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HOME > Restor Dent Endod > Volume 35(6); 2010 > Article
Case Report Pulp vitality and coronal discoloration following traumatic injuries
Tae-Sun Yoon, DDS, Hyung-Gyu Kong, DDS, MSD, Euiseong Kim, DDS, MSD, PhD
2010;35(6):-496.
DOI: https://doi.org/10.5395/JKACD.2010.35.6.492
Published online: November 30, 2010

Microscope Center, Department of Conservative Dentistry, Yonsei University, Seoul, Korea.

Correspondence to Euiseong Kim, DDS, MSD, PhD. Professor, Microscope Center, Department of Conservative Dentistry, Yonsei University School of Dentistry, 250 Seongsanno, Seodaemun-gu, Seoul, Korea 120-752. TEL, +82-2-2228-3150; FAX, +82-2-313-7575; andyendo@yuhs.ac
• Received: August 26, 2010   • Revised: September 13, 2010   • Accepted: October 19, 2010

Copyright © 2010 Korean Academy of Conservative Dentistry

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  • Coronal discoloration is a common sequela to traumatic injuries. In subluxation cases, although the injury is not strong enough to rupture the apical vessels, discoloration may appear by tearing thin walls or occluding small capillaries. In absence of infection pulpal regeneration can occur, and as a result discoloration may completely or partially subside. But judging pulpal status by coronal discoloration can be dangerous and it may lead to unnecessary treatment.
    This case presents coronal discoloration and recovery following traumatic injury of maxillary anterior teeth. In diagnosing traumatized teeth routine cold tests or electric pulp tests are known to be unreliable, but with the aid of ultrasound doppler imaging, assessing pulp vitality of traumatized teeth can be more accurate.
  • Keywords: Discoloration; Pulp vitality; Trauma; Ultrasound doppler
Figure 1
Periapical view at the first exam and after tooth reduction.
jkacd-35-492-g001.jpg
Figure 2
Periapical view and clinical photo at 2 weeks follow-up (discoloration on #21).
jkacd-35-492-g002.jpg
Figure 3
Periapical view and clinical photo at 6 weeks follow-up (discoloration on #21).
jkacd-35-492-g003.jpg
Figure 4
Ultrasound doppler graphy imaging on #11, 21, 22 (from top).
jkacd-35-492-g004.jpg
Figure 5
Periapical view and clinical photo at 6 weeks follow-up (regain the color on #21).
jkacd-35-492-g005.jpg
  • 1. Andreasen FM, Vestergaard Pedersen B. Prognosis of luxated permanent teeth: the development of pulp necrosis. Endod Dent Traumatol. 1985;1(6):207-220.ArticlePubMed
  • 2. Yu DC, Abd-Elmeguid A. Dental pulp neurophysiology: Part 2. Current diagnostic tests to assess pulp vitality. J Can Dent Assoc. 2009;75(2):139-143.PubMed
  • 3. Aguiló L, Gandía JL. Transient red discoloration: report of case. ASDC J Dent Child. 1998 Sep-Oct;65(5):346-348. 356.PubMed
  • 4. Yoon MJ, Kim E, Lee SJ, Bae YM, Kim S, Park SH. Pulpal blood flow measurement with ultrasound Doppler imaging. J Endod. 2010;36(3):419-422.ArticlePubMed
  • 5. Andreasen JO. Textbook and color atlas of Traumatic injuries to the teeth. 4th ed. UK: Oxford.
  • 6. Ozçelik B, Kuraner T, Kendir B, Aşan E. Histopathological evaluation of the dental pulps in crown-fractured teeth. J Endod. 2000;26(5):271-273.ArticlePubMed
  • 7. Andreasen FM. Pulpal healing after luxation injuries and root fracture in the permanent dentition. Endod Dent Traumatol. 1989;5(3):111-131.ArticlePubMed
  • 8. Cohen S, et al. Pathways of the pulp. 9th ed. St. Louis: Mosby.
  • 9. Petersson K, Söderström C, Kiani-Anaraki M, Lévy G. Evaluation of the ability of thermal and electrical tests to register pulp vitality. Endod Dent Traumatol. 1999;15(3):127-131.PubMed
  • 10. Berson M, Grégoire JM, Gens F, Rateau J, Jamet F, Vaillant L, Tranquart F, Pourcelot L. High frequency(20MHz) ultrasonic devices : advantages and applications. Eur J Ultrasound. 1999;10(1):53-63.ArticlePubMed

