Tooth Wear Flashcards
What are the Types of Tooth Wear?
Erosion
Attrition
Abrasion
Abfraction
What are the Clinical Consequences of Tooth Wear? (4)
- change in appearance
- pain/sensitivity
- lack of occlusal stability
- functional difficulties
Define Attrition and Describe it’s Clinical Presentations (5)
the loss of tooth substance or tissue caused by tooth-to-tooth contact
- enamel and dentine wear down at same rate
- flattened cusps and incisal edges
- shiny amalgams
- in a slow process - secondary dentine forms
- increased tooth mobility
Define Erosion, it’s Causes (5) and Describe the Clinical Appearance (3)
irreversible, progressive loss of dental hard tissue by an acidic chemical process not involving bacteria
causes:
- intrisinc/extrinsic acids
- oral hygiene products
- medications
- eating disorders - anorexia and bulimia
- xerostomia - dry mouth, lack of saliva flow, enamel and insist edge worn out
- loss of surface anatomy
- increase incisal translucency
- chipping or edges
generally the worn surfaces are not in contact
Define Abrasion
the abnormal wearing of tooth substance by a mechanical process other than tooth contact e.g. brushing, piercings, smoking
Define Abfraction
loss of tooth surface from occlusal forces causing compressive and tensile stress
- looks like teeth are on a ledge
How else can Tooth Wear be Caused?
Bruxism - grinding
How can you Diagnose?
identify presence and severity
symptoms, loss of crown height, structural integrity, aesthetics
How can you Monitor Progress? (4)
*Sensitivity - if yes, secondary dentine hasn’t layed down
*Staining
*Study Models - compare depths/heights
*Silicone Putty - make comparison
Prevention. (6)
Diet Advice
Don’t brush immediately after acidic food
Control of eating disorders
OHI
Habits
Water and Sodium Bicarbonate mouthwash
How can you Prevent Attrition Getting Worse?
Splint (like a retainer)
- vacuum formed on model of one arch = full coverage
- prevent further wear
- quick and easy
- can be used as a tray
composites
What are some Causes of Xerostomia? (5)
drugs
dehydration
anxiety
radiotherapy of the head and neck
sjogrens syndroms
