scholarly journals Cone beam computerized tomography evaluation of incisive canal and anterior maxillary bone thickness for placement of immediate implants

2018 ◽  
Vol 18 (4) ◽  
pp. 356 ◽  
Author(s):  
Mousumi Panda ◽  
Thatapudi Shankar ◽  
Anjana Raut ◽  
Shruti Dev ◽  
AswiniKumar Kar ◽  
...  
Keyword(s):  
Computerized Tomography ◽  
Cone Beam ◽  
Bone Thickness ◽  
Incisive Canal ◽  
Maxillary Bone ◽  
Immediate Implants ◽  
Cone Beam Computerized Tomography

Assessing the Accuracy of Cone-Beam Computerized Tomography in Measuring Thinning Oral and Buccal Bone

2016 ◽  
Vol 42 (3) ◽  
pp. 311-314 ◽  
Author(s):  
Zoltán Raskó ◽  
Lili Nagy ◽  
Márta Radnai ◽  
József Piffkó ◽  
Zoltán Baráth
Keyword(s):  
Dental Implants ◽  
Computerized Tomography ◽  
Bone Volume ◽  
Cone Beam ◽  
Bone Thickness ◽  
Domestic Pig ◽  
Voxel Size ◽  
Horizontal Dimension ◽  
Cone Beam Computerized Tomography

The aim of this study was to assess the accuracy and reliability of cone-beam computerized tomography (CBCT) in measuring thinning bone surrounding dental implants. Three implants were inserted into the mandible of a domestic pig at 6 different bone thicknesses on the vestibular and the lingual sides, and measurements were recorded using CBCT. The results were obtained, analyzed, and compared with areas without implants. Our results indicated that the bone thickness and the neighboring implants decreased the accuracy and reliability of CBCT for measuring bone volume around dental implants. We concluded that CBCT slightly undermeasured the bone thickness around the implant, both buccally and orally, compared with the same thickness without the implant. These results support that using the i-CAT NG with a 0.2 voxel size is not accurate for either qualitative or quantitative bone evaluations, especially when the bone is thinner than 0.72 mm in the horizontal dimension.

scholarly journals ASSESSMENT OF MEAN DISTANCE OF MANDIBULAR INCISIVE CANAL USING CONE BEAM COMPUTERIZED TOMOGRAPHY; A CROSS-SECTIONAL STUDY

2021 ◽  
Vol 71 (5) ◽  
pp. 1801-05
Author(s):  
Mubashir Sharif ◽  
Nighat Haroon ◽  
Muhammad Anwaar Alam ◽  
Adil Umar Durrani ◽  
Talib Hussain ◽  
...  
Keyword(s):  
Computerized Tomography ◽  
Mental Foramen ◽  
Cross Sectional Study ◽  
Cone Beam ◽  
Sectional Study ◽  
Cross Sectional ◽  
Incisive Canal ◽  
Number Of Patients ◽  
Cone Beam Computerized Tomography ◽  
The Mean

Objective: To determine the mean distance of mandibular incisive canal from the mental foramen in patients reporting to a tertiary care centre using Cone Beam Computerized Tomography for placement of dental implants in the anterior/interforaminal region. Study Design: Cross-sectional study. Place and Duration of Study: Department of Prosthodontics, Foundation University College of Dentistry Rawalpindi, Jun to Nov 2019. Methodology: A total of 70 patients participated between the age of 20-45 years. Cone Beam Computerized Tomography (the investigation was carried out and measurements of the mandibular incisive canal from mental foramen were recorded with the help of measuring tools in the software and noted down on the proforma. Data were analyzed using SPSS-20. Results: The number of patients selected for this study was 70. Out of these 70 patients, 33 (47.1%) were males and 37 (52.9%) were females. The mean age of patients in this study was 36.31 ± 6.38 years. The mean distance/extension of the mandibular incisive canal from left mental foramen and right mental foramen in all patients was recorded to be 14.49 ± 6.31 mm and 14.97 ± 7.10 mm respectively. Conclusion: Within the limitations of this study, it is concluded that a maximum distance of 22mm of the incisive canal from the mental foramen was observed using cone-beam computerized tomography.

scholarly journals Assessing bone thickness in the infrazygomatic crest area aiming the orthodontic miniplates positioning: a tomographic study

2017 ◽  
Vol 22 (4) ◽  
pp. 70-76 ◽  
Author(s):  
Aline Rode Santos ◽  
Marcelo Castellucci ◽  
Iêda Margarida Crusoé-Rebello ◽  
Márcio Costa Sobral
Keyword(s):  
Computerized Tomography ◽  
Adult Male ◽  
Adult Patients ◽  
Cone Beam ◽  
Bone Thickness ◽  
Cross Sectional ◽  
Male And Female ◽  
Measurement Results ◽  
Cone Beam Computerized Tomography ◽  
The Mean

ABSTRACT Introduction: Due to the increasing use of miniplates for anchorage purposes in orthodontics, it is very important to know more about infrazigomatic crest anatomy (thickness), in adult patients. Objectives: Evaluate the infrazygomatic crest region thickness, in adult (male and female) patients. Methods: Cone-beam computerized tomography (CBCT) images from 40 patients were used to assess cross-sectional measurements of the infrazygomatic crest region. Measurement 1 considered thickness 2 mm above the distobuccal root of the permanent maxillary first molar, while measurement 2 was taken 2 mm above the first measurement. Results: The mean thickness of the infrazygomatic crest in males was 3.55 mm for measurement 1 and 2.84 mm for measurement 2, while in females these were 2.37 mm and 2.24 mm, respectively. Conclusion: The authors concluded that the overall mean thickness of the infrazygomatic crest was 2.49 mm with respect to measurement 1, and 2.29 mm for measurement 2, with no statistically significant differences between gender.

