MAINTENANCE PHASE IN RESTORATIVE DENTISTRY

Question 1

what are the indicators for how long something will last

Answer 1

1) build quality
- intra oral assembly
- more tooth substance, cleaner more likely it will lasy
- depends on biological substrate and quality of building materials, operator skill set, facilities and time
2) Loading
- direct and indirect loading forces
- functional or parafunctional (eg bruxism)
3) environment
- wet
- temp changes
- variable ph
- tooth material interactions
- bacterial biofilms
4) maintenance
- comprehensive purpose designed maintenance service schedule
- fundamental to survival
- discussed and agreed before finalising treatment strategy

Question 2

what to do at review

Answer 2

check for new or continuing disease
check adequacy of existing restorations
check complaince with maintenance protocol
determine future recall periods

Question 3

periodontal disease existence based on

Answer 3

• poor plaque control
• failure to treat established disease
• failure to maintain treated disease
• endo/perio problems

Question 4

what to use for recurrent caries /root

Answer 4

GIC cements

dentine bonded composites

Question 5

technical failure examples

Answer 5

• fractured restorations
• marginal breakdown
• tooth fracture
• defective contour
• appearance
• retention failure