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NobelActive Internal and External Hex Implants Nobel Marketing Claims this is the “Implant of the Future”. NobelActive is a Conglomeration of Common Features that work individually but not necessarily in combination. Screw-Vent Internal Hex/bevel Niznick Patent 1986. Astra 11Deg. Bevel.
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Screw-Vent Internal Hex/bevelNiznick Patent 1986
Astra 11Deg. Bevel
NobelActive hex too deep to allow for 8mm implant length
45 Deg. Bevel Bevel with proven 20 year history of stability
Osstem’s double Threads over entire length. NobelActive transition of sharp to flat threads not contusive for self-tapping insertion in dense bone
Oraltronics’ Pitt-Easy Implant with Deep Apical Threads
Alpha Bio Clone with Conical Connection
NobelActive External -With External Locking Taper ConnectionNobel Marketing Claims this is the “Implant of the Future”
1.5mm High External Hex 3.5mm Morse Taper Post
NobelActive External - 5mm high tapered post requires parallelism Miter Implant with External Post – Evolved quickly to Internal Socket (Bicon)
“Those who cannot remember the past are condemned to repeat it” QUOTATION:George Santayana (1863–1952), U.S. philosopher,
Driskell Patent 1985: Tapered Post on Implant“Locking taper concept – impacting the female taper of the implant head with the male counterpart on the root structure.”
Driskell Patent 1988: Tapered Socket in ImplantLocking Taper Concept “The head member has … a tapered rod or socket for connection to the root”
ABOVE: Nobel Claims NobelActive success of “98.3% for up to 4 years” BELOW: Alpha Bio’s Catalog Claims same 98.3% success “after more than 5 years” but the surface is SLA (sand blasted with large grit followed by acid etching) like Straumann’s Surface
“ability to change direction during surgery”
“unique press-fit connection of abutment –
-removes risk of excess cement”
NobelActive Internal and External implants don’t cut throughbone like
Higher than What – Replace? Increased stability achieved by spreading bone whereas deep threads cut bone
Self-threading – like any screw in soft bone.
Path of implant insertion should be established during surgery, not during implant insertion. That is what guide pins and end-cutting drills are for.
Nothing unique about press-fit connection. Miter Implant (1980) had external tapered post – evolved to internal press-fit connection of Bicon
If cement is a risk, why does NobelActive Internal have a screw-retained connection?
Why does NobelActive have spiral cutting grooves if not to “cut through bone like conventional (self-tapping) implants”?Nobel Biocare’s NobelActive Marketing Claims
NobelActive Marketing Claims
Questionable Validity of Marketing Claims
conventional implants, they press through it like a corkscrew
Claims are not Valid
Narrow Neck of NobelActive Requires Bone and Soft tissue Grafting to fill defect left at crest of ridge
ScrewDirect $150 incl. Snap Transfer & Cap
NobelActive ExternalRequires Attachment of one of these four abutments
Heads of Implant exposed above bone
Straight Friction-fit abutment too long
Try in straight abutment.. Too long but locks in
Tried to remove abutment with Forceps
Jack off abutment using Removal Screw
Shorter Abutment attached to Implants
Shorter Abutment attached to Distal Implant
Tap on Taper Lock Abutments with Mallet
NobelActiveNo Taper to OD of Threads
ScrewPlantGradual Taper for Bone Expansion
Deep apical threads will not expand narrow ridge or compress soft bone
Soft Bone (Balsa) = 3.91 in/lbs Insertion TorqueHard Bone (Oak) = 6.35 in/lbs Insertion Torque
3.0Deg.ReActive with Tri-Lobe Connection and Platform Switching