Implant-Guided Volumetric Analysis of Edentulous Maxillary Bone With Cone-Beam Computerized Tomography Scan. Maxillary Sinus Pneumatization Classification

2012 ◽  
Vol 38 (4) ◽  
pp. 377-390 ◽  
Author(s):  
Len Tolstunov ◽  
David Thai ◽  
Leo Arellano
Keyword(s):  
Computerized Tomography ◽  
Bone Volume ◽  
Cone Beam ◽  
Maxillary Bone ◽  
Clinical Criteria ◽  
Cone Beam Computerized Tomography ◽  
School Of Dentistry ◽  
Edentulous Patients ◽  
Implant Treatment ◽  
Maxillary Sinuses

The primary goal of this anatomic study was to measure the average bone volume of the edentulous maxilla with a cone-beam computerized tomography (CBCT) scan and to determine its suitability for implant treatment without additional bone grafting. The secondary goal of the study was to estimate the degree of sinus pneumatization (SP) in reviewed CBCT scans, assess the sinus-to-maxillary bone interrelationship in edentulism, and attempt to classify maxillary sinuses based on the degree of their pneumatization. This retrospective radiographic quantitative study consisted of the analysis of CBCT scans of 30 randomly selected maxillary edentulous patients who presented in 2008–2010 to the University of the Pacific, Arthur A. Dugoni School of Dentistry, for evaluation and treatment of their edentulism. A volume of edentulous maxillary bone mesial to the maxillary sinuses (intersinal region) that can be used for a full-arch implant treatment was evaluated based on specifically selected and clinically relevant measurement criteria. There were 30 CBCT scans of maxillary edentulous patients reviewed (9 men, 21 women) with a mean age of 67.3 years (range, 41 to 92 years). The total mean maxillary bone volume (MMBV) suitable for implantation was 4 408.1 mm3 and ranged from 1489.7 to 7263.1 mm3. The MMBV in the study was higher than an assumed or hypothetical bone volume minimally suitable for 4-implant treatment as proposed by the authors for comparative purposes (3500 mm3). The degree of SP as seen on a CBCT scan (60 sinuses analyzed on panoramic images of 30 CBCT scans) had the following results in the study: SP0 (clear: not interfering with implant treatment in cases of high/small sinus), 2 sinuses or 3.3%; SP1 (mild sinus enlargement), 29 sinuses or 48.3%; SP2 (moderate SP), 16 sinuses or 26.7%; SP3 (severe SP), 9 sinuses or 15.0%; and SP4 (extreme), 4 sinuses or 6.7%. Most analyzed maxillary sinuses (47 of 60, or 78.3%) were in the clear, mild, or moderate categories of SP (SP0, SP1, and SP2), which have a sufficient amount of maxillary bone beneath the maxillary sinuses to allow a full-arch implant treatment. An inverse correlation between SP and MMBV was observed. Although many other clinical criteria are important (bone quality, alveolar crest anatomy, etc), the results of this CBCT radiographic study indicate that in many maxillary edentulous cases, the existing bone quantity (volume) can be sufficient for a full-arch maxillary implant treatment with at least 4 implants without the additional trauma or expense of bone grafts and sinus lifts. A variety of implant treatment options can be proposed based on maxillary bone availability and bone-to-sinus interrelationship. It appears that with age and edentulism, the amount of available maxillary bone is steadily decreasing.

scholarly journals The Relationship between Maxillary Sinus Lateral Wall Thickness, Alveolar Bone Loss, and Demographic Variables: A Cross-Sectional Cone-Beam Computerized Tomography Study

2018 ◽  
Vol 28 (2) ◽  
pp. 109-114 ◽  
Author(s):  
Tuba Talo Yildirim ◽  
Güliz Nigar Güncü ◽  
Mehmet Colak ◽  
Tolga Fikret Tözüm
Keyword(s):  
Bone Loss ◽  
Maxillary Sinus ◽  
Computerized Tomography ◽  
Wall Thickness ◽  
Alveolar Bone ◽  
Lateral Wall ◽  
Cone Beam ◽  
Cone Beam Computerized Tomography ◽  
And Gender ◽  
The Relationship

Objectives: Sinus floor elevation and augmentation surgery is widely used as a reliable procedure to increase insufficient bone height in the posterior maxillary area. The purpose of the present clinical study was to determine the associations between periodontal bone loss (PBL), maxillary sinus lateral bone wall thickness, age, and gender using cone-beam computerized tomography (CBCT). Materials and Methods: The current retrospective study consists of 716 maxillary sinus CBCT images of 358 patients. The CBCT scans were assessed to detect the relationship between lateral wall thickness and PBL. ANOVA and Student t test analysis were used to determine the influence of PBL on sinus lateral wall thickness. Results: Sinus lateral wall thickness was significantly associated with PBL (p < 0.05) at 3, 13, and 15 mm height. There was no significant association between lateral wall thickness and gender (p > 0.05). However, there was a significant association between lateral wall thickness at 3 and 13 mm and age (p < 0.05). There were significant associations between PBL and age (p < 0.001), and PBL and gender (p < 0.05). Conclusions: PBL might have an association with maxillary sinus lateral bone wall thickness. Further studies are needed to confirm this possible relationship.

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