A Cone Beam Computed Tomography Study Among Dental Residents Based on a Questionnaire

Objectives: The aim of our study was to analyse the utility of the CBCT systems among the dental residents form the Dental University of TarguMures. Material and methods: We conducted an anonymous survey using a questionnaire that included 11 questions. All the 55 participants from all dental specialties studied at the Dental University Center Targu-Mures. The completed questionnaires were collected the results were evaluated and statistically analyzed using chi-square test. Results: Most residents have learnt about the CBCT during the university studied by participating at different radio-imagistic courses outside the curriculum. Only 33 (60%) residents recommend daily a CBCT for supporting their diagnosis most of them being oral surgeons and 7 (12.72%) of them occasionally recommend between 1 and 5 CBCTs a month. Conclusions: The CBCT system used as an imagistic evaluation in all dental specialties is essential and the advantages can be found in the accuracy of establishing a correct diagnosis, creating a treatment plan and results evaluation.

Download Full-text

Identification of the Procedural Accidents During Root Canal Preparation Using Digital Intraoral Radiography and Cone Beam Computed Tomography

Acta Medica Marisiensis ◽

10.1515/amma-2016-0028 ◽

2016 ◽

Vol 62 (3) ◽

pp. 326-329

Author(s):

K.-Ivácson A.- Csinszka ◽

Monea Adriana Maria ◽

Monea Monica ◽

Pop Mihai ◽

Borda Angela

Keyword(s):

Computed Tomography ◽

Cone Beam Computed Tomography ◽

Cone Beam ◽

Test Results ◽

Root Canal Preparation ◽

Chi Square ◽

Root Canals ◽

Computed Tomography Images ◽

Chi Square Test ◽

Digital Intraoral Radiography

AbstractCrown or root perforation, ledge formation, fractured instruments and perforation of the roots are the most important accidents which appear during endodontic therapy. Our objective was to evaluate the value of digital intraoral periapical radiographs compared to cone beam computed tomography images (CBCT) used to diagnose some procedural accidents. Material and methods: Eleven extracted molars were used in this study. A total of 18 perforations and 13 ledges were created artifically and 10 instruments were fractured in the root canals. Digital intraoral periapical radiographs from two angles and CBCT scans were made with the teeth fixed in position. The images were evaluated and the number of detected accidents were stated in percentages. Statistical analysis was performed using the chi square-test. Results: On digital periapical radiographs the evaluators identified 12 (66.66%) perforations, 10 (100 %) separated instruments and 10 (76.9%) created ledges. The CBCT scans made possible the recognition of 17 (94.66 %) perforations, 9 (90 %) separated instruments and 13 (100%) ledges. The totally recognized accidental procedures showed significant differences between the two groups. (p<0.05) Conclusion: Digital periapical radiographs are the most common imaging modalities used during endodontic treatments. Though, the CBCT allows a better identification of the procedural accidents.

Download Full-text

Influence of intracanal post on apical periodontitis identified by cone-beam computed tomography

Brazilian Dental Journal ◽

10.1590/s0103-64402009000500003 ◽

2009 ◽

Vol 20 (5) ◽

pp. 370-375 ◽

Cited By ~ 8

Author(s):

Carlos Estrela ◽

Mike Reis Bueno ◽

Olavo César Lyra Porto ◽

Cleomar Donizeth Rodrigues ◽

Jesus Djalma Pécora

Keyword(s):

