References : Effect of different angulations and collar lengths of conical hybrid implant abutment on screw loosening after dynamic cyclic loading [1]
author: Mai Ahmed Yousry El-Sheikh, Tamer Mohamed Nasr Mostafa, Mohamed Maamoun El-Sheikh | publisher: drg. Andreas Tjandra, Sp. Perio, FISID
Prado CJ, Neves FD, Soares CJ, Dantas KA, Dantas TS, Naves LZ. Influence of abutment screw design and surface coating on the bending flexural strength of the implant set. J Oral Implantol. 2014;40:123–8.
Goodacre CJ, Bernal G, Rungcharassaeng K, Kan JY. Clinical complications with implants and implant prostheses. J Prosthet Dent. 2003;90:121–32.
Michalakis KX, Calvani PL, Muftu S, Pissiotis A, Hirayama H. The effect of different implant-abutment connections on screw joint stability. J Oral Implantol. 2014;40:146–52.
Asvanund P, Cheepsathit L. Effect of different angulation angled abutment on screw loosening of implants under cyclic loading. M Dent J. 2016;36:337–24.
Ferreira MB, Delben JA, Barao VA, Faverani LP, Dos Santos PH, Assuncao WG. Evaluation of torque maintenance of abutment and cylinder screws with Morse taper implants. J Craniofac Surg. 2012;23:631–4.
Geckili E, Geckili O, Bilhan H, Kutay O, Bilgin T. Clinical comparison of screw-retained and screwless Morse taper implant-abutment connections: one-year postloading results. Int J Oral Maxillofac Implants. 2017;32:1123–31.
Schwarz MS. Mechanical complications of dental implants. Clin Oral Implants Res. 2000;11:156–8.
Misch CE. Principles for abutment and prosthetic screws and screw-retained components and prostheses. In: Elsevier Mosby. 2nd ed; 2015. p. 724–52.
Siadat H, Pirmoazen S, Beyabanaki E, Alikhasi M. Does abutment collar length affect abutment screw loosening after cyclic loading? J Oral Implantol. 2015;41:346–51.
Delben JA, Gomes EA, Barao VA, Assuncao WG. Evaluation of the effect of retightening and mechanical cycling on preload maintenance of retention screws. Int J Oral Maxillofac Implants. 2011;26:251–6.
Cho WR, Huh YH, Park CJ, Cho LR. Effect of cyclic loading and retightening on reverse torque value in external and internal implants. J Adv Prosthodont. 2015;7:288–93.
Eger DE, Gunsolley JC, Feldman S. Comparison of angled and standard abutments and their effect on clinical outcomes: a preliminary report. Int J Oral Maxillofac Implants. 2000;15:819–23.
Antoun H, Belmon P, Cherfane P, Sitbon JM. Immediate loading of four or six implants in completely edentulous patients. Int J Periodontics Restorative Dent. 2012;32:1–9.
Serial posts:
-
Abstract : Effect of different angulations and collar lengths of conical hybrid implant abutment on screw loosening after dynamic cyclic loading
-
Introduction : Effect of different angulations and collar lengths of conical hybrid implant abutment on screw loosening after dynamic cyclic loading [1]
-
Introduction : Effect of different angulations and collar lengths of conical hybrid implant abutment on screw loosening after dynamic cyclic loading [2]
-
Introduction : Effect of different angulations and collar lengths of conical hybrid implant abutment on screw loosening after dynamic cyclic loading [3]
-
Introduction : Effect of different angulations and collar lengths of conical hybrid implant abutment on screw loosening after dynamic cyclic loading [4]
-
Materials and methods : Effect of different angulations and collar lengths of conical hybrid implant abutment on screw loosening after dynamic cyclic loading [1]
-
Materials and methods : Effect of different angulations and collar lengths of conical hybrid implant abutment on screw loosening after dynamic cyclic loading [2]
-
Materials and methods : Effect of different angulations and collar lengths of conical hybrid implant abutment on screw loosening after dynamic cyclic loading [3]
-
Results : Effect of different angulations and collar lengths of conical hybrid implant abutment on screw loosening after dynamic cyclic loading
-
Discussion : Effect of different angulations and collar lengths of conical hybrid implant abutment on screw loosening after dynamic cyclic loading [1]
-
Discussion : Effect of different angulations and collar lengths of conical hybrid implant abutment on screw loosening after dynamic cyclic loading [2]
-
Discussion : Effect of different angulations and collar lengths of conical hybrid implant abutment on screw loosening after dynamic cyclic loading [3]
-
Discussion : Effect of different angulations and collar lengths of conical hybrid implant abutment on screw loosening after dynamic cyclic loading [4]
-
Conclusions : Effect of different angulations and collar lengths of conical hybrid implant abutment on screw loosening after dynamic cyclic loading
-
References : Effect of different angulations and collar lengths of conical hybrid implant abutment on screw loosening after dynamic cyclic loading [1]
-
