26102

Troponin T is elevated in myocardial infarction. Troponins are cardiac-specific proteins released during myocardial necrosis. They are highly sensitive and specific markers for myocardial damage, remaining elevated for 7-14 days after MI, making them ideal for diagnosis.

61602

Mamelons are the rounded prominences on the incisal edge of newly erupted incisor teeth. They typically wear away with normal function and age. In a 15-year-old patient, well-developed mamelons usually indicate that the incisors are not in proper contact or occlusion with the opposing teeth, which prevents the normal wear process. This is a common sign of a malocclusion, such as a Class II, Division 1 malocclusion, where the upper front teeth protrude significantly over the lower teeth.

78736

When a facebow is not used, the maxillary cast is mounted arbitrarily on the articulator, meaning its position relative to the hinge axis is not accurate. Increasing the vertical dimension (VDO) on an arbitrarily mounted cast will cause a significant change in the horizontal relationship of the casts (centric relation) due to the arc of closure being incorrect. Therefore, a new interocclusal record must be taken at the new desired VDO.

61699

Tobacco use, particularly smoking, is known to cause various oral lesions, including hyperkeratosis, which is a thickening of the outer layer of the skin or mucous membranes. This can manifest as leukoplakia or other forms of keratosis in the oral cavity. While tobacco can also lead to erythema and ulceration, hyperkeratosis is the most directly associated condition.

68034

Lung involvement in chronic bronchitis is bilateral

64922

PDL traction is mainly due to supracrestal fibres, transeptal fibres of gingival fibers.  

57640

Platinized gold foil is a combination of gold and platinum where 15% of the content is platinum. It is produced by rolling layers of gold and platinum together to achieve the desired thickness and distribution of the platinum within the gold foil. This process creates a homogeneous mixture that enhances the hardness and wear resistance of the restoration, making it suitable for high-stress areas like incisal edges and cusp tips.

35659

The chemical compound acetylcholine (ACh) is a neurotransmitter in both the peripheral nervous system (PNS)and central nervous system (CNS) in many organisms including humans. Acetylcholine is one of many neurotransmitters in the autonomic nervous system (ANS) and the only neurotransmiter used in the somatic nervous system. 

86651

In AIDS patients, diffuse red lesions of the attached gingiva are common.

22984