Computed Tomography ◽

Cone Beam Computed Tomography ◽

Apical Periodontitis ◽

Cone Beam ◽

Chi Square ◽

Significance Level ◽

Anterior Teeth ◽

Kappa Value ◽

Chi Square Test ◽

Periapical Radiography

The determination of the success of endodontic treatment has been often discussed based on outcome obtained by periapical radiography. The aim of this study was to verify the influence of intracanal post on apical periodontitis detected by cone-beam computed tomography (CBCT). A consecutive sample of 1020 images (periapical radiographs and CBCT scans) taken from 619 patients (245 men; mean age, 50.1 years) between February 2008 and September 2009 were used in this study. Presence and intracanal post length (short, medium and long) were associated with apical periodontitis (AP). Chi-square test was used for statistical analyses. Significance level was set at p<0.01. The kappa value was used to assess examiner variability. From a total of 591 intracanal posts, AP was observed in 15.06%, 18.78% and 7.95% using periapical radiographs, into the different lengths, short, medium and long, respectively (p=0.466). Considering the same posts length it was verified AP in 24.20%, 26.40% and 11.84% observed by CBCT scans, respectively (p=0.154). From a total of 1,020 teeth used in this study, AP was detected in 397 (38.92%) by periapical radiography and in 614 (60.19%) by CBCT scans (p<0.001). The distribution of intracanal posts in different dental groups showed higher prevalence in maxillary anterior teeth (54.79%). Intracanal posts lengths did not influenced AP. AP was detected more frequently when CBCT method was used.

Download Full-text

C-Shaped Canal System in Mandibular Second Molars Evaluated by Cone-Beam Computed Tomography in an Argentinean Subpopulation

Global Journal of Medical Research ◽

10.34257/gjmrjvol19is4pg17 ◽

2019 ◽

pp. 17-23

Author(s):

Chaintiou Piorno Romina ◽

Consoli Lizzi Eugenia Pilar ◽

Saiegh Jonathan ◽

Vázquez Diego Jorge ◽

Gualtieri Ariel Félix ◽

...

Keyword(s):

Computed Tomography ◽

Cone Beam Computed Tomography ◽

Cone Beam ◽

Canal System ◽

Chi Square ◽

Significance Level ◽

Chi Square Test ◽

Score Method ◽

Radiographic Classification

Introduction:To evaluate cone-beam computed tomography (CBCT) images in order to determine the presence of mandibular second molars with C-shaped canal system and classify them.Methods:3035 CBCT images fulfilling the selection criteria were observed. Once established the presence of C-shaped canal system, they were classified according to the anatomic and radiographic classification of Fan et al. Data description was made by frequencies and percentages rates, with a 95% confidence interval (IC95) according to score method. Comparisons were assessed by means of the Chi-square test with a significance level equal to 5%.Results:Of the 225 selected patients, 44 exhibited C-shaped canals (20%; IC95: 15% to 25%). 70% (IC95: 56% to 82%) of patients showed a bilateral C-shaped canal system pattern. Regarding to the axial plane -anatomic classification-, there was a significant association between the root third and the configuration (Chi-square=76.89; p<0.05): at the coronal third prevailed the C1 configuration (47%; IC95: 36% to 58%); at the middle third prevailed the C3d configuration (39%; IC95: 28% to 50%) and at the apical third, the C4 configuration (35%; IC95: 25% to 46%).

Download Full-text

Evaluation of medial lingual foramen with cone-beam computed tomography in a Turkish adult population

International Dental Research ◽

10.5577/intdentres.2018.vol8.no3.7 ◽

2018 ◽

Vol 8 (3) ◽

pp. 139-143 ◽

Cited By ~ 2

Author(s):

Nihat Laçin ◽

Birkan Tatar ◽

İlknur Veli ◽

Artemisa Adıgüzel

Keyword(s):

