scholarly journals Anatomical Variations of the Bifid Mandibular Canal on Panoramic Radiographs in Citizens from Zagreb, Croatia

2021 ◽  
Vol 55 (3) ◽  
pp. 248-255
Author(s):  
Ante Miličević ◽  
Ivan Salarić ◽  
Petar Đanić ◽  
Hrvoje Miličević ◽  
Klara Macan ◽  
...  
2020 ◽  
Vol 14 (7) ◽  
pp. 12-18
Author(s):  
Mohammad Mehdizadeh ◽  
Navid Nateghi ◽  
Mostafa Vahedian ◽  
Nima Biuki ◽  
◽  
...  

Author(s):  
George Borja de Freitas ◽  
Pierre Gomes de Morais Silva ◽  
Jalber Almeida dos Santos ◽  
Luiz Roberto Coutinho Manhães Júnior ◽  
Paula Bernardon

Introduction: Dental surgeries involving structures adjacent to the mandibular canal require greater knowledge of the intraosseous path, anatomical structure, and its variables, reducing the risk of injuries to this region. This research aimed to verify on the panoramic radiographs the anatomical characteristics of the mandibular canal, as well as to analyze and classify its pathways.Methods: The classification of anatomical variations of the mandibular canal was divided into four types: Class A (inferior direction); Class B (mesial direction); Class C (alveolar direction); and Class D (retromolar direction). The sample consisted of 500 exams, 207 (41.4%) males and 293 (58.6%) females, with a mean age of 29.51 years.Results: A prevalence of 30 anatomical variations of the mandibular canal was observed. The most prevalent classifications were Class B (43.6%) followed by Class C (23.1%) and D (33.3%). In no case was the presence of bifid canals classified as Class A. The anatomical variations of the mandibular canal appeared both unilaterally and bilaterally, in which unilaterally the prevalence was on the left side (50%), on the right side (20%), and bilaterally (30%).Conclusions: According to the results obtained in this study, a prevalence of 6% of bifid mandibular canals was found. The most prevalent types of the bifid canal were Class B and Class D, and the highest occurrence of bifid mandibular canals was left unilateral. It is concluded that the appearance of mandibular canal anatomical variations in panoramic radiographs is frequent and that additional care must be taken to approach the region.


2016 ◽  
Vol 6 (3) ◽  
Author(s):  
Ibrahim Nasseh ◽  
Georges Aoun

One of the rare anatomical variations that can be of significant importance for the dentist is the bifid mandibular canal. Many complications can occur from this condition such as failure of anesthesia when performing inferior alveolar nerve block, difficulties during the surgical extraction of the third mandibular molar, and during implants placement. Therefore, good knowledge of this condition is essential. In this report, we describe the radiographic finding of a unilateral bifid mandibular canal.


2003 ◽  
Vol 61 (4) ◽  
pp. 422-424 ◽  
Author(s):  
J.M. Sanchis ◽  
Miguel Peñarrocha ◽  
F. Soler

2018 ◽  
Vol 2018 ◽  
pp. 1-9 ◽  
Author(s):  
Rudyard dos Santos Oliveira ◽  
Arlete Maria Gomes Oliveira ◽  
José Luiz Cintra Junqueira ◽  
Francine Kühl Panzarella

We evaluated the anatomical variations of the mandibular canal associated with various facial types, age, sex, and side of the face studied. We analyzed 348 hemimandibles in subjects without a history of trauma, lesions in the lower arch, or orthognathic or repair surgery in the posterior mandible. Facial type was determined using the VERT index. The canal path was classified as Type 1 (a large, single structure passing very close to the root tips); Type 2 (a canal passing closest to the mandibular base); and Type 3 (a canal present in the posterior mandibular region, with a lower canal running through the mandibular branch, reaching the anterior region). Bifid canals (type 3) were classified into four categories according to the course and number of mandibular canals. The brachyfacial and mesofacial types presented a Type 1 canal in 95.5% (n=166) of subjects, in dolichofacial types, 68.2% (n=45) presented a Type 2 canal, while in the mesofacial type, a lower prevalence of the bifid mandibular canal was observed (13.0%, n=23) than in the other facial types. The bifid canal showed significant association with facial type only (p<0.05), but no significant association was observed with the anterior loop type (p>0.05). Facial type is significantly associated with the path and morphological variations of the mandibular canal, independently of the side of the face studied, age, and sex.


2018 ◽  
Vol 1 (2) ◽  
pp. 1-9
Author(s):  
Livia Corpas ◽  
Yan Huang ◽  
Bassant Mowafey ◽  
Patrick Semal ◽  
Xin Liang ◽  
...  

The aim of the present study was to compare mandibular neurovascular canal anatomy in human and great apes by using cone beam computed tomography (CBCT). The anatomical variability of mandibular neurovascular canals (mandibular, incisive and lingual canals) of 129 modern humans and great apes (Homo, Pan and Gorilla) were analyzed by linear measurements on CBCT images. The Kruskal-Wallis non-parametric test and Dunn’s all pairs for joint ranks were applied to compare the variability of mandibular canals among these groups. Human, Chimpanzee and Gorilla groups showed significant differences in the dimensions of the mandibular canal, mental foramen, incisive canal, lingual canal and anterior mandibular bone width. Bifid mandibular canals and anterior loops were the anatomical variations most frequently observed in the Gorilla. Humans had a larger mental foramen and a distinctive incisive canal. The latter could not be identified in the Gorilla group. The variability in the anatomy within mandibles of human and non-human primates, shows different forms in the neurovascular structures. In comparison to the mandible of great apes, the incisive canal is suggested to be a feature unique to the human mandible.


2019 ◽  
Vol 9 (2) ◽  
pp. 69-77
Author(s):  
Gözde Serindere ◽  
Ceren Aktuna Belgin

Objective: Mandibular canal, mandibular foramen, mental foramen and insisiv canal are so important anatomical structures for dental surgery. The aim of this study was to evaluate the visibility of these important landmarks in different age groups and to compare the visibility in dentulous group with edentulous group on panoramic radiographs. Methods: The panoramic radiographs of 500 patients (237 males; 263 females; mean age; 39.2) were evaluated for this study. The visibility of anatomical landmarks were analyzed in the radiographs and scores were noted. The data obtained in this study were analyzed by SPSS 21 package program. The value of p<0.05 was considered statistically significant.  Results: Out of 500 radiographs, mandibular canal, mandibular foramen, mental foramen and incisive canal was visible in 89.8%, 88%, 80.6% and 12.8%, respectively. 23 (4.6%) patients had total tooth loss. The visibility of the anatomical landmarks was observed in groups below 25 years old. Conclusion: Panoramic radiographs provide useful information on the visibility of anatomical landmarks. However, the use of 3D imaging methods before surgical procedures will give more accurate results.   How to cite this article: Serindere G, Aktuna Belgin C. The evaluation of visibility of mandibular anatomic landmarks using panoramic radiography. Int Dent Res 2019;9(2):69-77.   Linguistic Revision: The English in this manuscript has been checked by at least two professional editors, both native speakers of English.


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