3D Assessment of Orthognathic Surgical Outcomes

Kim, Yoon Ji R; Park, Yang Ho; Paula, Leonardo Koerich de; Conley, R. Scott

doi:10.1002/9781118674888.ch22

Cited by 2 publications

(2 citation statements)

References 76 publications

(97 reference statements)

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“…The second method, called iterative closest point analysis determines the shortest distances between structures in two superimposed 3D images. [25][26][27][28][29] These changes can then be represented as a colour map that depicts inward or outward or no displacements between the two time points (Figures 1 and 2). Although iterative closest point cannot be used to assess changes in shape, an iterative closest point-based algorithm coupled with CBCT images has been developed to simulate orthodontic tooth movement with the goal of developing software to aid in orthodontic treatment planning.…”

Section: Orthodontic Research and Findings Using Cbctmentioning

confidence: 99%

CBCT in orthodontics: assessment of treatment outcomes and indications for its use

Kapila

Nervina

2015

Dentomaxillofacial Radiology

323

222

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Since its introduction into dentistry in 1998, CBCT has become increasingly utilized for orthodontic diagnosis, treatment planning and research. The utilization of CBCT for these purposes has been facilitated by the relative advantages of three-dimensional (3D) over two-dimensional radiography. Despite many suggested indications of CBCT, scientific evidence that its utilization improves diagnosis and treatment plans or outcomes has only recently begun to emerge for some of these applications. This article provides a comprehensive and current review of key studies on the applications of CBCT in orthodontic therapy and for research to decipher treatment outcomes and 3D craniofacial anatomy. The current diagnostic and treatment planning indications for CBCT include impacted teeth, cleft lip and palate and skeletal discrepancies requiring surgical intervention. The use of CBCT in these and other situations such as root resorption, supernumerary teeth, temporomandibular joint (TMJ) pathology, asymmetries and alveolar boundary conditions should be justified on the basis of the merits relative to risks of imaging. CBCT has also been used to assess 3D craniofacial anatomy in health and disease and of treatment outcomes including that of root morphology and angulation; alveolar boundary conditions; maxillary transverse dimensions and maxillary expansion; airway morphology, vertical malocclusion and obstructive sleep apnoea; TMJ morphology and pathology contributing to malocclusion; and temporary anchorage devices. Finally, this article utilizes findings of these studies and current voids in knowledge to provide ideas for future research that could be beneficial for further optimizing the use of CBCT in research and the clinical practice of orthodontics.

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Section: Orthodontic Research and Findings Using Cbctmentioning

confidence: 99%

CBCT in orthodontics: assessment of treatment outcomes and indications for its use

Kapila

Nervina

2015

Dentomaxillofacial Radiology

323

222

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“…The second method, called iterative closest point analysis, determines the shortest distances between structures in two superimposed 3D images but cannot be used to assess changes in shape [5,6].…”

Section: Introductionmentioning

confidence: 99%

Utilization of Cephalometric 2d and 3d Analysis During Diagnosis, Treatment Plan and Case Monitoring of Impacted Teeth-Case Report

Srbinoska¹,

Trpevska²,

Cadikovska

2022

JMS

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RTG projections are essential for diagnosis, treatment plan, follow-up and treatment outcomes. Three-dimensional (3D) cephalometry, which is done using a cone-beam computerized tomography (CBCT) examination, allows more detailed evaluation of the craniofacial hard and soft tissue structures than 2D radiograph. Using 3D analyses in diagnostic and treatment planning in orthodontics is more than necessary in cases with impacted teeth, cleft lip, and skeletal discrepancies requiring surgical interventions. CBCT has come into wider usage in other situations as root resorption, temporomandibular joint (TMJ) morphology and pathology, supernumerary teeth, alveolar boundary conditions and asymmetries; maxillary transverse dimensions and maxillary expansion; vertical malocclusion and obstructive sleep apnoea.The present descriptive study aimed to explore possible applications of 3D technologies during the diagnosis, treatment plan, case monitoring and result assessment in orthodontics including their advantages and disadvantages.Utilisation of 3D technique was more than necessary in diagnostic and treatment planning in this case because of presence of more than one impacted tooth. The fixed appliances, the surgical exposure, cortectomy and orthodontic traction were done. The tooth movement and positioning to the dental arch started six months ago.The impacted tooth is already seen and the treatment continues. The severity of this case is indication for utilization of control 2D and 3D radiographs in manner following the positioning of the central incisor on the appropriate place. 3D technique is less prone to error and can improve the clinicians' workflow.

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3D Assessment of Orthognathic Surgical Outcomes

Cited by 2 publications

References 76 publications

CBCT in orthodontics: assessment of treatment outcomes and indications for its use

CBCT in orthodontics: assessment of treatment outcomes and indications for its use

Utilization of Cephalometric 2d and 3d Analysis During Diagnosis, Treatment Plan and Case Monitoring of Impacted Teeth-Case Report

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