Computed Tomography ◽

Cone Beam Computed Tomography ◽

Adult Population ◽

Turkish Population ◽

Cone Beam ◽

Chi Square ◽

Lingual Foramen ◽

Severe Hemorrhage ◽

Chi Square Test ◽

Anterior Mandible

Aim: The aim of this study is to characterize the anatomical findings of the MLF in a Turkish population, using cone-beam computed tomography (CBCT). Methodology: The CBCT images of 350 untreated patients (164 male, 186 female ranging in age between 18 and 65) were included in this study. The distribution of MLFs were determined in axial, sagittal, and coronal planes by considering gender and side. For statistical evaluation, a chi-square test was used to analyze independent samples. P<0.05 was considered statistically significant. Results: At least 1 canal was observed in all subjects (n = 350). The most common result was a single canal. Among the 164 male patients (46.86%), 98 had 1 canal (59.75%); 59 had 2 canals (35.97%); and 7 had 3 canals (4.26%). Among the 186 female patients (53.14%), 134 (72.04%) had 1 conduit or canal; 49 (26.34%) had 2 canals; and only 3 case (1.61%) presented with 3 canals. Difference between genders was statistically significant. Conclusions: Vascular canals and anastomoses presence in anterior mandible which are sufficient for severe hemorrhage complications. The distribution of MLFs must be taken into account during presurgical planning.

Download Full-text

Radiographic and anatomic investigation on the prevalence of biﬁd mandibular canals in cone beam computed tomography scans

Sechenov Medical Journal ◽

10.47093/2218-7332_2018.3.54-58 ◽

2018 ◽

pp. 54-58

Author(s):

C. Casagrande ◽

S. G. Orestes ◽

A. D. Schroder ◽

A. A. De-Lima ◽

A. Franco ◽

...

Keyword(s):

Computed Tomography ◽

Cone Beam Computed Tomography ◽

Dental Treatment ◽

Anatomic Variation ◽

Mandibular Canal ◽

Cone Beam ◽

Anesthetic Techniques ◽

Chi Square ◽

Computed Tomography Scans ◽

Chi Square Test

Background. Knowing the radiologic anatomy of the mandibular canal is essential to perform optimal anesthetic techniques in dentistry, especially in endodontic and surgical procedures. Biﬁd mandibular canals ﬁgure as anatomic variations that may hamper dental anesthesia and lead to surgical accidents.Objective. This study aims to investigate the prevalence of biﬁd mandibular canals in cone beam computed tomography (CBCT) images of patients under dental treatment.Material and methods. The sample consisted of 700 patients (448 females and 252 males) under dental treatment. CBCT images taken from each patient for dental treatment purposes were analyzed retrospectively in order to search for biﬁd mandibular canals. The detected biﬁd mandibular canals were classiﬁed according to their morphological arrangement and the prevalence of this anatomic variation was tested for association with patients’ sex using Pearson’s Chi-square test (2).Results. The prevalence rate of biﬁd mandibular canals reached 2% (n=14). Mandibular canals with an additional bifurcation towards the anterior region of the mandibular ramus were the most prevalent (100%). Lack of statistical association was observed between the occurrence of biﬁd mandibular canals and patients’ sex ( p >0.05).Conclusion. Despite uncommon, biﬁd mandibular canals may occur. Dentists must be aware of this anatomic variation to perform safely and optimally in the clinical routine.

Download Full-text

Cone-beam computed tomography evaluation of bifid mandibular canal in a Turkish population

International Dental Research ◽

10.5577/intdentres.2018.vol8.no2.5 ◽

2018 ◽

Vol 8 (2) ◽

pp. 78-83 ◽

Cited By ~ 2

Author(s):

Nihat Laçin ◽

Emre Aytuğar ◽

İlknur Veli

Keyword(s):

Computed Tomography ◽

Cone Beam Computed Tomography ◽

Turkish Population ◽

Mandibular Canal ◽

Cone Beam ◽

Chi Square ◽

Bifid Mandibular Canal ◽

Chi Square Test ◽

Male Patients ◽

The Right

Aim: The aim of the study was to examine the prevalence of bifid mandibular canals (BMC) in a Turkish population, using cone-beam computed tomography (CBCT). Methodology: The CBCT images of 350 untreated patients (178 male, 172 female ranging in age between 18 and 65,) were included in this study. The presence or absence of BMC was determined in axial, sagittal, and coronal planes by considering gender and side. For statistical evaluation, a chi‑square test was used to determine any differences in the prevalence of BMC with significance set at 5%. Results: BMCs were observed in 129 out of 700 sides (18.42%) and 97 out of 350 patients (27.71%), of which, 55 were in males and 42 in females. Regardless of gender, the right side was more frequently affected (73%). Male patients showed higher prevalence (15.71%) than the female patients (12%). Conclusion: BMC was observed in 27.71% of examined Turkish subjects and detected more frequently in males and on the right side.

