96580

20637

The primary cause of weakening in an endodontically treated tooth is the loss of sound tooth structure during the access cavity preparation and subsequent canal instrumentation. The extent of this preparation, particularly the removal of marginal ridges and cusps, significantly compromises the tooth's structural integrity.

72264

Serum sickness is a type III hypersensitivity reaction that typically occurs 7 to 21 days (1 to 3 weeks) after initial exposure to the offending antigen, which is the time required for the immune system to produce antibodies that form immune complexes with the antigen.

19186

The specification requires that amalgam neither contract nor expand more than 20 µm/cm.

41209

Cherubism is not characterized by unilocular lesions; it is typically bilateral.

47037

The mandibular 1st molar is supplied by Inferior alveolar nerve and long Buccal Nerve

88971

When electrosurgery is correctly employed to prepare gingival tissues for making impressions, it removes a thin layer of crevicular gingival tissue.

87462

The hypothalamus produces gonadotropin-releasing hormone (GnRH), which stimulates the release of luteinizing hormone (LH) and follicle-stimulating hormone (FSH) from the pituitary, playing a crucial role in spermatogenesis.

77349

The occlusogingival height of guide plane flat surfaces should be 2-4mm. This height provides adequate guidance for insertion and removal while maintaining sufficient tooth structure. Less than 2mm provides inadequate guidance, while more than 4mm requires excessive tooth reduction and may compromise pulpal health.

25112

The success of a root canal filling is primarily assessed through clinical observation, which includes monitoring for signs of pain, swelling, and infection. While radiographs and the size of the gutta-percha cone used can provide additional information, the ultimate determinant of success is the patient's symptom resolution and the absence of pathology.