Volumetric Evaluation of Safe Zone for Bone Harvesting From Symphysis Region by Using Cone Beam Computed Tomography

Altuğ, Hasan Ayberk; Coşkun, Abdullah Tuğrul; Kamburoglu, Kvanc; Zerener, Tamer; Gülen, Orhan; Şençimen, Metin; Ozkan, A.

doi:10.1097/id.0000000000000450

Cited by 4 publications

(3 citation statements)

References 11 publications

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“…Third-party CBCT software programs are widely used in dentistry in 3D analysis of pharyngeal di-mension, 16 pulp/tooth volume, 17 maxillofacial grafting procedures, 18 postoperative changes following osteotomies, 19 implant sites, 20 periodontal defects, 21 external root resorptions, 22 paranasal sinus volumes, 23 and temporomandibular joints. 24 Mimics Medical and 3D-DOCTOR are the two popular among the many different 3D reconstruction software programs, including Amira, InVesalius, ITK-Snap, 3D Slicer, Synapse 3D, and OsiriX.…”

Section: Discussionmentioning

confidence: 99%

Karotis aterosklerozunun üç boyutlu analizinde iki farklı yazılım programının karşılaştırılması: Retrospektif bir KIBT çalışması

Koç

2022

ADO Klinik Bilimler Dergisi

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Amaç: Bu çalışmada, ekstrakraniyal karotis arter kalsifikasyonu (EKAK) hacim ve alan ölçümlerinde, iki farklı konik ışınlı bilgisayarlı tomografi (KIBT) yazılım paketinin, Mimics Medical ve 3D-DOCTOR'un, karşılaştırılması amaçlandı. Gereç ve Yöntem: Toplam 44 görüntü değerlendirildi. Kalsifikasyonlar tek taraflı veya iki taraflı olarak sınıflandırıldı. EKAK'ların hacim ve alan ölçümleri iki yazılım programı ile gerçekleştirildi. Gözlemci içi güvenirliği değerlendirmek için sınıf içi korelasyon katsayısı (SKK) kullanıldı. İki yazılım grubu arasındaki ölçüm farkı t-testi ile değerlendirildi. Bulgular: Kalsifikasyonlar, 24 vakada tek taraflı ve 20 vakada iki taraflıydı. 25 kadın ve 19 erkek hastadan oluşan örneklemin yaş ortalaması 63.31 ± 10.21 yıl idi. Mimics yazılımı ile elde edilen ölçümlerde ortalama hacim 52.97 ± 48.97 mm3 iken 3D-DOCTOR yazılımı ile elde edilen hacim 39.70 ± 34.40 mm3 olarak tespit edildi (P=0.001). Benzer şekilde Mimics (109.55 ± 85.40 mm2) ve 3D-DOCTOR (98.99 ± 75.34 mm2) yazılım programları arasında alansal ölçümler için önemli farklılıklar gözlendi (P=0.001). Sonuç: İki yazılım programı arasında tekrarlanan ölçümlerde yüksek uyum oranları gözlemlenmesine rağmen, Mimics Medical ile elde edilen EKAK hacim ve alan ölçümleri, 3D-DOCTOR ile elde edilenlerden daha yüksekti.

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Section: Discussionmentioning

confidence: 99%

Karotis aterosklerozunun üç boyutlu analizinde iki farklı yazılım programının karşılaştırılması: Retrospektif bir KIBT çalışması

Koç

2022

ADO Klinik Bilimler Dergisi

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“…According to the results of a previous study [ 11 , 12 ], the sample size was calculated to be 78 CBCT scans, using the following formula (α = 0.05, β = 0.2, d = 0.65, =4) …”

Section: Methodsmentioning

confidence: 99%

Bone quality and quantity of the mandibular symphyseal region in autogenous bone grafting using cone-beam computed tomography: a cross-sectional study

et al. 2021

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Background Bone volume plays a pivotal role in the success of dental implant treatment. Autogenous bone grafts should be harvested from reliable sites in the maxillofacial region. This study sought to assess the quantity and quality of bone in the mandibular symphysis for autogenous bone graft harvesting using cone-beam computed tomography (CBCT). Methods This cross-sectional study evaluated the CBCT scans of 78 adults presenting to three oral and maxillofacial radiology centers. The vertical (VD) and horizontal (HD) alveolar bone dimensions, cortical thickness (CT), and cancellous to cortical bone ratio (C/C) were measured in the interforaminal region of the mandible at the sites of central incisor to first premolar teeth. The interforaminal distance (ID) and the anterior loop length were also measured. Nonparametric statistical tests were used to analyze the data with respect to sex, age, and tooth position. Results The median VD, HD, and CT of the symphysis were 20.21 (3.26), 4.13 (0.37), and 2.25 (0.23) mm, respectively. The median C/C was 1.51 (0.11). The median ID was 52.24 (8.24) mm, and the median anterior loop length was 1.82 (1.06) mm. Significant differences were observed in all parameters among different teeth. Most of the measured parameters were greater in males compared with females. There were significant differences in ID, VD, and CT between different age groups. Conclusions The quantity and quality of the available bone in the mandibular symphysis for bone graft harvesting vary by gender, age, and harvesting site, necessitating careful preoperative evaluation.

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“…Recently, some studies have demonstrated the presence of a limited cortical bone structure and safety areas that limit a broad removal of bone from the area (Altug et al, 2016;Velásquez et al, 2017).…”

Section: Introductionmentioning

confidence: 99%

Computed Tomography-Guided Bone Block Harvesting From the Mandibular Ramus

et al. 2018

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PARRA, M.; JARA, J.; NAVARRO, P.; VÁSQUEZ, B. & OLATE, S. Computed tomography-guided bone block harvesting from the mandibular ramus. Int. J. Morphol., 36(1):362-366, 2018. SUMMARY:The aim of this study was to ascertain the distance from the mandibular canal to the lateral, medial and upper zones of the mandibular ramus in order to identify safety margins that reduce the risk of nerve injuries in the process of removing a bone graft. A descriptive study was conducted, analyzing bilaterally 20 CBCT exams from different patients, taking measurements at 4 points in the central, lateral and medial areas of the corresponding mandibular ramus, which was located at a distance of 5 mm between each line, starting at the distal point of the second molar. Forty hemimandibles were included in this study, estimating a vertical distance for the 4 points of analysis, from between 16 and 17 mm, a distance laterally of 5 mm approximately and medially approximately from 3 to 3.9 mm; the lateral zone was significantly larger than the medial zone. It is estimated that the maximum achievement of a bone block from the area posterior to the second molar must be 13 mm deep and 3 mm laterally to minimize the risks of injuries to the inferior alveolar neurovascular bundle.

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Volumetric Evaluation of Safe Zone for Bone Harvesting From Symphysis Region by Using Cone Beam Computed Tomography

Abstract: CBCT is a good candidate for 3D assessment of high-contrast structures in the oral region. We suggest that the use of 3D computed tomography in combination with a software program is a dependable means of measuring the volume of the symphysis bone graft.

Cited by 4 publications

References 11 publications

Karotis aterosklerozunun üç boyutlu analizinde iki farklı yazılım programının karşılaştırılması: Retrospektif bir KIBT çalışması

Karotis aterosklerozunun üç boyutlu analizinde iki farklı yazılım programının karşılaştırılması: Retrospektif bir KIBT çalışması

Bone quality and quantity of the mandibular symphyseal region in autogenous bone grafting using cone-beam computed tomography: a cross-sectional study

Computed Tomography-Guided Bone Block Harvesting From the Mandibular Ramus

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