Int J Stomatol

Inter J Stomatol ›› 2012, Vol. 39 ›› Issue (5): 597-600.doi: 10.3969/j.issn.1673-5749.2012.05.011

Previous Articles     Next Articles

External feature of the first premolars of some youth and junior in Shandong area

Wang Yaozhong1, Guan Qunli2, Deng Jing2, Deng Yue1.   

  1. 1. Dept. of Oral and Maxillofacial Surgery, Qingdao Stomatological Hospital, Qingdao 266003, China; 2. Dept. of Stomatology, The Affiliated Hospital of Medical School, Qingdao University, Qingdao 266003, China
  • Received:2011-11-18 Revised:2012-05-31 Online:2012-09-01 Published:2012-09-01

RichHTML

1

PDF (PC)

1122

Abstract:

Objective To investigate the morphology of the first permanent premolars from some youth and junior in Shandong region and provide anatomic data and therapy basis for clinical treatment, education and scientific research in department of stomatology. Methods One hundred and forty six freshly extracted first permanent premolars of youth and junior in Shandong region were collected and grouped by position and gender for 8 groups. The teeth were measured according to the established method, including the length of tooth, height of dental crown, length of dental root, the ratio of height of dental crown and length of dental root, width of dental crown, width of dental neck, the ratio of width of dental crown and width of dental neck, deep of dental crown, depth of dental neck, the ratio of deep of dental crown and depth of dental neck. Then the data were analyzed using the SPSS 13.0 software package. Results Some anatomic data of the first permanent premolars of hobbledehoy in Shandong region were obtained. Conclusion The anatomic data between the right and left position of the same gender had no difference and between different gender of the same position had some differences.

Key words: youth, junior, first premolar, anatomic form


TrendMD: 
[1] Xu Jing, Zhang Xiaorong. Research progress on the effects of orthodontic treatment on the upper airway [J]. Inter J Stomatol, 2017, 44(5): 544-449.
[2] Li Xiangjie 1，2,Deng Manjing 1 .. Research progress on C-shaped canal system in mandibular first premolars [J]. Inter J Stomatol, 2013, 40(2): 192-195.
[3] WU Na, ZHENG Yu-lu, SHU Yi, SUN Jian- xun, LEI Lei, JIANG Lan, WU Hong- kun, ZHOU Xue- dong. Study in vitro of the anatomy of maxillary fir st permanent pr emolar s in Chengd [J]. Inter J Stomatol, 2008, 35(2): 107-110.
Viewed
Full text


Abstract

Cited
  Shared   
  Discussed   
[1] . [J]. Foreign Med Sci: Stomatol, 1999, 26(06): .
[2] . [J]. Foreign Med Sci: Stomatol, 1999, 26(06): .
[3] . [J]. Foreign Med Sci: Stomatol, 1999, 26(06): .
[4] . [J]. Foreign Med Sci: Stomatol, 1999, 26(06): .
[5] . [J]. Foreign Med Sci: Stomatol, 1999, 26(05): .
[6] . [J]. Foreign Med Sci: Stomatol, 1999, 26(05): .
[7] . [J]. Foreign Med Sci: Stomatol, 1999, 26(04): .
[8] . [J]. Foreign Med Sci: Stomatol, 1999, 26(04): .
[9] . [J]. Foreign Med Sci: Stomatol, 2004, 31(02): 126 -128 .
[10] . [J]. Inter J Stomatol, 2008, 35(S1): .