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A Comparative Analysis of Implants Presenting Different Diameters: Extra-Narrow, Narrow and Conventional

Tuzzolo Neto, Henrique ; Tuzita, Alessandra Sayuri ; Gehrke, Sérgio Alexandre ; de Vasconcellos Moura, Renata ; Zaffalon Casati, Márcio ; Mikail Melo Mesquita, Alfredo

Materials, 2020-04, Vol.13 (8), p.1888 [Periódico revisado por pares]

Switzerland: MDPI AG

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Título:
A Comparative Analysis of Implants Presenting Different Diameters: Extra-Narrow, Narrow and Conventional
Autor: Tuzzolo Neto, Henrique ; Tuzita, Alessandra Sayuri ; Gehrke, Sérgio Alexandre ; de Vasconcellos Moura, Renata ; Zaffalon Casati, Márcio ; Mikail Melo Mesquita, Alfredo
Assuntos: Bend strength ; Bending machines ; Bending moments ; Dental implants ; diameters of implants ; extra-narrow implants ; Fracture toughness ; Fractures ; Implants ; Load ; Maximum bending ; Metal fatigue ; narrow implants ; Prostheses ; Rehabilitation ; Scanning electron microscopy ; Standard deviation ; Statistical methods ; Statistical tests ; Tapering ; Tensile strength
É parte de: Materials, 2020-04, Vol.13 (8), p.1888
Notas: ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
Descrição: This study aimed at performing a comparative analysis of the fracture resistance of implants, evaluating extra-narrow, narrow, and regular implants. Four groups containing 15 implants each were evaluated. Group 1 (G1): single-piece extra-narrow implants; Group 2 (G2): single-piece narrow implants; Group 3 (G3): Morse taper narrow implants with solid abutments; Group 4 (G4): Morse taper conventional implants with solid abutments. The implants were tested using a universal testing machine for their maximum force limit and their maximum bending moment. After obtaining the data, the Shapiro-Wilk, ANOVA, and Tukey ( < 0.05) statistical tests were applied. Samples from all the groups were analyzed by scanning electron microscopy and Groups 3 and 4 were analyzed by profilometry. The means and the standard deviation values for the maximum force limit (N) and the maximum bending moment (Nmm) were respectively: G1:134.29 N (10.27); G2:300.61 N (24.26); G3:360.64 N (23.34); G4:419.10 N (18.87); G1:1612.02 Nmm (100.6); G2:2945 Nmm (237.97); G3:3530.38 Nmm (228.75); G4:4096.7 Nmm (182.73). The groups behaved statistically different from each other, showing that the smallest diameter implants provided less fracture resistance, both in the tensile strength tests and in the maximum bending moment between all groups. Furthermore, single-piece implants, with 2.5 mm and 3.0 mm diameters, deformed in the implant body region area, rather than in the abutment region.
Editor: Switzerland: MDPI AG
Idioma: Inglês

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A Comparative Analysis of Implants Presenting Different Diameters: Extra-Narrow, Narrow and Conventional

Tuzzolo Neto, Henrique ; Tuzita, Alessandra Sayuri ; Gehrke, Sérgio Alexandre ; de Vasconcellos Moura, Renata ; Zaffalon Casati, Márcio ; Mikail Melo Mesquita, Alfredo

Switzerland: MDPI AG

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