The normal width of the PDL ranges from 0.15 mm to 0.21 mm, which may decrease with age. 1, 4 Widening of the PDL is one of the most important changes in the circumdental structures and may be related to different abnormalities. 5 It is important to detect whether the widening is regular or irregular in shape and if the lamina dura is still ...

2021年7月12日 · 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: 1.

Although PDL widening may be encountered by many dentists during their routine daily procedures, the clinician should consider some serious related conditions as well.

Widening of the PDL, especially with an asymmetrical distribution accompanied by a bony mass in the jaws with a progressive pattern of growth, must prompt the dental clinician to consider osteosarco-ma and chondrosarcoma in the differential diagnosis and to undertake more elaborated diagnostic procedures.23,26,28 On the other hand, the first ...

Definition: Increased width of periodontal ligament space due to inflammation. The normal width of a periodontal ligament space should be 0.5 mm or less. Radiographic Features: Location: Associated with a tooth. Edge: Well-defined. Shape: Periodontal ligament space still maintains shape of root or roots, but is increased in size (more than 0.5 mm).

2016年12月1日 · Periapical radiographs show periodontal ligament widening around maxillary and mandibular incisors due to periodontitis. Widening of periodontal ligament is evident in the roots of the right...

2019年1月1日 · Osteosarcoma is the most common primary malignant bone tumor, accounting for approximately 20% of the sarcomas, but only 5% of the osteosarcomas occur in the jaws. Malignant lesions are known to quickly grow downward into the periodontal ligament (PDL) space, resulting in an irregular widening and destruction of the lamina dura.

Only two-thirds of scleroderma cases are associated with widening of the PDL. 1, 3 At least one of the associated symptoms, including decreased opening of the mouth, tongue rigidity, microstomia, xerostomia and osseous resorption of the mandible, should be present along with PDL enlargement 1, 4 to arrive at a diagnosis of scleroderma; these ...

2023年9月1日 · Uniformly widened PDL space along one side of the tooth root or all around the tooth root may be a sign of periodontal disease, systemic sclerosis, osteosarcoma, or metastatic malignant deposits.

Widening of the PDL at the apex or inter-radicular area is an important piece of evidence for periodontal disease. 4 Early detection of periodontal disease and correct management of bony ...