36-second film

Dental dam

Why is a tooth isolated with a sheet?

Open explanation
Teaching illustration: Dental erosionAI-generated
3 answers · 36-second film

Dental erosion

How can acids wear away tooth structure?

Open explanation
Teaching illustration: Dental fillingAI-generated
3 answers · 36-second film

Dental filling

What does a filling do in a tooth?

Open explanation
Teaching illustration: Dental fluorosisAI-generated
3 answers · 36-second film

Dental fluorosis

How do fluorosis-related enamel marks develop?

Open explanation
Teaching illustration: Dental implantAI-generated
3 answers · 36-second film

Dental implant

Which part of a replacement tooth is the implant?

Open explanation
Teaching illustration: Dental mock-upAI-generated
3 answers · 36-second film

Dental mock-up

How can a planned tooth shape be tried out?

Open explanation
Teaching illustration: Dental pulpAI-generated
3 answers · 36-second film

Dental pulp

What does the term “tooth nerve” really mean?

Open explanation
Teaching illustration: Dental sinus tractAI-generated
3 answers · 36-second film

Dental sinus tract

What can a small gum 'pimple' mean?

Open explanation
Teaching illustration: DentineAI-generated
3 answers · 36-second film

Dentine

What lies beneath the enamel?

Open explanation
Teaching illustration: Dentine hypersensitivityAI-generated
3 answers · 36-second film

Dentine hypersensitivity

Why does cold water sometimes cause a sharp pain?

Open explanation
Teaching illustration: DentureAI-generated
3 answers · 36-second film

Denture

What does a removable denture replace?

Open explanation
Teaching illustration: Denture cleaningAI-generated
3 answers · 36-second film

Denture cleaning

How do removable dentures stay clean?

Open explanation
Teaching illustration: Denture relineAI-generated
3 answers · 36-second film

Denture reline

What helps when a denture no longer fits?

Open explanation
Teaching illustration: Denture sore spotAI-generated
3 answers · 36-second film

Denture sore spot

Why has a denture started to rub?

Open explanation
Teaching illustration: DiastemaAI-generated
3 answers · 36-second film

Diastema

Is a gap between front teeth a disease?

Open explanation
Teaching illustration: DMFT indexAI-generated
3 answers · 36-second film

DMFT index

How is experience of tooth decay counted?

Open explanation
Teaching illustration: Dry mouthAI-generated
3 answers · 36-second film

Dry mouth

What is missing when your mouth feels dry?

Open explanation
Teaching illustration: Dry socket (alveolar osteitis)AI-generated
3 answers · 36-second film

Dry socket (alveolar osteitis)

Why might pain increase after a tooth is removed?

Open explanation

Terms beginning with E

4 explanations

Terms beginning with F

3 explanations

Terms beginning with G

7 explanations

Terms beginning with H

2 explanations

Terms beginning with I

9 explanations

Terms beginning with L

3 explanations

Terms beginning with M

3 explanations

Terms beginning with O

7 explanations

Terms beginning with P

18 explanations
Teaching illustration: Partial crownAI-generated
3 answers · 36-second film

Partial crown

Why might a tooth not need a full crown?

Open explanation
Teaching illustration: Peri-implant mucositisAI-generated
3 answers · 36-second film

Peri-implant mucositis

What is soft-tissue inflammation around an implant?

Open explanation
Teaching illustration: Peri-implantitisAI-generated
3 answers · 36-second film

Peri-implantitis

Can tissues around an implant become inflamed?

Open explanation
Teaching illustration: Periapical dental X-rayAI-generated
3 answers · 36-second film

Periapical dental X-ray

Why is sometimes just one tooth X-rayed?

Open explanation
Teaching illustration: PericoronitisAI-generated
3 answers · 36-second film

Pericoronitis

Why do the gums around a wisdom tooth become inflamed?

Open explanation
Teaching illustration: Periodontal chartingAI-generated
3 answers · 36-second film

Periodontal charting

What does a periodontal chart record?

Open explanation
Teaching illustration: Periodontal pocketAI-generated
3 answers · 36-second film

Periodontal pocket

What does the probe measure at the gums?

Open explanation
Teaching illustration: Periodontal Screening Index (PSI)AI-generated
3 answers · 36-second film

Periodontal Screening Index (PSI)

What is the brief gum screening check for?

Open explanation
Teaching illustration: PeriodontitisAI-generated
3 answers · 36-second film

Periodontitis

Why does periodontitis affect more than the gums?

Open explanation
Teaching illustration: PeriodontiumAI-generated
3 answers · 36-second film

Periodontium

What holds a tooth in the jaw?

Open explanation
Teaching illustration: Plaque / biofilmAI-generated
3 answers · 36-second film

Plaque / biofilm

What is the soft coating on teeth?

