The primary dentition, commonly known as baby teeth, consists of 20 teeth that typically emerge between six months and three years of age. General features include smaller size, whiter color, and a more rounded shape compared to permanent teeth. Specific features include the absence of premolars, with only incisors, canines, and molars present, and the presence of wider primary molars that help guide the development of the permanent dentition. Additionally, primary teeth have thinner enamel and dentin layers, making them more susceptible to decay.
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The primary dentition, or baby teeth, typically consists of 20 teeth while the permanent dentition has 32 teeth, including wisdom teeth. Primary teeth are smaller in size and whiter in color compared to permanent teeth. Additionally, primary teeth help children chew and speak properly, while permanent teeth are meant to last a lifetime.
A group of teeth is commonly referred to as a "dentition." In humans, dentition includes primary (baby) teeth and permanent (adult) teeth. Each type of dentition has a specific number and arrangement of teeth, including incisors, canines, premolars, and molars.
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1-The primary dentition is smaller in size than secondary dentition,except mesiodistal length of molar about 1/3 bigger than premolars. 2-Primary dentition is bluish,white and more opaque than secondary. 3-Primary dentition have more pronounced cervical margin. 4-Crowns of the anterior primary dentition are more bulbous,pronounced labial cingulum. Dr. Abdulwahab Al-kandari
Maxillary laterals
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there are no premolars in primary dentition
Dentition refers to the arrangement, type, and number of teeth in an organism, typically in relation to their developmental stage. In humans, it includes the primary (deciduous) teeth and the permanent teeth that replace them. Dentition can vary significantly among different species, influencing their feeding habits and ecological niches. The study of dentition is important in fields like dentistry, paleontology, and anthropology.
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In the universal national system for primary dentition, teeth are identified using a numbering system that assigns a unique number to each tooth. Primary teeth are numbered from A to T, with the upper teeth (A-J) being assigned numbers 1-10 from right to left and the lower teeth (K-T) numbered 11-20 from left to right. This system provides a clear and standardized way to identify and reference primary teeth in dental records.
1.Primary elections 2. General Elections3. Elections on specific policy questions