Advertising feature
Six months with the Reciproc system
By Stephen Martin BDS, PG Dip, MJDF RCS (Eng)
The Reciproc system Many readers will be aware of the new reciprocating single file techniques avail- able to prepare canals safely, efficiently, and effectively. The Reciproc system by VDW was released in 20ıı as a result of the work done by Ghassan Yared using a single rotary Nickel Titanium file in a recipro- cating action to prepare canals1. Following this ground-breaking work, the Reciproc system was developed. Reciproc works on a simple concept of
alternating clockwise and anti-clockwise movement to advance down the path of the canal, as passively as possible, thus reducing risk of transportation, and dramatically reducing the risk of instru- ment fracture. The file is constructed of a heat treated nickel titanium alloy, ‘M-Wire’, which further reduces the risk of instrument fracture due to its resistance to cyclic fatigue and increased flexibility. The reciprocating action of the file itself is by no means new, and is simply an extension of the balanced force, or watch-winding action that will be familiar to users of hand file preparation techniques2. This prepara- tion technique is in many ways a more natural way to prepare a canal than 360 degree rotation of a file. The system is designed to allow complete
preparation of most canals with a single file, in many cases with no glide path required. This is clearly a great advantage over many rotary systems, which involve multiple files, at significant cost, which must be discarded after a single use. The single use concept is incorporated into the Reciproc file design, as the instrument has a plastic band on the shaft which cannot tolerate autoclaving. Files are provided in gamma radiation-sterilised blister packs.
The Reciproc technique There are three available Reciproc files with differing apical diameters of ISO 25, 40, and 50. The appropriate file size is selected based on the pre-operative radio-
68 Scottish Dental magazine 36 and 46 prepared with Reciproc and obturated with warm vertical condensation
graphic appearance of the canal or canals to be prepared. Once the file has been selected and access achieved under rubber dam isolation, the selected Reciproc instrument is used in an in and out pecking motion for a maximum of three pecks. The file should then be cleaned and the
canal thoroughly irrigated with Sodium Hypochlorite. A K file should then be used to ensure that there is still canal patency. The Reciproc Instrument is used repeatedly in this way until the canal has been prepared to approximately 2/3 of its estimated working length. At this stage after further irrigation the working length should be determined either radiographi- cally or with an Electronic Apex Locator. Preparation can then be completed with
the Reciproc file to length in the same manner if the canal is passively negotiable with a number ı0 K file. In more difficult cases, where a number ı5 K file cannot be passively introduced to length a glide path preparation should first be carried out up to a size ı5 K File before completion of preparation with the Reciproc Instrument. The coronal flaring of the canal can also be carried out with the same instrument by
“This technique is in many ways a more natural way to prepare a canal”
Stephen Martin
using it in an outward brushing motion, in the same way as one would use a Gates Glidden or intro rotary file.
Advantages of the Reciproc system The Reciproc system has clear advan- tages over both traditional hand filing and rotary instrumentation. By effectively mechanising the same movements as area carried out in hand filing a canal, all the advantages of speed of preparation and efficiency are gained without the risks of instrument fracture and canal transporta- tion that many practitioners associate with mechanical canal preparation. So it is an ideal instrument for those who may have held back from rotary instruments because of these concerns3. The system is extremely easy to use, with
no file sequence to learn, and no changing of torque or speed settings. This simplicity of use and the speed of preparation4 have the major advantage of allowing more time for irrigation of the canal system, which is the key to successful endodontic treatment. The nature of the single file system
means there is a clear cost advantage over any of the available rotary systems, and removes the frustrating experience of discarding expensive instruments which have often hardly been used.
Recommendations for new users of the Reciproc system I would always encourage use of at least a number ı0 K file to approximate WL as, in my opinion it is a good idea to have some tactile feel of the canals prior to intro-
Page 1 |
Page 2 |
Page 3 |
Page 4 |
Page 5 |
Page 6 |
Page 7 |
Page 8 |
Page 9 |
Page 10 |
Page 11 |
Page 12 |
Page 13 |
Page 14 |
Page 15 |
Page 16 |
Page 17 |
Page 18 |
Page 19 |
Page 20 |
Page 21 |
Page 22 |
Page 23 |
Page 24 |
Page 25 |
Page 26 |
Page 27 |
Page 28 |
Page 29 |
Page 30 |
Page 31 |
Page 32 |
Page 33 |
Page 34 |
Page 35 |
Page 36 |
Page 37 |
Page 38 |
Page 39 |
Page 40 |
Page 41 |
Page 42 |
Page 43 |
Page 44 |
Page 45 |
Page 46 |
Page 47 |
Page 48 |
Page 49 |
Page 50 |
Page 51 |
Page 52 |
Page 53 |
Page 54 |
Page 55 |
Page 56 |
Page 57 |
Page 58 |
Page 59 |
Page 60 |
Page 61 |
Page 62 |
Page 63 |
Page 64 |
Page 65 |
Page 66 |
Page 67 |
Page 68 |
Page 69 |
Page 70 |
Page 71 |
Page 72 |
Page 73 |
Page 74 |
Page 75 |
Page 76 |
Page 77 |
Page 78 |
Page 79 |
Page 80 |
Page 81 |
Page 82 |
Page 83 |
Page 84 |
Page 85 |
Page 86 |
Page 87 |
Page 88