The word "prosthion" is a dental term used to describe the most forward point of the upper jaw. Its pronunciation is [prɒsθiən], with the stress on the second syllable. The initial "p" is pronounced as an unvoiced bilabial plosive, while the "th" is articulated with the tongue between the teeth as a voiceless dental fricative. The "i" and "o" are pronounced as short vowels and the final "n" is a voiced alveolar nasal. In spelling this word, it's important to pay attention to the silent "h" and the double "s" in the middle.
Prosthion refers to an anatomical term that describes a specific point or landmark on the human skull. It is derived from the Greek word "prosthios," meaning "forehead." Prosthion is most commonly used within the field of anthropology and craniofacial sciences to identify and measure certain craniofacial dimensions.
In terms of location, prosthion is the most anterior point on the upper jaw, specifically the alveolar process of the maxilla. It is situated at the midline of the upper dental arch, where the central incisors of the mouth meet. More precisely, prosthion is the point where the exterior contour of the upper lip connects with the base of the nose.
Prosthion holds significant importance in craniofacial studies as it serves as a reliable reference point for various measurements and analyses. It is also utilized to determine the position of other craniofacial landmarks relative to the upper jaw. For instance, prosthion is involved in measurements such as the facial height, facial projection, and dental occlusion. Understanding the precise location of prosthion aids researchers in studying facial growth and development, as well as diagnosing and treating various craniofacial abnormalities.
Overall, prosthion plays a crucial role in craniofacial science and anthropology, serving as an essential anatomical landmark used in various measurements and assessments related to the upper jaw and facial dimensions.
The alveolar point.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
The word "prosthion" has its roots in Ancient Greek. It is derived from the Greek word "prosthein", which means "to add" or "to attach". In Greek, "prosthion" specifically refers to the most forward point on the upper jaw, where the central incisor teeth meet the midline. The term is commonly used in anatomy and dentistry to describe this anatomical landmark.