HomeHealth Specialties Eruption of primary dentition starts from.. 6-7 months publisher :NIL NAM -June 27, 2017 Eruption of primary dentition starts from: 1. 6-7 months.*** 2. 1 year. 3. 9 months. Labels Health Specialties Facebook Twitter Share:Eruption of primary dentition starts from.. 6-7 months Facebook Twitter WhatsApp Pinterest LinkedIn Reddit Tumblr Telegram Email