Items tagged “dental”
52 results found
Article
Dental trauma
Dental trauma is common, affecting up to one-third of the population. While often clinically apparent, they may be overlooked in the setting of severe trauma.
Pathology
The maxillary incisors are the most commonly injured tooth. Dental trauma is commonly classified as 1,2:
luxation
concuss...
Article
Dental fracture
Dental fractures are often clinically apparent but can be overlooked in cases with associated facial fractures, especially as root fractures may be clinically occult.
Terminology
When both a tooth and alveolar process are fractured, the term dentoalveolar fracture may be used 1.
Pathology
...
Article
Dental luxation
Dental luxation is a common manifestation of dental trauma and may be associated with socket fractures.
Pathology
Dental luxation is a general term encompassing 1:
concussion: tender tooth, no loosening/displacement
subluxation: tender tooth, loosening without displacement
extrusive luxat...
Article
Dental implant
Dental implants are a common procedure used to replace absent teeth. Radiology has a role in pre-implant planning as well as post-implant assessment including identification of complications.
Radiographic features
Dental cone beam computed tomography (CBCT) is the most common modality used in...
Article
Sinus lift procedure
The sinus lift procedure, also known as subantral augmentation, is performed in patients with insufficient bone stock to secure a dental implant in the maxilla.
Procedure
The aim of the sinus lift procedure is to increase the height and width of maxillary alveolar bone (to at least 5 mm in wi...
Article
Apical periodontitis
Apical periodontitis refers to a spectrum of diseases that occur around the tooth apex and these can include 1,4:
periodontitis
chronic periodontitis
aggressive periodontitis
necrotizing periodontitis
periapical granuloma
periapical abscess
periapical (radicular) cyst
Clinical presentati...
Article
Idiopathic osteosclerosis of the mandible
Idiopathic osteosclerosis of the mandible is a common incidental finding on dental imaging.
Terminology
Idiopathic Osteosclerosis is also known as dense bone islands, enostoses, bone scar, bone whorl or focal periapical osteopetrosis 1,2,3.
Idiopathic osteosclerosis is the preferred terminolo...
Article
Odontogenic cutaneous fistula
Odontogenic cutaneous fistulae are rare and occur when chronic dental infection is complicated by a fistulous tract reaching the skin, usually in the chin or cheek regions 1.
Clinical presentation
Patients with odontogenic cutaneous fistula usually present with a cutaneous nodule or abscess, w...
Article
Periodontal ligament
Periodontal ligaments are structures holding teeth in their sockets. They are seen as a thin radiolucent space between the surface of the tooth root and the lamina dura, the lining of the tooth socket. The lamina dura serves as a periodontal ligament attachment site.
They comprise soft connect...
Article
Periodontal ligament widening
Periodontal ligament widening can be a finding which can present on OPG and facial bone CT imaging and can occur in several situations.
The normal width range is usually between 0.15-0.21 mm (may decrease with age).
Conditions associated with widening are varied and can include:
trauma
occ...
Article
Impacted teeth
Impacted teeth are those which fail to erupt from a non-functional position in the alveolar bone into the occlusal plane within a normal developmental period. The third molars are the most commonly impacted teeth, followed by maxillary canines, maxillary second molar, mandibular second premolar,...
Article
Root dilaceration
Root dilaceration is a dental deformity presenting as an acute angulation, deviation or curvature of the crown-root axis.
Etiology
Possible causes include:
trauma during root development
adjacent dentigerous cyst or tumor can lead to an abnormal angle in a developing tooth
hereditary factor...
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