Diff btwn prmry & prmnt.pptxHuman teeth function to mechanically break down items of food by cutting and crushing them in preparation for swallowing and digesting.

Human teeth function to mechanically break down items of food by cutting and crushing them in preparation for swallowing and digesting. As such, they are considered part of the human digestive system. Humans have four types of teeth: incisors, canines, premolars, and molars, which each have a specific function.

1. Dhanya Sasikumar omfp DIFFERENCE BETWEEN PRIMARY AND PERMANENT TEETH

2. introduction Primary teeth are also called as temporary / milk teeth / d eciduous / baby teeth. Permanent dentition are second set of teeth : adult teeth Primary teeth are present within the age of 6 months-10 to 12 Years Primary teeth are smaller in size when compare to permanent te eth Bicuspids and third molars are absent in primary set of t ooth Three periods of dentition :- Primary dentition period :- upto 6 yrs Mixed dentition period :- with primary teeth and some permanent teeth :- 6 – 12 yrs 3. Permanent dentition period :- after 12 yrs

3. Mammelons Absent Present in newly erupted central incisors

4. ERUPTION SEQUENCES : PRIMARY Vs PERMANENT

5. Primary teeth :- Eruption sequence follows a pattern incisors- 1 st molars- canines- 2 nd molars. This pattern is followed by both arches, with mandibular arch preceding maxillary arch. Loss of deciduous teeth is in same order of eruption Permanent teeth :- Pattern of eruption: Maxillary : 6-1-2-4-3-5 Mandibular : 6-1-2-3-4-5

6. GENERAL ANATOMY OF TOOTH

7. PULP

8. Mesiodistal section

9. HISTOLOGY

10. SUMMARY General Crown Roots Pulp Histology Enamel Dentin