Tables & Figures

Figure 1
Periapical view at the first exam and after tooth reduction.
jkacd-35-492-g001.jpg
Figure 2
Periapical view and clinical photo at 2 weeks follow-up (discoloration on #21).
jkacd-35-492-g002.jpg
Figure 3
Periapical view and clinical photo at 6 weeks follow-up (discoloration on #21).
jkacd-35-492-g003.jpg
Figure 4
Ultrasound doppler graphy imaging on #11, 21, 22 (from top).
jkacd-35-492-g004.jpg
Figure 5
Periapical view and clinical photo at 6 weeks follow-up (regain the color on #21).
jkacd-35-492-g005.jpg

REFERENCES

  • 1. Andreasen FM, Vestergaard Pedersen B. Prognosis of luxated permanent teeth: the development of pulp necrosis. Endod Dent Traumatol. 1985;1(6):207-220.ArticlePubMed
  • 2. Yu DC, Abd-Elmeguid A. Dental pulp neurophysiology: Part 2. Current diagnostic tests to assess pulp vitality. J Can Dent Assoc. 2009;75(2):139-143.PubMed
  • 3. Aguiló L, Gandía JL. Transient red discoloration: report of case. ASDC J Dent Child. 1998 Sep-Oct;65(5):346-348. 356.PubMed
  • 4. Yoon MJ, Kim E, Lee SJ, Bae YM, Kim S, Park SH. Pulpal blood flow measurement with ultrasound Doppler imaging. J Endod. 2010;36(3):419-422.ArticlePubMed
  • 5. Andreasen JO. Textbook and color atlas of Traumatic injuries to the teeth. 4th ed. UK: Oxford.
  • 6. Ozçelik B, Kuraner T, Kendir B, Aşan E. Histopathological evaluation of the dental pulps in crown-fractured teeth. J Endod. 2000;26(5):271-273.ArticlePubMed
  • 7. Andreasen FM. Pulpal healing after luxation injuries and root fracture in the permanent dentition. Endod Dent Traumatol. 1989;5(3):111-131.ArticlePubMed
  • 8. Cohen S, et al. Pathways of the pulp. 9th ed. St. Louis: Mosby.
  • 9. Petersson K, Söderström C, Kiani-Anaraki M, Lévy G. Evaluation of the ability of thermal and electrical tests to register pulp vitality. Endod Dent Traumatol. 1999;15(3):127-131.PubMed
  • 10. Berson M, Grégoire JM, Gens F, Rateau J, Jamet F, Vaillant L, Tranquart F, Pourcelot L. High frequency(20MHz) ultrasonic devices : advantages and applications. Eur J Ultrasound. 1999;10(1):53-63.ArticlePubMed

Citations

Citations to this article as recorded by  
  • Pulp necrosis following luxated injury to teeth in a patient with uncontrolled type II diabetes mellitus: a case report
    Haneol Shin, Seung-Jong Lee, Il-Young Jung, Chan-Young Lee
    Restorative Dentistry & Endodontics.2012; 37(1): 61.     CrossRef
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    Pulp vitality and coronal discoloration following traumatic injuries
    J Korean Acad Conserv Dent. 2010;35(6):492-496.   Published online November 30, 2010
    DOI: https://doi.org/10.5395/JKACD.2010.35.6.492
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Pulp vitality and coronal discoloration following traumatic injuries
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Figure 1 Periapical view at the first exam and after tooth reduction.
Figure 2 Periapical view and clinical photo at 2 weeks follow-up (discoloration on #21).
Figure 3 Periapical view and clinical photo at 6 weeks follow-up (discoloration on #21).
Figure 4 Ultrasound doppler graphy imaging on #11, 21, 22 (from top).
Figure 5 Periapical view and clinical photo at 6 weeks follow-up (regain the color on #21).

Figure 1

Figure 2

Figure 3

Figure 4

Figure 5

Pulp vitality and coronal discoloration following traumatic injuries
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