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- نقص تكون ميناء الأسنان (بالإنجليزية: Enamel hypoplasia) هو خلل في الأسنان، ويحدث بصورة تكون ميناء أسنان صلب ولكن يكون بطبقة رفيعة وقليل في كميته، وذلك بسبب خلل في تكون هيكل الميناء. عادة تتضمن الحالة وجود أجزاء من الأسنان بها وهاد (pits). في بعض الحالات، يوجد ثقب في تاج السن الطبيعي، في الحالات الحرجة، لا يوجد ميناء للسن، فيكون العاج معرضًا للخارج. (ar)
- Enamel hypoplasia is a defect of the teeth in which the enamel is deficient in quantity, caused by defective enamel matrix formation during enamel development, as a result of inherited and acquired systemic condition(s). It can be identified as missing tooth structure and may manifest as pits or grooves in the crown of the affected teeth, and in extreme cases, some portions of the crown of the tooth may have no enamel, exposing the dentin. 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. Hypoplastic lesions are found in areas of the teeth where the enamel was being actively formed during a systemic or local disturbance. Since the formation of enamel extends over a long period of time, defects may be confined to one well-defined area of the affected teeth. Knowledge of chronological development of deciduous and permanent teeth makes it possible to determine the approximate time at which the developmental disturbance occurred. Enamel hypoplasia varies substantially among populations and can be used to infer health and behavioural impacts from the past. Defects have also been found in a variety of non-human animals. (en)
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- نقص تكون ميناء الأسنان (بالإنجليزية: Enamel hypoplasia) هو خلل في الأسنان، ويحدث بصورة تكون ميناء أسنان صلب ولكن يكون بطبقة رفيعة وقليل في كميته، وذلك بسبب خلل في تكون هيكل الميناء. عادة تتضمن الحالة وجود أجزاء من الأسنان بها وهاد (pits). في بعض الحالات، يوجد ثقب في تاج السن الطبيعي، في الحالات الحرجة، لا يوجد ميناء للسن، فيكون العاج معرضًا للخارج. (ar)
- Enamel hypoplasia is a defect of the teeth in which the enamel is deficient in quantity, caused by defective enamel matrix formation during enamel development, as a result of inherited and acquired systemic condition(s). It can be identified as missing tooth structure and may manifest as pits or grooves in the crown of the affected teeth, and in extreme cases, some portions of the crown of the tooth may have no enamel, exposing the dentin. 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. Hypoplastic lesions are found in areas of the teeth where the enamel was being actively formed during a systemic or local disturbance. Since the for (en)
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- نقص تكون ميناء الأسنان (ar)
- Enamel hypoplasia (en)
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