Cutting-edge technology


In a new series of articles, Hussein Hassanali discusses essential tools for every young dentist. To launch the series he introduces the Newtron P5 XS.

Minimally invasive dentistry are the words on dentists’ lips. It was only a decade ago that veneers were considered the minimal approach to aesthetic dentistry. Fast forward to the present day and it’s not just aesthetic dentistry, but also conventional dentistry that’s been hit by the MI bug. Indirect restorations have been replaced by an all-round holistic approach to delivering the latest in dental care. Advances in piezo-electric technology have offered me the opportunity to easily integrate the MI philosophy to my day-to-day practise.

The high frequency vibrations from piezo-electric units and handpieces allow me to preserve more unaffected tooth tissue by only removing what is clinically necessary. When compared to traditional ultrasonics, there is an increase in the fragmentation and elimination of deposits. These traits have allowed me to be more precise with my treatments while being more comfortable for patients. There is also the added psychological benefit that there is less ‘drilling’.

What did I get?

After researching the available units on the market and meeting their representatives, I finally decided what to get. Personally, for me, I went for the Newtron P5 XS from Acteon. It wasn’t an easy decision, but there were some excellent advantages that swung my decision. Most notably, these were the simplicity of use with the colour-coded system for selecting the right power setting for each treatment, the range of tips available and the external irrigation system, which can be used with any type of irrigant.

Periodontics

For scaling and periodontal treatments, the BLED technology in the handpieces highlight dental plaque deposits. This has been demonstrated to be more effective by removing up to 20% more plaque while reducing treatment time. This can also be used to demonstrate the accumulation of plaque retentive areas to patients.

There is also a range of titanium-coated tips for maintenance around implants.

Direct restorations

Cavity preparations have moved away from Black’s classification to saucer shaped cavities that don’t leave undercuts to reduce the stresses placed on the tooth.

The Excavus kit possesses all the diamond tips for any class of cavity design, while the vibrations leave clean cavity margins that are free of plaque for excellent bonding.

The educated guesswork of removal of carious dentine is made easier as healthy dentine is preserved. Therefore, cavity preparations can be completed safe in the knowledge that the tooth is disturbed as little as possible.

Indirect restorations

It only takes a slight slip of a traditional turbine handpiece to cut an accidental notch into your preps or to nick the gingival sulcus. The Perfectmargin tips mean that I can get smooth margins on my preps. The polish left after following the finishing sequence produces smooth (and subgingival if desired) margins and preps that are well replicated with impression taking. Smoother margins also make things easier for technicians when constructing your crowns and bridges.

There is also a tip for removal of crowns without the need for sectioning, thus reducing the risk of damaging the underlying tooth.

Endodontics

The successful outcome of root canal treatments requires well executed protocols in several areas. Modern endodontics has focused on the minimal preparation of both coronal and canal dentine. Location of the canals and gaining coronal access can be tricky, especially in the presence of large chunks of reparatory dentine and pulp stones.

Magnification is always the most important tool for endodontics; but the access preparation with ultrasonic tips, just as with cavity preps, again preserves healthy dentine. The second benefit is with irrigation, where sodium hypochlorite can be used as the irrigant. The energised liquid is able to better penetrate lateral canals while removing debridement and the smear layer.

Is it worth it?

As a general dentist, I’ve found that this one unit has proved to be very versatile. It covers all the bases of the usual treatments that I would be expected to perform. Patients find it more pleasant, which in turn helps to build my relationships with them.

I don’t use all of the tips to their full potential, and there are certainly a lot more available.

When weighed up, this is a very useful piece of equipment for both generalist and specialist.


For more information and clinical resources, visit www.acteongroup.com/uk-en.


Hussein Hassanali

Hussein Hassanali

Author at Young Dentist

Hussein Hassanali qualified in 2009 from Liverpool University. He spends most of his time providing NHS dentistry.

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