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  2. Facial trauma - Wikipedia

    en.wikipedia.org/wiki/Facial_trauma

    In facial wounds, tear ducts and nerves of the face may be damaged. [3] Fractures of the frontal bone can interfere with the drainage of the frontal sinus and can cause sinusitis. [30] Infection is another potential complication, for example when debris is ground into an abrasion and remains there. [4]

  3. Wound healing - Wikipedia

    en.wikipedia.org/wiki/Wound_healing

    Wound healing refers to a living organism's replacement of destroyed or damaged tissue by newly produced tissue. [1] In undamaged skin, the epidermis (surface, epithelial layer) and dermis (deeper, connective layer) form a protective barrier against the external environment. When the barrier is broken, a regulated sequence of biochemical events ...

  4. Occlusal trauma - Wikipedia

    en.wikipedia.org/wiki/Occlusal_trauma

    Occlusal trauma; Secondary occlusal trauma on X-ray film displays two lone-standing mandibular teeth, the lower left first premolar and canine. As the remnants of a once full complement of 16 lower teeth, these two teeth have been alone in opposing the forces associated with mastication for some time, as can be evidenced by the widened PDL surrounding the premolar.

  5. Human tooth - Wikipedia

    en.wikipedia.org/wiki/Human_tooth

    Humans have four types of teeth: incisors, canines, premolars, and molars, which each have a specific function. The incisors cut the food, the canines tear the food and the molars and premolars crush the food. The roots of teeth are embedded in the maxilla (upper jaw) or the mandible (lower jaw) and are covered by gums. Teeth are made of ...

  6. Wound - Wikipedia

    en.wikipedia.org/wiki/Wound

    A wound is any disruption of or damage to living tissue, such as skin, mucous membranes, or organs. [1] [2] Wounds can either be the sudden result of direct trauma (mechanical, thermal, chemical), or can develop slowly over time due to underlying disease processes such as diabetes mellitus, venous/arterial insufficiency, or immunologic disease. [3]

  7. Avulsion injury - Wikipedia

    en.wikipedia.org/wiki/Avulsion_injury

    In medicine, an avulsion is an injury in which a body structure is torn off by either trauma or surgery (from the Latin avellere, meaning "to tear off"). [1] The term most commonly refers to a surface trauma where all layers of the skin have been torn away, exposing the underlying structures (i.e., subcutaneous tissue, muscle, tendons, or bone).

  8. 90 Times People Were Very Disappointed With Their Purchases - AOL

    www.aol.com/lifestyle/90-times-people-were-very...

    It's a strategy manufacturers use to drive consumerism and cut costs. Global compliance and sustainability director at Tag Alex Hicks explains : "Products over time have reduced in robustness in ...

  9. Scarification - Wikipedia

    en.wikipedia.org/wiki/Scarification

    Tattoo ink (or similar agent) is rubbed into a fresh cut to add color or extra visibility to the scar. Most of the ink remains in the skin as the cut heals. This was how tattoos were initially done before the use of needles to inject ink. [17] Skin removal/skinning Skin removal allows for larger markings than simple cutting.