نویسنده: الیسا

دانلود پاورپوینت انگلیسی Structures of Teeth به همراه ترجمه فارسی

پاورپوینت انگلیسی Structures of Teeth به همراه ترجمه فارسی
 
 
نوع فایل: PowerPoint
تعداد اسلاید (ها): 22
 
 
چکیده ای از متن:
Teeth are composed of:
enamel
the pulp-dentin complex
cementum
Enamel formation
(amelogenesis)
ameloblasts
embryonic
germ layer
ectoderm Enamel covers the anatomic crown of the tooth varies in thickness in different areas It is thicker at the incisal and occlusal areas of a tooth and becomes progressively thinner until it terminates a the cementoenamel junction (CEJ)
The thickness a varies from one class of tooth to another 2 mm incisal ridges of incisors 2.3 to 2.5 mm cusps of premolars 2.5 to 3 mm cusps of molars can approach zero where the junction is…