Origin of pindborg tumour is:
**Core Concept**
Pindborg tumor, also known as calcifying epithelial odontogenic tumor (CEOT), is a rare, benign neoplasm of the jaw. It is characterized by the presence of squamous epithelial cells and calcified material within its tissue.
**Why the Correct Answer is Right**
The origin of Pindborg tumor is believed to be from the epithelial cells of the dental lamina or the remnants of the dental lamina. These cells undergo abnormal proliferation, leading to the formation of a tumor. The calcified material present in the tumor is thought to be a result of the deposition of calcium salts by the tumor cells. The tumor often shows a characteristic "ghost cells" appearance, which are thought to be remnants of the dental lamina.
**Why Each Wrong Option is Incorrect**
**Option A:** This option does not provide any information regarding the origin of Pindborg tumor.
**Option B:** This option is incorrect because Pindborg tumor is not a type of odontogenic keratocyst.
**Option C:** This option does not accurately describe the origin of Pindborg tumor.
**Clinical Pearl / High-Yield Fact**
Pindborg tumor is a rare, benign tumor that should be considered in the differential diagnosis of jaw lesions. It is essential to distinguish it from malignant tumors, such as ameloblastoma, which can have a similar appearance.
**Correct Answer: D.**