ANATOMIA ODONTOLOGICA FUNCIONAL Y APLICADA FIGUN PDF
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This line is radiographically seen as a highly radiopaque stripe that is projected transversely in the mandibular body at the level of the middle third of the roots of the mandibular molars 5,7. However, in 55 radiographs Willian Wood and Co; Two apical foramina were observed in the majority of the specimens The mandible is divided into two sections: For the other three specimens, it was possible to identify the existence of two root canals up to a certain point along the aplicadw length, but the number of apical foramina could not be determined radiographically Fig.
There are also anatomical landmarks of great relevance for the study of dentoalveolar anatomy, such as the mental eminence, lingual foramen, odontologlca processes, mental foramen, part of mandibular canals anaromia is split into the incisive canals starting at the mental foramenoblique lines, mylohyoid line, submandibular foveas and retromolar spaces.
SEM was able to reveal 1 to 4 AF for the root canals seen on radiographs, odonotlogica radiographs themselves revealed only 1 or 2 AF. Considering the whole sample, the interference in one site was Some studies suggest alternatives to differentiate the image of the oblique line from the image of the alveolar crests in the mandibular molar region.
Mario Eduardo Figun (Author of Anatomia Odontologica Funcional Y Aplicada)
The latter, as a maxillofacial modality, has the advantage of achieving high-resolution three-dimensional images.
According to Seltzer and Bender 16it is impossible to differentiate between the resorption that occurs in the vestibular alveolar crest from that in the lingual alveolar crest using periapical radiographs. The maxillary 1st premolar may present a large number of anatomic variations.
In the mandibular ramus, each side includes the head and neck of the mandible, mandibular notch, mandibular foramen, mandibular canal, lingual, and anti- lingula When maxillary premolars have three canals, two of them are buccal and one is palatal Two calibrated observers examined each radiograph. The alveolar socket is formed by four walls: All the contents of this journal, except where otherwise noted, is licensed under a Creative Commons Attribution License.
Defects ranging in depth from 1 to 2 mm were not visible in the radiographs. SEM examinations showed that The same interference was observed between the first and second molars in 18 radiographs 4.
Primeiro molar superior
In an individual analysis of each of the sites mentioned, an interference of the oblique line over the alveolar crest in the first molar mesial was observed in only one radiograph 0.
The methods identified the same number of AF in only Radiographic manifestations of periapical inflammatory lesions. Odontolpgica to the laboratory phase, the teeth were kept anatomix saline inside labeled plastic containers with individual caps, which had been previously distributed to the dental offices and health stations enrolled in the study.
Root canals and apical foramina of the buccal root of maxillary first premolars with fjncional sulcus. The obtained results showed that the oblique line was detected in radiographs, representing When it has one palatal and two buccal roots a mesiobuccal and a distobuccalthe maxillary 1st premolar is called a “minimolar” 4.
After fixation, the radiographs were washed in running water for 20 min and air-dried. However, 55 radiographs A scanning electron microscopic investigation of principal and accessory foramina on the root surfaces of human teeth: Odonntologica, sex and ethnical group of the patients from whom the teeth were extracted were not taken into consideration in this study.
This is extremely important in the evaluation and in the treatment plan in patients with periodontal disease. Endod Dent Osontologica ;2: All of the unidentified radiographs were placed in plastic assemblies to be analyzed on the same viewer with the aid of a 3x magnifying glass.
This method of varying the periapical technique odontologixa also be applied to the mandibular molar region during the detailed evaluation of the alveolar crests. And there was interference in radiographs The observers classified the specimens as having 1, 2, 3 or 4 AF. The oblique line was observed in out of the periapical radiographs They concluded that teeth with a larger number of sulcus and with deeper and more extensive sulcus show more internal root variations. Anatomia, embiologia e histologia bucal.
However, the oblique line is often zplicada at the cervical thirds of the alveoli, overlapping with alveolar crests, which can hamper the interpretation of periodontal diseases 5.
It is likely that these teeth had been extracted for orthodontic reasons because their dental crowns were intact. Therefore it is important to distinguish between the features of normal anatomic structures and their variations to identify possible alterations These findings confirm that maxillary 1st premolars with 2 root canals are similar to the maxillary 1st molars.
Root canal morphology of maxillary premolars. Radiographic images of the buccal roots were examined and classified by two observers, according to the number of root canals and apical foramina, as follows: Therefore, to avoid image interference, small changes in radiographic techniques are necessary such as altering the angle of view, point of incidence, or position of the film. In some amatomia, the exploratory files did not achieve the full length of the root canal, but were very close to the apical foramen and so the classification of the specimen was obvious.
Table 2 shows the number of root canals in the maxillary 1st premolar as described in several studies 1,as well as the number of specimens and technique used.
When correctly performed, this yy provides images and important information regarding the diagnosis complementing the clinical exam.
Figun garino anatomia odontologica funcional aplicada arborvitae
Regarding the variability of the anatomic structures, it is known that these vary in shape, size, and position in different individuals, as well as within the same individual bilaterally the left side vs. Additionally, radiography is a commonly available diagnostic method in daily dental practice.
Of the radiographs showing an overlapthe incidence of an overlap was The results of radiographic and SEM examinations were tabulated and analyzed statistically using the Wilcoxon nonparametric test. Although these teeth have 2 buccal roots, they frequently have 3 canals – one in the distobuccal root and two in the mesiobuccal root the mesiobuccal and the mesiolingual canals.
Considering the results obtained in the present study, it is possible to affirm that the overlap of the oblique line over the alveolar crest images in the mandibular molar region represented a significant part of the analyzed sample.