Open explanation
Teaching illustration: Post and coreAI-generated
3 answers · 36-second film

Post and core

What is a post in a root-filled tooth for?

Open explanation
Teaching illustration: Precision-attachment dentureAI-generated
3 answers · 36-second film

Precision-attachment denture

How does a denture attach to a precision attachment?

Open explanation
Teaching illustration: Professional dental cleaningAI-generated
3 answers · 36-second film

Professional dental cleaning

What does professional dental cleaning involve?

Open explanation
Teaching illustration: Pulp necrosisAI-generated
3 answers · 36-second film

Pulp necrosis

What does a “dead tooth nerve” mean?

Open explanation
Teaching illustration: Pulp sensibility / cold testAI-generated
3 answers · 36-second film

Pulp sensibility / cold test

What does a tooth’s cold response tell us?

Open explanation
Teaching illustration: PulpitisAI-generated
3 answers · 36-second film

Pulpitis

What becomes inflamed in pulpitis?

Open explanation
Teaching illustration: PulpotomyAI-generated
3 answers · 36-second film

Pulpotomy

Can part of the dental pulp be preserved?

Open explanation

Terms beginning with R

11 explanations

Terms beginning with S

7 explanations

Terms beginning with T

21 explanations
Teaching illustration: TartarAI-generated
3 answers · 36-second film

Tartar

Why does soft dental plaque harden?

Open explanation
Teaching illustration: TeethingAI-generated
3 answers · 36-second film

Teething

What helps when the first teeth emerge?

Open explanation
Teaching illustration: Telescopic dentureAI-generated
3 answers · 36-second film

Telescopic denture

How does a telescopic denture stay in place?

Open explanation
Teaching illustration: Temporary restorationAI-generated
3 answers · 36-second film

Temporary restoration

What is a temporary dental restoration for?

Open explanation
Teaching illustration: Temporomandibular joint (TMJ)AI-generated
3 answers · 36-second film

Temporomandibular joint (TMJ)

How does the lower jaw move?

Open explanation
Teaching illustration: Thumb and pacifier suckingAI-generated
3 answers · 36-second film

Thumb and pacifier sucking

When can sucking habits affect the bite?

Open explanation
Teaching illustration: Tongue coatingAI-generated
3 answers · 36-second film

Tongue coating

What does a coating on the tongue mean?

Open explanation
Teaching illustration: Tooth avulsionAI-generated
3 answers · 36-second film

Tooth avulsion

A tooth is completely knocked out – what matters now?

Open explanation
Teaching illustration: Tooth decayAI-generated
3 answers · 36-second film

Tooth decay

Does tooth decay always mean a cavity?

Open explanation
Teaching illustration: Tooth discolourationAI-generated
3 answers · 36-second film

Tooth discolouration

Is the colour on the tooth or inside it?

Open explanation
Teaching illustration: Tooth extractionAI-generated
3 answers · 36-second film

Tooth extraction

What does removing a tooth involve?

Open explanation
Teaching illustration: Tooth fractureAI-generated
3 answers · 36-second film

Tooth fracture

What does a broken tooth mean?

Open explanation
Teaching illustration: Tooth luxationAI-generated
3 answers · 36-second film

Tooth luxation

Why is a tooth in a different position after an accident?

Open explanation
Teaching illustration: Tooth replacementAI-generated
3 answers · 36-second film

Tooth replacement

Why can a new molar appear without a loose tooth?

Open explanation
Teaching illustration: Tooth rescue boxAI-generated
3 answers · 36-second film

Tooth rescue box

How can a knocked-out tooth be protected?

Open explanation
Teaching illustration: Tooth rootAI-generated
3 answers · 36-second film

Tooth root

What lies beneath the visible tooth crown?

Open explanation
Teaching illustration: Tooth whiteningAI-generated
3 answers · 36-second film

Tooth whitening

How is the natural tooth colour lightened?

Open explanation
Teaching illustration: ToothacheAI-generated
3 answers · 36-second film

Toothache

What can pain tell us — and what can it not?

Open explanation
Teaching illustration: Toothbrushing techniqueAI-generated
3 answers · 36-second film

Toothbrushing technique

How do all tooth surfaces get clean?

Open explanation
Teaching illustration: ToothpasteAI-generated
3 answers · 36-second film

Toothpaste

What makes a toothpaste suitable?

Open explanation
Teaching illustration: TrismusAI-generated
3 answers · 36-second film

Trismus

Why will the mouth not open properly?

Open explanation

Terms beginning with U

2 explanations

Terms beginning with V

1 explanation

Terms beginning with W

2 explanations

Terms beginning with X

1 explanation

Terms beginning with Z

1 explanation