title: Evaluation of the palatal bone for placement of orthodontic mini-implants in Japanese adults.
abstract: Mini-implants are increasingly being used for orthodontic anchorage in the palate. The anatomical structure of the jaw must be properly evaluated prior to use; however, there are a few research reports providing basic data regarding the palate. Bone thickness was measured and bone morphology evaluated in the palates of Japanese people. The palates of five Japanese adult cadavers and 15 skulls were examined. The samples were imaged and measured using the micro-CT system. In the mid-palatine suture region, the cortical bone had a complex mesh-like structure and was thicker than surrounding areas. Cortical bone thickness varied depending on the site. The mid-palatine suture region is an ideal site for mini-implant insertion; however, because bone and cortical bone thickness markedly decrease in the lateral region, careful attention should be paid when inserting mini-implants in the mid-palatine suture.
authors.affiliation: Dept. of Anatomy, Tokyo Dental College, 1-2-2 Masago, Mihama-ku, Chiba-shi, Chiba-ken 261-8502, Japan. kennakahara@tdc.ac.jp
authors.forename: Ken
authors.initials: K
authors.lastname: Nakahara
authors.forename: Satoru
authors.initials: S
authors.lastname: Matsunaga
authors.forename: Shinichi
authors.initials: S
authors.lastname: Abe
authors.forename: Yuichi
authors.initials: Y
authors.lastname: Tamatsu
authors.forename: Ikuo
authors.initials: I
authors.lastname: Kageyama
authors.forename: Masatsugu
authors.initials: M
authors.lastname: Hashimoto
authors.forename: Yoshinobu
authors.initials: Y
authors.lastname: Ide
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002102:Cadaver; D002508:Cephalometry / Q000379:methods; D003393:Cranial Sutures / Q000033:anatomy & histology; D015921:Dental Implants; D006801:Humans; D007091:Image Processing, Computer-Assisted / Q000379:methods; D021621:Imaging, Three-Dimensional / Q000379:methods; D007564:Japan; D008875:Middle Aged; D052280:Orthodontic Anchorage Procedures / Q000295:instrumentation*; D021362:Palate, Hard / Q000033:anatomy & histology*; D055114:X-Ray Microtomography / Q000379:methods; D055815:Young Adult
chemical_list: D015921:Dental Implants