References : Effect of different angulations and collar lengths of conical hybrid implant abutment on screw loosening after dynamic cyclic loading [2]
-
References : Effect of different angulations and collar lengths of conical hybrid implant abutment on screw loosening after dynamic cyclic loading [3]
-
Acknowledgements : Effect of different angulations and collar lengths of conical hybrid implant abutment on screw loosening after dynamic cyclic loading
-
Author information : Effect of different angulations and collar lengths of conical hybrid implant abutment on screw loosening after dynamic cyclic loading
-
Ethics declarations : Effect of different angulations and collar lengths of conical hybrid implant abutment on screw loosening after dynamic cyclic loading
-
Rights and permissions : Effect of different angulations and collar lengths of conical hybrid implant abutment on screw loosening after dynamic cyclic loading
-
About this article : Effect of different angulations and collar lengths of conical hybrid implant abutment on screw loosening after dynamic cyclic loading
-
Table 1 One-way ANOVA and post hoc Tukey test results for mean ± SD of the %initial RTL, %postload RTL, and %difference between initial and postload RTL between all groups (Of: Effect of different angulations and collar lengths of conical hybrid implant)
-
Table 2 One-way ANOVA and post hoc Tukey test results for mean ± SD of the initial RTV, postload RTV, and difference between initial and postload RTV between all groups (Of: Effect of different angulations and collar lengths of conical hybrid implant)
-
Table 3 Comparison between short and high collar length (A and B) (Of: Effect of different angulations and collar lengths of conical hybrid implant)
-
Table 4 The raw data in all six experimental groups (Of: Effect of different angulations and collar lengths of conical hybrid implant)
-
Fig. 1. Different abutment angulations and collar lengths : Effect of different angulations and collar lengths of conical hybrid implant
-
Fig. 2. a Stainless steel split cylindrical mold with implant fixture screwed to abutment. b Implant fixture unscrewed from abutment after polymerization. c Implant fixture centralized vertically and perpendicular to the base with platform flushed with resin block level : Effect of different angulations and collar lengths of conical hybrid implant
-
Fig. 3. 3D scanning for abutment and designing for metal tube : Effect of different angulations and collar lengths of conical hybrid implant
-
Fig. 4. Application of cyclic loading with universal testing machine : Effect of different angulations and collar lengths of conical hybrid implant
-
Fig. 5. Mean rate ± SD of removal torque loss (%) between groups and results of ANOVA test for loss ratio of removal torque value between groups : Effect of different angulations and collar lengths of conical hybrid implant
-
Fig. 6. Comparison between short and high collar length (A and B) : Effect of different angulations and collar lengths of conical hybrid implant
Prado CJ, Neves FD, Soares CJ, Dantas KA, Dantas TS, Naves LZ. Influence of abutment screw design and surface coating on the bending flexural strength of the implant set. J Oral Implantol. 2014;40:123–8.
Goodacre CJ, Bernal G, Rungcharassaeng K, Kan JY. Clinical complications with implants and implant prostheses. J Prosthet Dent. 2003;90:121–32.
Michalakis KX, Calvani PL, Muftu S, Pissiotis A, Hirayama H. The effect of different implant-abutment connections on screw joint stability. J Oral Implantol. 2014;40:146–52.
Asvanund P, Cheepsathit L. Effect of different angulation angled abutment on screw loosening of implants under cyclic loading. M Dent J. 2016;36:337–24.
Ferreira MB, Delben JA, Barao VA, Faverani LP, Dos Santos PH, Assuncao WG. Evaluation of torque maintenance of abutment and cylinder screws with Morse taper implants. J Craniofac Surg. 2012;23:631–4.
Geckili E, Geckili O, Bilhan H, Kutay O, Bilgin T. Clinical comparison of screw-retained and screwless Morse taper implant-abutment connections: one-year postloading results. Int J Oral Maxillofac Implants. 2017;32:1123–31.
Schwarz MS. Mechanical complications of dental implants. Clin Oral Implants Res. 2000;11:156–8.
Misch CE. Principles for abutment and prosthetic screws and screw-retained components and prostheses. In: Elsevier Mosby. 2nd ed; 2015. p. 724–52.
Siadat H, Pirmoazen S, Beyabanaki E, Alikhasi M. Does abutment collar length affect abutment screw loosening after cyclic loading? J Oral Implantol. 2015;41:346–51.
Delben JA, Gomes EA, Barao VA, Assuncao WG. Evaluation of the effect of retightening and mechanical cycling on preload maintenance of retention screws. Int J Oral Maxillofac Implants. 2011;26:251–6.
Cho WR, Huh YH, Park CJ, Cho LR. Effect of cyclic loading and retightening on reverse torque value in external and internal implants. J Adv Prosthodont. 2015;7:288–93.
