Restor Dent Endod.  2022 Feb;47(1):e3. 10.5395/rde.2022.47.e3.

Comparison of shaping ability of the Reciproc Blue and One Curve with or without glide path in simulated S-shaped root canals

• Biasillo V
• Castagnola R
• Colangeli M
• Panzetta C
• Minciacchi I
• Plotino G
• Staffoli S
• Marigo L
• Grande NM

• KMID: 2548112
• DOI: http://doi.org/10.5395/rde.2022.47.e3

Abstract

Objectives
This study aimed to assess the impact of a glide-path on the shaping ability of 2 single-file instruments and to compare the centering ability, maintenance of original canal curvatures and area of instrumentation in simulated S-shaped root canals.
Materials and Methods
Forty simulated S-shaped root canals were used and were prepared with One Curve (group OC), One G and OC (group GOC), Reciproc Blue (group RB) and R-Pilot and RB (group PRB) and scanned before and after instrumentation. The images were analyzed using AutoCAD. After superimposing the samples, 4 levels (D1, D2, D3, and D4) and 2 angles (Δ1 and Δ2) were established to evaluate the centering ability and modification of the canal curvatures. Then, the area of instrumentation (ΔA) was measured. The data were analyzed using 2-way analysis of variance and Tukey's test for multiple comparisons (p < 0.05).
Results
Regarding the centering ability in the apical part (D3, D4), the use of the glide-path yielded better results than the single-file groups. Among the groups at D4, OC showed the worst results (p < 0.05). The OC system removed less material (ΔA) than the RB system, and for Δ1, OC yielded a worse result than RB (p < 0.05).
Conclusions
The glide-path improved the centering ability in the apical part of the simulated S-shaped canals. The RB system showed a better centering ability in the apical part and major respect of the canal curvatures compared with OC system.

Keyword

Centering ability; Glide-path; Instrumentation; Root canal preparation

Figure

• 

  Figure 1 The 4 levels defined in the artificial canals: The beginning of artificial canal (D1); the center of the first curvature (D2); the center of the second curvature (D3); apex level (D4).

• 

  Figure 2 Superimposition of the artificial canal before (red) and after shaping (blue) and the measurement of centering ability (yellow line).

• 

  Figure 3 The angles of the 2 curvatures (angle 1, green; angle 2, blue).

• 

  Figure 4 The 4 simulated resin blocks groups after superimposition, R-Pilot and Reciproc Blue (RPB) (A), Reciproc Blue (RB) (B), One Curve (OC) (C), One G and One Curve (GOC) (D).

Reference

1. Walia HM, Brantley WA, Gerstein H. An initial investigation of the bending and torsional properties of Nitinol root canal files. J Endod. 1988; 14:346–351. PMID: 3251996.

2. Bürklein S, Hinschitza K, Dammaschke T, Schäfer E. Shaping ability and cleaning effectiveness of two single-file systems in severely curved root canals of extracted teeth: Reciproc and WaveOne versus Mtwo and ProTaper. Int Endod J. 2012; 45:449–461. PMID: 22188401.

3. Plotino G, Grande NM, Testarelli L, Gambarini G. Cyclic fatigue of Reciproc and WaveOne reciprocating instruments. Int Endod J. 2012; 45:614–618. PMID: 22268461.

4. De-Deus G, Arruda TEP, Souza EM, Neves A, Magalhães K, Thuanne E, Fidel RAS. The ability of the Reciproc R25 instrument to reach the full root canal working length without a glide path. Int Endod J. 2013; 46:993–998. PMID: 23560929.

5. Zuolo ML, Carvalho MC, De-Deus G. Negotiability of second mesiobuccal canals in maxillary molars using a reciprocating system. J Endod. 2015; 41:1913–1917. PMID: 26443438.

6. Yun HH, Kim SK. A comparison of the shaping abilities of 4 nickel-titanium rotary instruments in simulated root canals. Oral Surg Oral Med Oral Pathol Oral Radiol Endod. 2003; 95:228–233. PMID: 12582365.

