One-piece dental implants induce lower stress values compared to two-piece dental implants : study

Published On 2022-08-01 14:45 GMT   |   Update On 2022-08-01 14:45 GMT

One-piece dental implants induce lower stress values compared with two-piece dental implants when used in All-on-4 implant-supported prostheses according to a recent study published in the International Journal of Oral & Maxillofacial Implants A study was conducted to find out the difference in the stresses induced by one-piece monophasic and two-piece dental implants...

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One-piece dental implants induce lower stress values compared with two-piece dental implants when used in All-on-4 implant-supported prostheses according to a recent study published in the International Journal of Oral & Maxillofacial Implants

A study was conducted to find out the difference in the stresses induced by one-piece monophasic and two-piece dental implants supporting All-on-4 implant-supported prostheses using finite element analysis.

Two finite element maxillary models were designed: In the two-piece model, two-piece dental implants were used, and in the one-piece model, one-piece dental implants were used. The dental implants were placed according to the All-on-4 treatment concept. The anterior implants were axially placed; however, the posterior implants were placed with a distal inclination of 15 degrees. In each model, the prosthetic superstructure was designed to be a titanium implant prosthesis with zirconia crowns. Three loading scenarios were applied in this study. The first scenario simulated the biting function with a total load of 250 N. The second scenario simulated incision function in which 90-N horizontal static load was applied to the palatal surface of central incisors. The third scenario simulated biting in the presence of a cantilever.

The results of the study are:

In the three loading scenarios, the stresses were higher in the two-piece model. Higher stress values were recorded posteriorly rather than anteriorly in both models.

Thus, one-piece dental implants induce lower stress values compared with two-piece dental implants when used in All-on-4 implant-supported prostheses.

Reference:

El Homossany, Mahmoud El-Moutassim Bellah, et al. "Finite Element Analysis of the Stresses Induced By One-Piece and Two-Piece Dental Implants Supporting All-on-4 Implant-Supported Prostheses." The International Journal of Oral & Maxillofacial Implants, vol. 37, no. 4, 2022, pp. 763-770.

Keywords:

El Homossany, Mahmoud El-Moutassim Bellah, Finite, Element, Analysis, Stresses, Induced, One-Piece, Two-Piece, Dental, Implants, Supporting, All-on-4, Implant-Supported, Prostheses, The International Journal of Oral & Maxillofacial Implants


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Article Source : The International Journal of Oral & Maxillofacial Implants

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