Kaohsiung Journal of Medical Sciences
Volume 23, Issue 10 , Pages 519-525, October 2007

Three-dimensional Relationship of the Maxillary Anterior Teeth to the Incisive Papilla in Young Adults

  • Po-Sung Fu

      Affiliations

    • Departments of Family Dentistry and Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
    • ,
  • Chun-Cheng Hung

      Affiliations

    • Department of Prosthodontics, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
    • Graduate Institute of Dental Science, Kaohsiung Medical University, Kaohsiung, Taiwan
    • ,
  • Jau-Ming Hong

      Affiliations

    • Department of Prosthodontics, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
    • Graduate Institute of Dental Science, Kaohsiung Medical University, Kaohsiung, Taiwan
    • ,
  • Jen-Chyan Wang

      Affiliations

    • Department of Prosthodontics, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
    • Graduate Institute of Dental Science, Kaohsiung Medical University, Kaohsiung, Taiwan
    • ,
  • Ching-Fang Tsai

      Affiliations

    • Department of Prosthodontics, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
    • Graduate Institute of Dental Science, Kaohsiung Medical University, Kaohsiung, Taiwan
    • ,
  • Yi-Min Wu

      Affiliations

    • Departments of Family Dentistry and Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
    • Graduate Institute of Dental Science, Kaohsiung Medical University, Kaohsiung, Taiwan
    • Corresponding Author InformationAddress correspondence and reprint requests to: Dr Yi-Min Wu, Department of Family Dentistry, Kaohsiung Medical University Hospital, 100 Tzyou 1st Road, Kaohsiung 807, Taiwan

Received 19 September 2006; accepted 12 April 2007.

Article Outline

The use of the incisive papilla as an important guide for setting maxillary teeth has been applied in prosthetic dentistry. The purpose of this study was to estimate the relationship between maxillary anterior teeth and the incisive papilla of young adults with approximately optimal occlusion in Taiwan. Study casts of 100 young adults (50 males, 50 females; mean age, 22.4 years) were selected in this study. All of the marked points on maxillary casts were measured using a three-dimensional precise measuring device. The relative positions of maxillary teeth landmarks to incisive papilla were measured and analyzed using SAS software (JMP 4.02). Student's t test and Pearson's correlation test were used to test the statistical significance of any differences (p < 0.05). The results showed that the mesiolabial incisal edge of the upper central incisor was 7.30 ± 0.64mm anterior to the center of the incisive papilla. There was no significant difference in gender (p > 0.05). The intercanine line was 0.27 ± 1.30 mm posterior to the center of incisive papilla. There was no significant difference in gender (p > 0.05). The horizontal distances of the mesiolabial incisal edge of the upper central incisor and the intercanine line to the center of the incisive papilla showed only weak correlation (r < 0.5). In addition, the three-dimensional relationship of maxillary anterior teeth to the center of the incisive papilla was measured and analyzed. We suggest using the incisive papilla as a reference landmark for the setting of maxillary anterior teeth.

Key Words:  incisive papilla , maxillary anterior teeth , three-dimensional analysis

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PII: S1607-551X(08)70010-X

doi:10.1016/S1607-551X(08)70010-X

Kaohsiung Journal of Medical Sciences
Volume 23, Issue 10 , Pages 519-525, October 2007

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