How does the lamina dura appear?
Radiographically it is seen as a thin radiopaque line running around the length of the roots.
Adjacent to the LD, on the tooth side, a thin dark shadow represents the space occupied by the periodontal membrane, known as periodontal space..
Is lamina dura a bundle bone?
Physiologically, the wall of the dental alveolus mostly consists of a thin cortical bone layer (also called “bundle bone,” “alveolar bone proper,” “lamina dura” or “cribriform plate”), with a thickness ranging from 0.22 to 0.54 mm (Hubar, 1993), depending on the region (Figure 1)..
What appears as a radiolucent space between the tooth root and the lamina dura?
Periodontal Ligament Space
Because the PDL is composed primarily of collagen, it appears as a radiolucent space between the tooth root and the lamina dura.Jan 12, 2015.
What is root lamina dura?
The name lamina dura is applied to the thin layer of dense, cortical bone which lines the root socket of the alveolar process.
It is visualized as a thin opacity since it results due to a layer of dense bone.Jan 19, 2020.
What is the lamina dura of a tooth?
Introduction.
Lamina dura (LD) is a radiographic landmark viewed largely on periapical radiographs (PR).
The terminology LD (or alveolus) is applied to the thin layer of dense cortical bone, which lines the roots of sound teeth.
Presence of LD is an indication of the health of the teeth..
What is the lamina dura seen on radiographs known as?
Lamina dura.
A valuable landmark to radiographic diagnosis is the lamina dura, also referred to as bundle bone.
Lamina dura is a compact layer of bone lining the alveolus..
What is the loss of lamina dura seen in?
It is usually considered that the loss of the lamina dura is pathognomonic of hyperparathyroidism although some degree of loss may be apparent in osteomalacia and in Paget's disease..
What type of anatomy does the lamina dura surrounding the tooth consist of?
The alveolar process includes a region of compact bone that is adjacent to the periodontal ligament (PDL).
This is called the lamina dura when it is viewed on radiographs..
- In malignancy, the lamina dura does not remain intact, and PDL widening takes place in the teeth located around the lesion.
Conversely, in scleroderma, the lamina dura remains intact, and PDL widening occurs in more than one quadrant and usually in the posterior teeth. - Physiologically, the wall of the dental alveolus mostly consists of a thin cortical bone layer (also called “bundle bone,” “alveolar bone proper,” “lamina dura” or “cribriform plate”), with a thickness ranging from 0.22 to 0.54 mm (Hubar, 1993), depending on the region (Figure 1).
