牙胚的发生和分化 录 Designed and produced by Dr Wang Li
牙胚的发生和分化 Designed and produced by Dr. Wang Li 11
牙胚的发生和分化 Designed and produced by Dr Wang Li 12
牙胚的发生和分化 Designed and produced by Dr. Wang Li 12
牙胚的发生和分化 牙板上剑 Designed and produced by Dr Wang Li 13
牙胚的发生和分化 Designed and produced by Dr. Wang Li 牙板上皮 外胚间充质细胞 13
牙胚的发生和分化 ■牙胚的组成: 成釉器腔外胚层 牙釉质 Enamel organ 牙乳头外胚间叶 牙髓、牙本质 Dental papilla 牙囊外胚间叶 牙骨质、牙周膜、 Dental sac 固有牙槽骨 Designed and produced by Dr. Wang Li
牙胚的发生和分化 牙胚的组成： 成釉器 牙乳头 牙 囊 Designed and produced by Dr. Wang Li 14 牙釉质 牙髓、牙本质 牙骨质、牙周膜、 固有牙槽骨 口腔外胚层 外胚间叶 外胚间叶 Enamel organ Dental papilla Dental sac
成釉器的发育: 成釉器的发育是一个 蕾 连续的过程,可分为 状 期 个时期。 Bud stage 帽 钟 状 状 期绕 期 Cap stage Bell stage Designed and produced by Dr. Wang Li 15
成釉器的发育： Designed and produced by Dr. Wang Li 帽 状 期 钟 状 期 蕾 状 期 成釉器的发育是一个 连续的过程，可分为 三个时期。 Bud stage Cap stage Bell stage 15