Freitag, 21. Mai 2010
Mittwoch, 19. Mai 2010
Dienstag, 18. Mai 2010
Sonntag, 16. Mai 2010
Guided bone regeneration using autologue bone graft for the aesthetic area.
Aesthetic and functional restoration with implant supported crowns
Clinical picture of implant supported crowns
Wax up of study casts for correct treatment planning
Dienstag, 11. Mai 2010
Patient treatment decision tree
Chronic Apical Periodontitis with sufficient orthograde RCT
CAP persistence (Mah TF, O Toole GA. Mechanisms of biofilm resistance to antimicrobial agents. Trends Microbiol 2001;56:672-7 / Russel AD. Biocide use and antibiotic resistance: the relevance of laboratory findings to clinical and environmental situation. Lancet Infect Dis 2003; 3:794-803)
Factors influencing Periapical Wound Healing:
1. Infection
2. Foreign bodies
3. Systematic disease
4. impaired host s immune system
Treatment options
1. Surgical retreatment
1.1 Surgical Retreatment RCT without graft
1.2 Surgical Retreatment with guided bone regeneration
Evidence for both procedures is controversial.
Evidence available for the use of autogenous bone graft.
Evidence available for the use of growth factors (PRGF).
2. Extraction
2.a Without socket preservation
Risk of bone resorption ==> buccal bone plate to resorp faster (first 3 months)
2.b With socket preservation
Evidence available to support procedure.
2.1 No further treatment
2.2 Removable device
2.3 Bridge
2.4 Implant
No further treatment
Benefits
"0"
Disadvantages
Bone resorption
Function limitations
Aesthetics issues
Tilting of neighbough teeth
Extrusion of antagonist teeth
Removable device
Benefits
Fast
Reduced costs
Disadvantages
Bone resorption
Function limitations
Aesthetic issues
Reduced retention
Bridge
Benefits
Time saving
Costs
Disadvantages
Bone resorption
Aesthetic issues
Removal of healthy tooth structure (adjacents teeth) long term ==> creates problems?
Implant
Benefits
Maintain bone
Preventive treatment measure
Disadvantages
Costs
Prolonged treatment time
Optional graft needed
Temporization
CAP persistence (Mah TF, O Toole GA. Mechanisms of biofilm resistance to antimicrobial agents. Trends Microbiol 2001;56:672-7 / Russel AD. Biocide use and antibiotic resistance: the relevance of laboratory findings to clinical and environmental situation. Lancet Infect Dis 2003; 3:794-803)
Factors influencing Periapical Wound Healing:
1. Infection
2. Foreign bodies
3. Systematic disease
4. impaired host s immune system
Treatment options
1. Surgical retreatment
1.1 Surgical Retreatment RCT without graft
1.2 Surgical Retreatment with guided bone regeneration
Evidence for both procedures is controversial.
Evidence available for the use of autogenous bone graft.
Evidence available for the use of growth factors (PRGF).
2. Extraction
2.a Without socket preservation
Risk of bone resorption ==> buccal bone plate to resorp faster (first 3 months)
2.b With socket preservation
Evidence available to support procedure.
2.1 No further treatment
2.2 Removable device
2.3 Bridge
2.4 Implant
No further treatment
Benefits
"0"
Disadvantages
Bone resorption
Function limitations
Aesthetics issues
Tilting of neighbough teeth
Extrusion of antagonist teeth
Removable device
Benefits
Fast
Reduced costs
Disadvantages
Bone resorption
Function limitations
Aesthetic issues
Reduced retention
Bridge
Benefits
Time saving
Costs
Disadvantages
Bone resorption
Aesthetic issues
Removal of healthy tooth structure (adjacents teeth) long term ==> creates problems?
Implant
Benefits
Maintain bone
Preventive treatment measure
Disadvantages
Costs
Prolonged treatment time
Optional graft needed
Temporization
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