Download Full-text

Evaluation of septas in maxillary sinus with cone-beam computed tomography

International Dental Research ◽

10.5577/intdentres.2019.vol9.no2.1 ◽

2019 ◽

Vol 9 (2) ◽

pp. 41-45

Author(s):

Nihat Laçin ◽

Bozan Serhat İzol

Keyword(s):

Computed Tomography ◽

Maxillary Sinus ◽

Cone Beam Computed Tomography ◽

Turkish Population ◽

Cone Beam ◽

Chi Square ◽

Chi Square Test ◽

Maxillary Sinus Septa ◽

Native Speakers Of English ◽

Male Patients

Aim: The aim of the study was to examine the prevalence of maxillary sinus septa (MSS) in a Turkish population, using cone-beam computed tomography (CBCT).  Methodology: The CBCT images of 350 untreated patients (178 male, 172 female ranging in age between 18 and 65) were included in this study. The presence or absence of MSS was determined in axial, sagittal, and coronal planes by considering gender and side. For statistical evaluation, a chi‐square test was used to determine any differences in the prevalence of MSS with significance set at 5%. Results: MSSs were observed in 201 out of 700 sides (28.71%) and 141 out of 350 patients (40.28%), of which, 70 were in males and 71 in females. MSS were also observed in a higher prevalence on the bilateral side. (17.14%). Female patients showed higher prevalence (41.27%) than the male patients (39.32%). Conclusion: MSS was observed in 40.28% of examined Turkish subjects and detected more frequently in females and on the bilateral side. How to cite this article: Laçin N, İzol BS. Evaluation of septas in maxillary sinus with cone-beam computed tomography. Int Dent Res 2019;9(2):41-5. Linguistic Revision: The English in this manuscript has been checked by at least two professional editors, both native speakers of English.

Download Full-text

Prevalence and Distribution of Pulp Stones in a Group of Peruvian Adults: a Cone Beam Computed Tomography Study

Odovtos - International Journal of Dental Sciences ◽

10.15517/ijds.2021.44468 ◽

2020 ◽

pp. 397-406

Author(s):

Gisella G. Calero-Hinostroza ◽

Pedro L. Tinedo-López ◽

Carmen R. García-Rupaya

Keyword(s):

Computed Tomography ◽

Cone Beam Computed Tomography ◽

Cone Beam ◽

Chi Square ◽

Range Type ◽

Sensitive Tool ◽

Chi Square Test ◽

Age Range ◽

Cone Beam Tomography ◽

Pulp Stones

The aim of this study was to evaluate the prevalence and distribution of pulp stones in a group of Peruvian adults using cone beam tomography (CBCT). Materials and methods: 60 randomly selected CBCT from a tomographic center in Lima, Peru were analyzed. A total of 1263 images of teeth using the Point 3D Combi 500 S tomograph were evaluated. Images analysis was performed with Real Scan software and all teeth were evaluated in sagittal, axial and coronal views. All measurements were subjected to a chi square test. (p<0.05). Results: Of the 1263 teeth, 30.8% presented pulp calcifications through the CBCT. The prevalence of calcifications was higher in women than in men. The maxillary and mandibular molars were the groups of teeth with the highest frequency of pulp stones. There was significance between the pulp stones and the gender, age range, type and state of the tooth. Conclusions: The maxillary first molars had a higher prevalence of pulp calcifications than the mandibular ones. The presence of caries increased the possibility of the appearance of these calcifications, specifically in the maxillary teeth. CBCT could be a sensitive tool to detect pulp stones. Knowledge of the distribution of pulp stones can help dentists in the clinical treatment of endodontics.

