Diploma Dental Assistant (DDA 2 Years): Diploma Dental Assistant (DDA 2 Years): Mobile No. 01987-073965, 01941-123488, 01797-522136. A Diploma Dental Assistant Course of 2 years duration is a medium type of dental diploma course in Bangladesh. This course contains 18 subjects in 4 semesters. The 1st semester contains 5 subjects …

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