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Burton's line, also known as the Burton line or Burtonian line, is a clinical sign found in patients with chronic lead poisoning. It is a very thin, black-blue line visible along the margin of the gums , at the base of the teeth.
The neonatal line is the demarcation between the enamel formation before birth and after birth i.e., prenatal and postnatal enamel respectively. [1] It is caused by the different physiologic changes at birth and is used to identify enamel formation before and after birth. The position of the neonatal line differs from tooth to tooth [2]
Tooth of a Paranthropus robustus with striae of Retzius visible on the left side. The striae of Retzius are incremental growth lines or bands seen in tooth enamel.They represent the incremental pattern of enamel, the successive apposition of different layers of enamel during crown formation.
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Each tooth can be described as having a mesial surface and, for posterior teeth, a mesiobuccal (MB) and a mesiolingual (ML) corner or cusp. [1] An occlusal view of a complete maxillary denture. The green line, indicating the dental midline, is the defining line when it comes to mesial-distal direction. The blue arrow, which indicates a mesial ...
Dental caries (cavities), described as "tooth decay", is an infectious disease which damages the structures of teeth. [43] The disease can lead to pain, tooth loss, and infection. Dental caries has a long history, with evidence showing the disease was present in the Bronze, Iron, and Middle ages but also prior to the neolithic period. [44]
Dental calculus typically forms in incremental layers [17] that are easily visible using both electron microscopy and light microscopy. [9] These layers form during periodic calcification events of the dental plaque, [18] but the timing and triggers of these events are not well understood. The formation of calculus varies widely among ...
A routine dental implant alone can set you back $2,000 to $4,000 or more. Need prescription hearing aids ? Expect to shell out another $2,000–$8,000 per pair.