Nankali-post system

The Nankali-post system is a modified-designed-post, which is used in dental restoration. This post consist of a single parallel smooth or serrated post and an additional circle ring around it.
The additional single-circle ring increases the contact surface area between the core and involved hard tissue of tooth significantly. Increased contact surface area raises the level of force between to objects followed by declining the number of fails in treatment.

Advantages
Basically, the majority of the advantages of the Nankali-post System are the same as other post and core systems; however, there are some additional issues which make it different such as: increasing the contact surface between the hard tissue of tooth and post and core, minimum required preparation of the hard tissue, rising treatment efficiency, declining the number of difficulties at the time of tooth preparation and most importantly suitable for treatment of those teeth, in which there is a difficulty to dip in the root canal more than 50% of root length , and therefore they had to be extracted before.
The Nankali-post can be used for treating both single or multy-roots teeth and also in combination with other type of posts.
The insertion ring increases the level of fixation, distribute equally mastication pressure and provide appropriate condition for prosthetics.
Fractured teeth
Nankali-post is suitable for those types of fractions, in which the fracture line passes to the crown. In this situation, after root canal treatment and preparation it is possible to use this type of post.
Four years observation of patients treated by this method, confirmed a 100% result without any complication in the National Medical University at the .
Treatment with the Nankali- post
The essential requirement for using the Nankali-post is its bore, which is designed in different sizes to produce an additional circle ring around the canal of a tooth.
The same as traditional treatment method of any post and core, the root canal has to be treated and filled by an inert gutta percha or similar material. Then root canal needs to be prepared with the maximum possible depth for the second stage. Yet, the minimum essential requirement of canal is one third of its length, which is necessary to fix the core.
In the next stage, using the Nankali-post’s bore, the additional circle ring around the canal of tooth will prepare, followed by taking dental impression and casting the core.
It is possible to use different material such as metals or the high strong fibres.
Bore
The designed bore (Nankali-bore) for treating a tooth is a bore consist of a central guider and two symmetrical cuter to produce a single-circle ring. This bore is used after preparation the root canal.
The two main advantages of this bore are speed in preparation root canal and its accuracy. The bore designed in different sizes, which make it available for using in treatment different teeth. The depth of the prepared ring is in direct proportion with the size of bore.
History
Nankali-post was designed in 1997 by Dr. Ali Nankali in the at the Orthopedic and Implant Stomatology Department.
For the first time It presented at the 54Th Medical Science Conference of Students & Young Scientists in 1999, which was organized by Ukraine Health Ministry and National Medical University known as O.O. Bogomolets and Society Science Students known as O.O. Kisilia.
In 1999 it was requested for patent and became a part of research at the Orthopedic and Implant Stomatology Department of the National Medical University. This new modified post was under study till 2004 and then attested by the Dental Scientific Board of the Ukraine.
During four years observation (2000-2004 / National Medical University in Kiev), the number of reported complication from patient, whom were treated with the Nankali-post was zero.

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