Download Full-text

Canal Configuration of Maxillary Premolars in Cukurova Population: A CBCT Analysis

Balkan Journal of Dental Medicine ◽

10.2478/bjdm-2021-0023 ◽

2021 ◽

Vol 25 (3) ◽

pp. 147-152

Author(s):

Burcu Evlice ◽

Hazal Duyan

Keyword(s):

Computed Tomography ◽

Cone Beam Computed Tomography ◽

Root Canal ◽

Cone Beam ◽

Chi Square ◽

Single Root ◽

Type Iv ◽

Chi Square Test ◽

Maxillary Premolars ◽

Level Of Significance

Summary Background/Aim: Aim of this study was to evaluate the anatomy of root-canal systems and numbers of permanent maxillary premolars’ roots and canals, using cone beam computed tomography scans. Material and Methods: In this retrospective and observational study, maxillary right/left and first/second premolars of patients who were screened with cone beam computed tomography for various reasons in a Turkish dental school, were examined. Evaluated parameters were age, gender, canal configuration (Vertucci classification) and numbers of roots and canals. Chi-square test was used for statistical analysis. The level of significance was set at p<0.05. Results: A total of 1086 maxillary premolars including 555 first premolars and 531 second premolars were examined in 331 patients (186 female, 145 male). Presence of two roots was shown in 75% of first premolars. 76.3% of second premolars were found to have a single root. Most common canal configuration was type IV (73.2%) for first premolars and type II (32.4%) for second premolars. There was a significant relationship between gender and numbers of first and second premolars’ roots and canals. Conclusions: High heterogeneity of maxillary premolar root-canal system anatomy should be considered during endodontic treatment.

Download Full-text

Variations in vertical mucosal thickness at edentulous ridge according to site and gender measured by cone-beam computed tomography

International Journal of Implant Dentistry ◽

10.1186/s40729-021-00319-w ◽

2021 ◽

Vol 7 (1) ◽

Author(s):

Motohiro Munakata ◽

Koudai Nagata ◽

Minoru Sanda ◽

Ryota Kawamata ◽

Daisuke Sato ◽

...

Keyword(s):

Computed Tomography ◽

Cone Beam Computed Tomography ◽

Treatment Plan ◽

Cone Beam ◽

Alveolar Ridge ◽

Marginal Bone Loss ◽

Mandibular Molar ◽

Mucosal Thickness ◽

And Gender ◽

Edentulous Patients

Abstract Background The vertical thickness of the peri-implant mucosa is associated with the amount of post treatment marginal bone loss. However, the variations in mucosal thickness at the different edentulous sites have been sparsely documented. The purpose of the study was to conduct a survey of the frequency distribution of variations in mucosal thickness at the different sites of the edentulous alveolar ridge and to compare them according to gender. Our study included 125 partially edentulous patients having a total of 296 implant sites. Cone-beam computed tomography (CBCT) scans were obtained by placing a diagnostic template with a radiopaque crown indicator on the ridge to determine the mucosal thickness at the crest of the alveolar ridge. Results The mucosal thickness was 3.0±1.3 mm in the maxilla, which was significantly greater than the mucosal thickness of 2.0±1.0 mm in the mandible (p<0.001). In both the maxilla and the mandible, the mucosa was the thickest in the anterior region, followed by the premolar and molar regions. Sites were further classified into two groups based on whether the mucosal thickness was greater than 2 mm. In the mandible, more than half of the sites showed a mucosal thickness of 2 mm or less. Conclusions Although this study was a limited preoperative study, the vertical mucosal thickness at the edentulous ridge differed between the maxillary and mandibular regions. The majority of sites in the mandibular molar region had a mucosal thickness of less than 2 mm. Practitioners might be able to develop an optimal dental implant treatment plan for long-term biologic and esthetic stability by considering these factors.

Download Full-text