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  2. Preauricular sinus and cyst - Wikipedia

    en.wikipedia.org/wiki/Preauricular_sinus_and_cyst

    Preauricular sinuses and cysts result from developmental defects of the first and second pharyngeal arches. [10] This and other ear malformations are sometimes associated with renal anomalies. [ 11 ] In rare circumstances these pits may be seen in genetic conditions such as branchio-oto-renal syndrome ; however these conditions are always ...

  3. Congenital lip pit - Wikipedia

    en.wikipedia.org/wiki/Congenital_lip_pit

    A congenital lip pit or lip sinus is a congenital disorder characterized by the presence of pits and possibly associated fistulas in the lips. They are often hereditary, and may occur alone or in association with cleft lip and palate , termed Van der Woude syndrome .

  4. Why some people have a small hole in front of their upper ears

    www.aol.com/lifestyle/2016-11-29-why-some-people...

    It is called preauricular sinus which, according to the U.S. National Institutes of Health, or NIH, "generally appears as a tiny skin-lined hole or pit, often just in front of the upper ear where ...

  5. Enamel hypoplasia - Wikipedia

    en.wikipedia.org/wiki/Enamel_hypoplasia

    It may be generalized across the dentition or localized to a few teeth. Defects are categorized by shape or location. Common categories are pit-form, plane-form, linear-form, and localised enamel hypoplasia. [3] [4] [5] Hypoplastic lesions are found in areas of the teeth where the enamel was being actively formed during a systemic or local ...

  6. Human tooth development - Wikipedia

    en.wikipedia.org/wiki/Human_tooth_development

    Natal and neonatal teeth are an anomaly that involves teeth erupting in a newborn infant's mouth earlier than usual. The incidence ranges from 1:2,000 to 1:3,500 births. Natal teeth are more frequent, approximately three times more common than neonatal teeth. Some authors reported a higher prevalence in females than males.

  7. Pitting enamel hypoplasia - Wikipedia

    en.wikipedia.org/wiki/Pitting_enamel_hypoplasia

    Enamel hypoplasia can take a variety of forms, but all types are associated with a reduction of enamel formation due to disruption in ameloblast production. [1] One of the most common types, pitting enamel hypoplasia (PEH), ranges from small circular pinpricks to larger irregular depressions. [2]

  8. Dental pulp test - Wikipedia

    en.wikipedia.org/wiki/Dental_pulp_test

    Dental pulpal testing is a clinical and diagnostic aid used in dentistry to help establish the health of the dental pulp within the pulp chamber and root canals of a tooth. . Such investigations are important in aiding dentists in devising a treatment plan for the tooth being test

  9. A pit of bones discovered under a castle could unlock key ...

    www.aol.com/news/45-000-old-pit-bones-160000797.html

    The discovery of human bone fragments sent the researchers digging through the material excavated about nine decades ago — in which they found additional skeleton fragments.