Influence of Maxillary Sinus Width on Transcrestal Sinus Augmentation Outcomes: Radiographic Evaluation Based on Cone Beam <scp>CT</scp>

Zheng, Xiaofei; Teng, Maikun; Zhou, Fengjuan; Ye, Jun; Li, Guanda; Mo, Anchun

doi:10.1111/cid.12298

Cited by 38 publications

(46 citation statements)

References 29 publications

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“…Several factors can lead to failure, resulting in a great volumetric reduction of the graft (4,11,12), making rehabilitation impossible. There are some evidences suggesting that dimensions of maxillary sinus cavity may affect healing by formation of granulation tissue (1), but this correlation is not yet completely accepted (13). On the other hand, in this study was assessed only the surgeons' performance to determine the amount of graft material required for the maxillary sinus floor augmentation.…”

Section: Discussionmentioning

confidence: 95%

“…This situation is significantly more challenging in the posterior maxilla than in other areas, owing to the possibility of a maxillary sinus pneumatization. Therefore, for proper oral rehabilitation with dental implants in this area, sinus floor augmentation and accurate placement of graft materials is critical (1). Second, time to implant placement varies depending on the conditions of the residual bone, which may occur along with the sinus surgery floor augmentation and placement of graft materials or after bone regeneration.…”

Section: Introductionmentioning

confidence: 99%

“…The outcome of sinus floor augmentation depends upon several factors; not only those related to grafting materials, but also those related to anatomical characteristics of the maxillary sinus that have played a significant role in this process (1). Notwithstanding the challenges of sinus floor augmentation, in which there is need to determine the minimum amount of graft material considering the volume for this surgical procedure (1), graft volume changes have not yet been strictly established (6).…”

Section: Introductionmentioning

confidence: 99%

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Surgeons’ Performance Determining the Amount of Graft Material for Sinus Floor Augmentation Using Tomography

et al. 2017

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This study aimed to assess the performance of surgeons in determining the amount of graft material required for maxillary sinus floor augmentation in a preoperative analysis using cone-beam computed tomography images. A convenience sample of 10 retrospective CBCT exams (i-CAT®) was selected. Scans of the posterior maxilla area with an absence of at least one tooth and residual alveolar bone with an up to 5 mm height were used. Templates (n=20) contained images of representative cross-sections in multiplanar view. Ten expert surgeons voluntarily participated as appraisers of the templates for grafting surgical planning of a 10 mm long implant. Appraisers could choose a better amount of graft material using scores: 0) when considered grafting unnecessary, 1) for 0.25 g in graft material, 2) for 0.50 g, 3) for 1.00 g and 4) for 1.50 g or more. Reliability of the response pattern was analyzed using Cronbach's α. Wilcoxon and Mann-Whitney tests were performed to compare scores. Regression analysis was performed to evaluate whether the volume of sinuses (mm 3 ) influenced the choose of scores. In the reliability analysis, all values were low and the score distribution was independent of the volume of the maxillary sinuses (p>0.05), which did not influence choosing the amount of graft material. Surgeons were unreliable to determine the best amount of graft material for the maxillary sinus floor augmentation using only CBCT images. Surgeons require auxiliary diagnostic tools to measure the volume associated to CBCT exams in order to perform better.

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Section: Discussionmentioning

confidence: 95%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Surgeons’ Performance Determining the Amount of Graft Material for Sinus Floor Augmentation Using Tomography

et al. 2017

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“…This method for selecting the desired cross-sectional image was innovated by the researchers who performed this work. Alveolar Ridge Height:-On the selected cross-sectional cut, a line was plotted and measured perpendicular to another two lines drawn parallel and tangential to the alveolar crest and the nearest anatomical landmark (e.g., floor of the nasal cavity orthe maxillary sinus) (Zhang et al, 2015;Zheng et al, 2015) (Fig 7).…”

Section: Cbct Imaging Acquisition:-mentioning

confidence: 99%

Quantitative and Qualitative Maxillary Jaw Bone Assessment Using Cone Beam Computed Tomography of a Diabetic Versus a Nondiabetic Sample of Egyptian Population.

Kenawy¹,

ElBeshlawy²,

Dahaba³

2017

IJAR

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Background and purpose:Evaluation of maxillary bone is very essential for the diagnosis, treatment planning, and management of maxillofacial procedures. This study aimed to evaluate the maxillary jaw bone quality and quantity in a sample of Egyptian patients with diabetes mellitus (DM) compared to another nondiabetic sample using Cone Beam Computed Tomography (CBCT) and also to correlate between the maxillary jaw bone quality and quantity and other factors as glycated haemoglobin (HbA1c) values, disease duration, type of medication, extraction period, and gender.Methods:After approving the study protocol by the local Ethics Committee, sixteen patients with diabetes mellitus and sixteen control subjects were included in this study. Three maxillary bone measurements (alveolar ridge height, bucco-palatal dimension, and trabecular bone density) were performed on selected CBCT cross-sectional images. These measurements were performed by two radiologists once and one of them carried out the measurements twice. Results:Thisstudy demonstrated that there was no significant difference between the normal and diabetic groups regarding all maxillary measurements except for the maxillary trabecular bone density of the normal group which was statistically lower than that of the diabetic group. Maxillary trabecular bone density was correlated significantly with most of the studied variablessuch as disease duration, type of DM medication, teeth extraction period, and gender.Conclusion:Diabetes is not an absolute contraindication for any maxillofacial surgeries and each diabetic patient indicated for any maxillofacial surgery should be evaluated independentlyregarding the maxillary bone quality and quantity as well as the contributing local factors.

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“…There is evidence that premolars and even canines can be in contact with the maxillary sinus. Scans using Cone beam computed tomography (CBCT) greatly assist in the diagnosis of this relationship (6,7,8).…”

Section: Introductionmentioning

confidence: 99%

Relationship between root apices of maxillary posterior teeth and the maxillary sinus floor in patients from the Varna region

Georgiev¹,

Peev²,

Arnautska³

2015

MedInform

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Pneumatization of the maxillary sinus leads to posterior root displacement into the sinus cavity associated with potential complications following extraction of these teeth. Objectives. The aim of the present study is to assess the relationship between the apices of maxillary posterior teeth and the floor of the maxillary sinus.Materials and methods.The study involved a retrospective randomized analysis of 245 scans of the maxilla, 465 scans of sinuses and 960 scans of teeth and their relationship to the maxillary sinus. The distance between root apices and the maxillary sinus floor was measured and the measurements featured canines, premolars and molars. Results. 746 teeth, out of the 960 teeth examined, were in dangerous proximity to the maxillary sinus, 156 of which penetrated the sinus cavity at different depths. Conclusions. In patients from the Varna region maxillary second molars appeared to be the most common teeth to project into the sinus and when extracting these teeth dental clinicians must be particularly cautious for possible complications related to this problem.

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Influence of Maxillary Sinus Width on Transcrestal Sinus Augmentation Outcomes: Radiographic Evaluation Based on Cone Beam CT

Abstract: The findings show that graft bone resorption in elevated sinus has a positive correlation with the SW.

Cited by 38 publications

References 29 publications

Surgeons’ Performance Determining the Amount of Graft Material for Sinus Floor Augmentation Using Tomography

Surgeons’ Performance Determining the Amount of Graft Material for Sinus Floor Augmentation Using Tomography

Quantitative and Qualitative Maxillary Jaw Bone Assessment Using Cone Beam Computed Tomography of a Diabetic Versus a Nondiabetic Sample of Egyptian Population.

Relationship between root apices of maxillary posterior teeth and the maxillary sinus floor in patients from the Varna region

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