Eger DE, Gunsolley JC, Feldman S. Comparison of angled and standard abutments and their effect on clinical outcomes: a preliminary report. Int J Oral Maxillofac Implants. 2000;15:819–23.
Antoun H, Belmon P, Cherfane P, Sitbon JM. Immediate loading of four or six implants in completely edentulous patients. Int J Periodontics Restorative Dent. 2012;32:1–9.
- Abstract : Effect of different angulations and collar lengths of conical hybrid implant abutment on screw loosening after dynamic cyclic loading
- Introduction : Effect of different angulations and collar lengths of conical hybrid implant abutment on screw loosening after dynamic cyclic loading [1]
- Introduction : Effect of different angulations and collar lengths of conical hybrid implant abutment on screw loosening after dynamic cyclic loading [2]
- Introduction : Effect of different angulations and collar lengths of conical hybrid implant abutment on screw loosening after dynamic cyclic loading [3]
- Introduction : Effect of different angulations and collar lengths of conical hybrid implant abutment on screw loosening after dynamic cyclic loading [4]
- Materials and methods : Effect of different angulations and collar lengths of conical hybrid implant abutment on screw loosening after dynamic cyclic loading [1]
- Materials and methods : Effect of different angulations and collar lengths of conical hybrid implant abutment on screw loosening after dynamic cyclic loading [2]
- Materials and methods : Effect of different angulations and collar lengths of conical hybrid implant abutment on screw loosening after dynamic cyclic loading [3]
- Results : Effect of different angulations and collar lengths of conical hybrid implant abutment on screw loosening after dynamic cyclic loading
- Discussion : Effect of different angulations and collar lengths of conical hybrid implant abutment on screw loosening after dynamic cyclic loading [1]
- Discussion : Effect of different angulations and collar lengths of conical hybrid implant abutment on screw loosening after dynamic cyclic loading [2]
- Discussion : Effect of different angulations and collar lengths of conical hybrid implant abutment on screw loosening after dynamic cyclic loading [3]
- Discussion : Effect of different angulations and collar lengths of conical hybrid implant abutment on screw loosening after dynamic cyclic loading [4]
- Conclusions : Effect of different angulations and collar lengths of conical hybrid implant abutment on screw loosening after dynamic cyclic loading
- References : Effect of different angulations and collar lengths of conical hybrid implant abutment on screw loosening after dynamic cyclic loading [1]
- References : Effect of different angulations and collar lengths of conical hybrid implant abutment on screw loosening after dynamic cyclic loading [2]
- References : Effect of different angulations and collar lengths of conical hybrid implant abutment on screw loosening after dynamic cyclic loading [3]
- Acknowledgements : Effect of different angulations and collar lengths of conical hybrid implant abutment on screw loosening after dynamic cyclic loading
- Author information : Effect of different angulations and collar lengths of conical hybrid implant abutment on screw loosening after dynamic cyclic loading
- Ethics declarations : Effect of different angulations and collar lengths of conical hybrid implant abutment on screw loosening after dynamic cyclic loading
- Rights and permissions : Effect of different angulations and collar lengths of conical hybrid implant abutment on screw loosening after dynamic cyclic loading
- About this article : Effect of different angulations and collar lengths of conical hybrid implant abutment on screw loosening after dynamic cyclic loading
- Table 1 One-way ANOVA and post hoc Tukey test results for mean ± SD of the %initial RTL, %postload RTL, and %difference between initial and postload RTL between all groups (Of: Effect of different angulations and collar lengths of conical hybrid implant)
- Table 2 One-way ANOVA and post hoc Tukey test results for mean ± SD of the initial RTV, postload RTV, and difference between initial and postload RTV between all groups (Of: Effect of different angulations and collar lengths of conical hybrid implant)
- Table 3 Comparison between short and high collar length (A and B) (Of: Effect of different angulations and collar lengths of conical hybrid implant)
- Table 4 The raw data in all six experimental groups (Of: Effect of different angulations and collar lengths of conical hybrid implant)
- Fig. 1. Different abutment angulations and collar lengths : Effect of different angulations and collar lengths of conical hybrid implant
- Fig. 2. a Stainless steel split cylindrical mold with implant fixture screwed to abutment. b Implant fixture unscrewed from abutment after polymerization. c Implant fixture centralized vertically and perpendicular to the base with platform flushed with resin block level : Effect of different angulations and collar lengths of conical hybrid implant
- Fig. 3. 3D scanning for abutment and designing for metal tube : Effect of different angulations and collar lengths of conical hybrid implant
- Fig. 4. Application of cyclic loading with universal testing machine : Effect of different angulations and collar lengths of conical hybrid implant
- Fig. 5. Mean rate ± SD of removal torque loss (%) between groups and results of ANOVA test for loss ratio of removal torque value between groups : Effect of different angulations and collar lengths of conical hybrid implant
- Fig. 6. Comparison between short and high collar length (A and B) : Effect of different angulations and collar lengths of conical hybrid implant