He said vibrations caused by drilling for ordinary fillings could damage the nerve and cause root canal work later in life.
So far Mr Hansen has treated nearly 600 patients needing root canal work with this method and claims he has achieved an almost 100% success rate.
He said that although the work takes longer than traditional methods, it is cheaper as it eliminates the need to carry out costly root canal work and crowns.
"We will be doing the work when the canal is closed between October and March and the towpath will remain open, " said Mr Higham.
He completed his first, a half-scale replica of Noah's Ark, in 2004, and used it to take tourists on canal trips, before beginning work on a full-scale version in 2008.
Work includes restoring the canal from Compasses Bridge to Tickner's Heath.
Work will start on the canal hub and canal extension, and the fabrication of the 30m (98ft) "kelpie" sculptures.
As noted by the Center for Security Policy last month (1) , one of Hutchison's subsidiaries secured long-term leases at either end of the Panama Canal two years ago and is currently hard at work acquiring a presence for China at other strategic "choke points" around the world, including notably the Caribbean's Bahamas, the Mediterranean's Malta and the Persian Gulf's Straits of Hormuz.
By 1889, eight years after work began, only a third of the canal had been excavated.
In 1859, work began on the construction of the Suez Canal, under the direction of Ferdinand de Lesseps.
Work has started to repair part of a Cheshire canal which collapsed in flooding last year.
During the work, boats will be given passage along the canal, including a 1920s tall ship docked at Gloucester.
Conversely, the ransoms mean higher insurance premiums for the rattled shipping industry, delays for customers as more ships choose the longer passage around the Cape of Good Hope, lower revenues for the Suez Canal, and for the oil markets yet another variable to work into already volatile prices.
Sections of the canal need to be drained of water in order to complete the work.
Work on the Helix project, which also includes a canal extension, pathways and cycle networks, began in February 2011.
Volunteers restoring a canal that runs though Surrey and West Sussex are hoping to start work on another lock.
He said the council received a progress report on the restoration work for the Clones to Upper Lough Erne section of the Ulster Canal, and a presentation from Waterways Ireland on the development of the Shannon-Erne waterway.
Building work is due to begin on a new pedestrian bridge over the Basingstoke Canal in Surrey.
Other work being carried out includes public artwork and a waterway linking Grangemouth to the Scottish canal network.
It is hoped the work will be completed in time for the 200th anniversary of the opening of the canal next year.
The work will also see a bridge built over the River Tone and the Bridgwater and Taunton Canal close to Priory Fields Business Park.
Since then they have put in more than 2, 500 days of voluntary work, moving an estimated 300, 000 tonnes of mud from the route of the canal and its locks.
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