Zygoma implant-supported prosthetic rehabilitation after partial maxillectomy using surgical navigation: A clinical report

Kreissl, Marion E; Heydecke, Guido; Metzger, Marc Christian; Schoen, Rudolf

doi:10.1016/j.prosdent.2007.01.009

Cited by 56 publications

(35 citation statements)

References 44 publications

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“…4,6,7,11,21,22,32 Thus, the association of dental implants and attachment system is used in such cases to provide additional retention, improve support and stability of obturator. 5,7,24,25 According to current results, it can be seen that the attachment system directly influences the number and distribution of tension, which corroborates with other studies [4][5][6][7][8][9]12 which have highlighted that these systems would exert an important role in stress distribution around the anchorages. Table 1 Number of photoelastic fringes according to the element in which the load was applied.…”

Section: Discussionsupporting

confidence: 90%

Stress analysis in oral obturator prostheses over parallel and tilted implants: photoelastic imaging

et al. 2013

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Abstract. This study aimed to evaluate the stress distribution through the photoelastic method in implant-retained palatal obturators prostheses. Two photoelastic models with bucco-sinusal communication were fabricated, one model without implants and another with two parallel implants and one tilted in the molar region. A conventional obturator prosthesis and five implant-retained obturators dentures with different attachment systems were fabricated: OR, three individualized O-rings; BC, bar clip; BOC, implants splinted by bars associated with two O-rings positioned at the center of the bar; OD, implants splinted by bars associated with two O-rings positioned in distal cantilever; and BOD, implants splinted by bars with clips associated with two O-rings positioned in distal cantilever. Each assembly (model/attachment system/prosthesis) was positioned in a circular polariscope and a load of 100 N was applied on each implant. The results were obtained by observing the photographic record of the tensions in the photoelastic models resulting from the application of load. It can be observed that a larger amount of stress fringes on BC system. It was concluded that the attachment system has a direct influence on the stress distribution of implant-retained obturator prostheses, with the three individualized O-rings exhibiting the lowest stress values, and tilted implants presented a biomechanical behavior similar to parallel implants. © The Authors.Published by SPIE under a Creative Commons Attribution 3.0 Unported License. Distribution or reproduction of this work in whole or in part requires full attribution of the original publication, including its DOI.

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Section: Discussionsupporting

confidence: 90%

Stress analysis in oral obturator prostheses over parallel and tilted implants: photoelastic imaging

et al. 2013

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“…Shirota ve arkadaşları 12 bildirdikleri vaka raporunda maksiller defekte sahip hastaların protetik rehabilitasyonunda dental ve zigomatik implant kullanımının retansiyon ve stabiliteyi anlamlı ölçüde artırdığını ve oral fonksiyonları iyileştirdiğini belirtmişlerdir. Ancak zigomatik implantların zigomatik kemiğin kompleks yapısı ve operasyon esnasında görüş mesafesinin sınırlı olmasından dolayı uygulanmaları zordur, hastaya ikinci bir cerrahi işlem gerektirir ve maliyeti ağırdır 13,14 .Bizim vakalarımızda ise ağızda tutuculuk ve stabiliteye yardımcı olacak doğal dişlerin bulunması, ekonomik sebepler ve hastamızın yeniden bir cerrahi müdaha-leye sıcak bakmamasından dolayı bu tedaviyi tercih etmedik.…”

Section: Discussionunclassified

Kismi̇ Maksi̇llektomi̇ Yapilmiş Hastalarin Bukkal Uzantili Obturatör İle Proteti̇k Rehabi̇li̇tasyonu: Vaka Raporu

Akay¹,

Yaluğ²

2015

Atatürk Üniversitesi Diş Hekimliği Fakültesi Dergisi

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“…21 Zigomatik implantlar geleneksel implantlarda karşılaştırıldığında daha yüksek başarı yüzdesi gösterirler, ancak uygulama zorluğu vardır, ek bir maliyet gerektirirler. 22,23 Uchida ve arkadaşları zigomatik implant yerleştirilmesi amacıyla kadavralar da bulunan zigomatik ve maksiller kemikler üzerinde ölçümler yapmışlardır. Elde etmiş oldukları bulgulara göre hastaya 3.75 mm çapında zigomatik implant yerleştirilmek isteniyorsa zigomatik kemikte 5.75 mm mevcut kemik kalınlığı bulunmalıdır.…”

Section: Discussionunclassified

Premaksi̇lla İle Tek Tarafli Maksi̇ller Defektli̇ Rezeksi̇yon Obturatörleri̇ni̇n Üç Boyutlu Sonlu Elemanlar Stres Anali̇z Yöntemi̇yle Değerlendi̇ri̇lmesi̇

Akay¹,

Karakış²,

Yaluğ³

2015

Atatürk Üniversitesi Diş Hekimliği Fakültesi Dergisi

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The objective of this study is to analyze comperatively the properties of functional load and stres distribution by using Aramany Class IV obturator protheses with/without zygomatic implants. Material and Methods: A 3-D solid model of an Aramany Class IV maxillary resection case and it's prosthesis was constructed. 150 N vertical force was loaded by first molar teeth. Simulated occlusal loading was applied on three different points. First loading was applied to the defected side, second was applied to the contralateral side and third one was applied to both. Qualitative analysis was based on the scale of maximum and minimum principle stress in the bone were investigated in Algor(Fempro, USA) programme Results: Maximum and minimum principal stresses in bone under different loading were illustrated with figures and color scales. Obtained numerical datas was represented in graphics. Conclusion: Placing a zygomatic implant to the defected area decreased the stresses occured in the bone. Zygomatic implant is an alternative treatment option for Aramany class IV obturator protheses

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Zygoma implant-supported prosthetic rehabilitation after partial maxillectomy using surgical navigation: A clinical report

Cited by 56 publications

References 44 publications

Stress analysis in oral obturator prostheses over parallel and tilted implants: photoelastic imaging

Stress analysis in oral obturator prostheses over parallel and tilted implants: photoelastic imaging

Kismi̇ Maksi̇llektomi̇ Yapilmiş Hastalarin Bukkal Uzantili Obturatör İle Proteti̇k Rehabi̇li̇tasyonu: Vaka Raporu

Premaksi̇lla İle Tek Tarafli Maksi̇ller Defektli̇ Rezeksi̇yon Obturatörleri̇ni̇n Üç Boyutlu Sonlu Elemanlar Stres Anali̇z Yöntemi̇yle Değerlendi̇ri̇lmesi̇

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