Dental Demolition Flashcards
What is meant by the term dental demolition?
Deconstruction and removal of previous restorations, in an attempt to re-restore or preserve teeth.
What procedures may be involved for dental demolition?
Restoration removal
Indirect restoration placement
Repeated endos
Posts
Extractions
Why is dental demolition common place for toothwear patients?
Toothwear patients frequently break or wear down restoration.
What factors should be considered when planning demolition of restorations?
Clear risks/benefits explained to patient
Clarity and honesty about longevity of new treatment
Realistic aesthetic objectives
Appropriate information
Valid consent
What protective elements should be considered when removing restorations?
Eye protection
Surgical gloves
Patient eye protection
Airway protection (Rubber dam, suction)
What bur should be used to cut porcelain?
Coarse diamond bur
What bur should be used to cut metal?
Gold cutting bur
How should a MCC crown be removed?
Bisected from buccal surface upwards, gold cutting bur to remove crown, can use chisel to remove in two large pieces.
Can be further bisected into 4.
Which is harder to cut through, non precious metal or precious metal?
Non-precious metal.
What special tool scan be used to help remove crowns?
Sliding hammers / matrices
Enamel chisel
What should you consider when removing a crown/bridge?
Can I keep this to use as a temporary
What is the state of the tooth or core
Will it need another endo treatment
What errors may have led to a root canal treatment failure?
Narrow or curved canals were not treated during the initial procedure.
Complicated canal anatomy went undetected in the first procedure.
The placement of the crown or other restoration was delayed following the endodontic treatment.
The restoration did not prevent salivary contamination to the inside of the tooth.
What % of endo retreatments are successful?
80% successful healing, lasting four years minimum.
What extra medicaments may be useful when retreating root canals?
Eucalyptus/Turpentine oil
What specialist equipment may help with problematic retreatments?
Endo ultrasonics
Magnification
