67068

Camphorquinone is a photosensitizer that absorbs blue light and initiates the free radical polymerization of the resin when irradiated, leading to cross-linking and setting of the composite.

52961

PTH primarily acts to increase blood calcium levels by stimulating bone resorption via osteoclast activation (indirectly through osteoblasts), enhancing calcium release from bones into the bloodstream.

28511

20521

Probing depth measurements provide historical data on periodontal attachment levels, reflecting the past and present condition of periodontal health. Tracking changes in probing depth is critical for assessing treatment success and disease progression

68814

The conversion of 7-dehydrocholesterol to cholecalciferol (vitamin D3) in the skin is initiated by the action of UVB light from sunlight, not by any specific hormone.

55586

2% NaF is used in iontophoresis. This fluoride treatments brings about granular precipitation in dentinal tubules and reduces tubular diameter.

63951

Vitamin E (tocopherol) is the most important antioxidant in the body, acting in the lipid phase of membranes to protect against oxidative damage.

41025

The strength of irregularly shaped amalgam alloys increases with over-trituration.

31819

The dense structure of the zygoma (cheekbone) and its zygomatic process often superimposes over the roots of the maxillary molars in standard dental radiographs (e.g., periapical views). This superimposition can obscure the view of the roots and surrounding bone.

82221

According to the provided risk factor list for atherosclerosis, men are considered at increased risk for coronary heart disease starting at the age of 45 years.