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Full arch · Six posts
Where the jaw has bone to take them, All-on-6 implants share the chewing load more evenly than four and leave margin if a single post ever has a problem. It asks for more bone and more surgical sites in return.
More anchors
Chewing force on a full arch is considerable, and every post carries a share of it. All-on-6 spreads that force across more bone, which suits heavy bites, longer arches and people who grind. It also means the bridge is not resting entirely on four points, so a single problem post is far less dramatic.
The cost of that margin is bone and surgery. Six sites need bone in six places, so cases that would have gone ahead on All-on-4 Implants without grafting sometimes need a Dental Bone Graft to support six.
Whether All-on-6 is right is a scan question, not a preference. Where both are viable we set them out with their figures on Full Mouth Cost and let you choose.
How it works
The scan has to show enough bone at six sites, not four. This is where the two protocols separate.
All six posts go in at a single appointment, usually with sedation, alongside any extractions the plan calls for.
Several months of healing on soft food. More posts does not mean faster healing; the bone still sets the pace.
The permanent bridge is made and fitted, then the bite is balanced so the load really is shared across all six.
Who it suits
All-on-6 tends to be chosen for people who grind, for lower jaws where bone is usually denser, and where the opposing jaw already has its own fixed bridge and so bites harder than a denture would. It is also the safer plan where a patient could not easily take time off if a post had to be redone.
If the honest answer is that neither four nor six is affordable right now, say so at the consultation. Implant Supported Dentures and an Implant Overdenture anchor to fewer posts, and Full Mouth Restoration lays out every route side by side.
Related treatments
What sits either side of six posts on cost and on complexity.
Four posts, angled at the back to use the bone already there.
Learn moreBoth jaws restored, planned together so the bite works as one.
Learn moreA denture anchored on posts instead of resting on the gum.
Learn moreClips onto the posts and lifts out for cleaning at the sink.
Learn moreCommon questions
When six beats four, extra cost, and whether it lasts longer.
Virginia Beach patients
I grind badly so they recommended six rather than four. Explained the reasoning instead of just quoting a bigger number.
Needed grafting to support six. Longer road but I wanted the margin and they laid out both options.
Bottom was already fixed so the top had to take a real bite. Six made sense once they put it that way.
Bite balancing at the end took two visits. Fussier than I expected and better for it.
From the blog
Next step
The scan shows whether there is bone at six sites or four, and whether grafting would be needed to reach six. You get both plans with their timelines and figures where both are realistic.
Licensed dentists · CBCT imaging on site · Written treatment plans