7. Schäfer E, Florek H. Efficiency of rotary nickel-titanium K3 instruments compared with stainless steel hand K-Flexofile. Part 1. Shaping ability in simulated curved canals. Int Endod J. 2003; 36:199–207. PMID: 12657146.

8. Peters OA. Current challenges and concepts in the preparation of root canal systems: a review. J Endod. 2004; 30:559–567. PMID: 15273636.

9. Greene KJ, Krell KV. Clinical factors associated with ledged canals in maxillary and mandibular molars. Oral Surg Oral Med Oral Pathol. 1990; 70:490–497. PMID: 2216387.

10. Schäfer E, Vlassis M. Comparative investigation of two rotary nickel-titanium instruments: ProTaper versus RaCe. Part 1. Shaping ability in simulated curved canals. Int Endod J. 2004; 37:229–238. PMID: 15056349.

11. Plotino G, Nagendrababu V, Bukiet F, Grande NM, Veettil SK, De-Deus G, Aly Ahmed HM. Influence of negotiation, glide path, and preflaring procedures on root canal shaping-terminology, basic concepts, and a systematic review. J Endod. 2020; 46:707–729. PMID: 32334856.

12. Ruddle CJ, Machtou P, West JD. Endodontic canal preparation: innovations in glide path management and shaping canals. Dent Today. 2014; 33:118–123.

13. Berutti E, Cantatore G, Castellucci A, Chiandussi G, Pera F, Migliaretti G, Pasqualini D. Use of nickel-titanium rotary PathFile to create the glide path: comparison with manual preflaring in simulated root canals. J Endod. 2009; 35:408–412. PMID: 19249606.

14. Pasqualini D, Bianchi CC, Paolino DS, Mancini L, Cemenasco A, Cantatore G, Castellucci A, Berutti E. Computed micro-tomographic evaluation of glide path with nickel-titanium rotary PathFile in maxillary first molars curved canals. J Endod. 2012; 38:389–393. PMID: 22341081.

15. Plotino G, Grande NM, Testarelli L, Gambarini G, Castagnola R, Rossetti A, Özyürek T, Cordaro M, Fortunato L. Cyclic fatigue of reciproc and reciproc blue nickel-titanium reciprocating files at different environmental temperatures. J Endod. 2018; 44:1549–1552. PMID: 30144990.

16. De-Deus G, Silva EJNL, Vieira VTL, Belladonna FG, Elias CN, Plotino G, Grande NM. Blue thermomechanical treatment optimizes fatigue resistance and flexibility of the reciproc files. J Endod. 2017; 43:462–466. PMID: 28131415.

17. Özyürek T, Uslu G, Gündoğar M, Yılmaz K, Grande NM, Plotino G. Comparison of cyclic fatigue resistance and bending properties of two reciprocating nickel-titanium glide path files. Int Endod J. 2018; 51:1047–1052. PMID: 29478247.

18. Staffoli S, Grande NM, Plotino G, Özyürek T, Gündoğar M, Fortunato L, Polimeni A. Influence of environmental temperature, heat-treatment and design on the cyclic fatigue resistance of three generations of a single-file nickel-titanium rotary instrument. Odontology. 2019; 107:301–307. PMID: 30483996.

19. Yılmaz K, Uslu G, Gündoğar M, Özyürek T, Grande NM, Plotino G. Cyclic fatigue resistances of several nickel-titanium glide path rotary and reciprocating instruments at body temperature. Int Endod J. 2018; 51:924–930. PMID: 29385639.

20. Cunningham CJ, Senia ES. A three-dimensional study of canal curvatures in the mesial roots of mandibular molars. J Endod. 1992; 18:294–300. PMID: 1402588.

21. Berutti E, Negro AR, Lendini M, Pasqualini D. Influence of manual preflaring and torque on the failure rate of ProTaper rotary instruments. J Endod. 2004; 30:228–230. PMID: 15085052.

22. Patiño PV, Biedma BM, Liébana CR, Cantatore G, Bahillo JG. The influence of a manual glide path on the separation rate of NiTi rotary instruments. J Endod. 2005; 31:114–116. PMID: 15671822.

