A kind of tooth root implant structure of the utility model system, it includes root of the tooth ontology and close bone high polymer composite coatings, wherein, close bone high polymer composite coating system penetrates dip coating manner, to be covered on the implant surface of root of the tooth ontology, close bone high polymer composite coating is made of spherical chitosan (Chitosan) and oxyhydrogen-base apatite particle [6 (OH) 2 of Ca10 (PO4)]. The durable years planted tooth success rate and extend tooth root implant itself will can be improved through the tooth root implant structure of the utility model.本新型係一種牙根植體結構，其包含牙根本體以及親骨性高分子複合塗層，其中，親骨性高分子複合塗層係透過浸塗方式，以覆蓋在牙根本體的植體表面上，親骨性高分子複合塗層係由幾丁聚醣(Chitosan)與氫氧基磷灰石粒子[Ca10(PO4)6(OH)2]所組成。透過本新型的牙根植體結構將可提高植牙成功率與延長牙根植體本身的耐久年限。
