بحث حول أنواع الأسنان ووظائفها

عبد اللطيف

اخر تحديث :

أنواع الأسنان ووظائفها

أنواع الأسنان ووظائفها

أنواع الأسنان ووظائفها

القواطع

القواطع -أسنان-

القواطع

مكانها:

توجد القواطع في مقدمة الفم

شكلها:

حده ورقيقة کانسكين.

وظيفتها:

قطع الطعام إلى قطع صغيرة.

عددها:

8 - وهي اسنان رقيقة وحادة موجودة في الأمام.

الأنياب:

صور الانياب

مكانها:

توجد الانياب على جانبي القواطع.

شكلها:

مدبّبة اي لها راس حاد كقشّة الأسنان.

وظيفتها:

تمزيق الطعام .

عددها:

4 - وهي اسنان موجودة بين القواطع و الاضراس.

الأضراس الطواحين:

الأضراس الطواحين:

مكانها:

تواجد الأضراس في الخلف.

شكلها:

مسطحة وسميكة.

وظيفتها:

تفتيت وطحن الطعام.

عددها:

20 - تختبىء في الخلف

انواع الاسنان ووضيفتها٢

انواع الاسنان ووضيفتها٣

تعديل المقال

الأقسام بحوث

مقالات قد تهمك

تعليقات

إرسال تعليق

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