All on 4 and 6 vs Basal Implants
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Consideration
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Basal implants
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All on – 4
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All on -6
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Relative Risk of Failure
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No risk.
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If one implant fails, then all the implants fail.
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Less risky
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Cantilevers
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No cantilevers placed
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Cantileevers placed – It is the reason for high failure rate
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Cantilevers placed- the reason for the high failure rate
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Type of Implants
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Single piece Implants. Combination of compression screw, Basal Implants and Tubero-Pterygoid Implants are used. No screw loosening and no crestal bone loss.
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Abutment is connected to implant with Screw assembly. Hence Screw loosening is a problem
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Abutment is connected to implant with Screw assembly. Hence Screw loosening is a problem
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Type of Prostthesis
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Ceramic / Zirconia/ Cement retained fixed metal reinforced hybrid Acrylic- Composite teeth.
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Screw retained Acrylic denture. Screw loosening is a problem |
Screw retained Acrylic denture. Screw loosening is a problem |
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Infection
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No peri-implantitis when Basal Implants used.
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Peri-implantitis
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Peri-implantitis
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Number of Implants
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6-8 for lower jaw. 10-12 for upper jaw.
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4 implants per Jaw
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6 implants per jaw
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Number of Teeth
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12-14 teeth in each jaw. Teeth replaced till first or second molar.
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10 teeth
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10 teeth
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Treatment Period
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3 days for any case
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1 weeks to 3 months (for selected case – 3-5 days)
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3 – 8 months (for selected case : 3 – 5 days)
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Follow up Visit –
only Check up
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10th day, 1, 2, 6 month & 1 & 2 year mandatory
for best prognosis.
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10th day, 1, 2, 6 month & 1 & 2 year mandatory
for best prognosis.
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10th day, 1, 2, 6 month & 1 & 2 year mandatory
for best prognosis.
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