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The chin can be reduced in length either by bone shaving or with a procedure called a "sliding genioplasty", where a section of bone is removed. The jaw can be reshaped through jaw reduction surgery; sometimes this is done through the mouth. The chewing muscles can also be reduced to make the jaw appear narrower. [5]
Human jaw shrinkage is the phenomenon of continued size reduction of the human mandible and maxilla over the past 12,000 to 15,000 years. Modern human lifestyles and diets are vastly different now from what they were for most of human evolutionary history .
Prior to selection of a treatment, the patient is examined to determine whether the wide jaw is due to the bone size, the masseter muscle or both. Three-dimensional analysis of the clinical photos, X-rays and 3D CT scans from the front, lateral, oblique, basal and overhead views are required for a detailed evaluation. [3]
The tattoo art was a sacred marker of identity among the Māori and also referred to as a vehicle for storing one's tapu, or spiritual being, in the afterlife. [98] One practice was after death to preserve the skin-covered skull known as Toi moko or mokomokai. In the period of early contact between Māori and Europeans these heads were traded ...
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Mylohyoid ridge is a ridge on the inner side of the bone of the lower jaw extending from the junction of the two halves of the bone in front of the last molar on each side. When there is loss of posterior teeth, the alveolar ridge gets resorbed, causing extremely sharp ridge and making the mylohyoid ridge prominent.
Just before sunset, it was my turn to sit before Whang-Od, who was hunched over on a small stool. Whang-Od hammers away on a visitor's arm. - Kathleen Magramo/CNN
Forensic genealogists solve a 21-year-old case, linking a jawbone to a U.S. Marine captain who died more than 70 years ago in Orange County.