23. D'Amario M, Baldi M, Petricca R, De Angelis F, El Abed R, D'Arcangelo C. Evaluation of a new nickel-titanium system to create the glide path in root canal preparation of curved canals. J Endod. 2013; 39:1581–1584. PMID: 24238451.

24. Roland DD, Andelin WE, Browning DF, Hsu GHR, Torabinejad M. The effect of preflaring on the rates of separation for 0.04 taper nickel titanium rotary instruments. J Endod. 2002; 28:543–545. PMID: 12126387.

25. Peters OA, Peters CI, Schönenberger K, Barbakow F. ProTaper rotary root canal preparation: effects of canal anatomy on final shape analysed by micro CT. Int Endod J. 2003; 36:86–92. PMID: 12657151.

26. Abu Haimed A, Abuhaimed T, Dummer P, Bryant S. The root canal shaping ability of WaveOne and Reciproc versus ProTaper Universal and Mtwo rotary NiTi systems. Saudi Endod J. 2017; 7:8–15.

27. Yared G. Canal preparation with only one reciprocating instrument without prior hand filing: a new concept. Peterborough: Quality Endodontic Distributors Ltd;2010. p. 1–8.

28. Uslu G, Özyürek T, Yılmaz K, Gündoğar M. Cyclic fatigue resistance of R-Pilot, HyFlex EDM and PathFile nickel-titanium glide path files in artificial canals with double (S-shaped) curvature. Int Endod J. 2018; 51:584–589. PMID: 28856692.

29. Topçuoğlu HS, Düzgün S, Aktı A, Topçuoğlu G. Laboratory comparison of cyclic fatigue resistance of WaveOne Gold, Reciproc and WaveOne files in canals with a double curvature. Int Endod J. 2017; 50:713–717. PMID: 27344032.

30. Hulsmann M, Peters OA, Dummer PMH. Mechanical preparation of root canals: shaping goals, techniques and means. Endod Topics. 2005; 10:30–76.

31. Zhang L, Luo HX, Zhou XD, Tan H, Huang DM. The shaping effect of the combination of two rotary nickel-titanium instruments in simulated S-shaped canals. J Endod. 2008; 34:456–458. PMID: 18358896.

32. Keskin C, Sarıyılmaz E, Demiral M. Shaping ability of Reciproc Blue reciprocating instruments with or without glide path in simulated S-shaped root canals. J Dent Res Dent Clin Dent Prospect. 2018; 12:63–67.

33. Bürklein S, Poschmann T, Schäfer E. Shaping ability of different nickel-titanium systems in simulated S-shaped canals with and without glide path. J Endod. 2014; 40:1231–1234. PMID: 25069939.

34. Navós BV, Hoppe CB, Mestieri LB, Böttcher DE, Só MVR, Grecca FS. Centering and transportation: in vitro evaluation of continuous and reciprocating systems in curved root canals. J Conserv Dent. 2016; 19:478–481. PMID: 27656071.

35. Jain A, Asrani H, Singhal AC, Bhatia TK, Sharma V, Jaiswal P. Comparative evaluation of canal transportation, centering ability, and remaining dentin thickness between WaveOne and ProTaper rotary by using cone beam computed tomography: an in vitro study. J Conserv Dent. 2016; 19:440–444. PMID: 27656063.

36. Yao J, Sun Y, Yang M, Duan Y. Chemistry, physics and biology of graphene-based nanomaterials: New horizons for sensing, imaging and medicine. J Mater Chem. 2012; 22:14313–14329.

37. Elashiry MM, Saber SE, Elashry SH. Comparison of shaping ability of different single-file systems using microcomputed tomography. Eur J Dent. 2020; 14:70–76. PMID: 32005040.

38. Özyürek T, Yılmaz K, Uslu G. Shaping ability of reciproc, waveone gold, and hyflex edm single-file systems in simulated s-shaped canals. J Endod. 2017; 43:805–809. PMID: 28292599.

39. Dhingra A, Kochar R, Banerjee S, Srivastava P. Comparative evaluation of the canal curvature modifications after instrumentation with One Shape rotary and Wave One reciprocating files. J Conserv Dent. 2014; 17:138–141. PMID: 24778509.