Chinese Journal of Tissue Engineering Research ›› 2012, Vol. 16 ›› Issue (47): 8760-8764.doi: 10.3969/j.issn.2095-4344.2012.47.005

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Calcium hydroxide cataplasm in prevention of medicament pain after root canal preparation

Chen Xia-yun1, 2, Nie Er-min1, Zhang Chun-yuan1, Jiang Rui1, Xia Yin-hua1   

  1. 1Department of Stomatology, the First Affiliated Hospital of Sun Yat-sen University,Guangzhou 510080, Guangdong Province, China
    2Department of Stomatology, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou 510630, Guangdong Province, China
  • Received:2012-04-26 Revised:2012-06-11 Online:2012-11-18 Published:2012-11-18
  • Contact: Zhang Chun-yuan, Master, Professor, Department of Stomatology, the First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, Guangdong Province, China
  • About author:Chen Xia-yun☆, Doctor, Attending physician, Department of Stomatology, the First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, Guangdong Province, China; Department of Stomatology, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou 510630, Guangdong Province, China 15818865051@139.com

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Abstract:

BACKGROUND: Calcium hydroxide paste can be applied not only in the direct pulp capping, indirect pulp capping and the apexification, presently it has been also widely used in the root canal treatment.
OBJECTIVE: To observe the influence of calcium hydroxide cataplasm in preventing the pain after root canal preparation.
METHODS: 752 patients were selected from the First Affiliated Hospital of Sun Yat-sen University. The cataplasms were sent into the root canal by using the screw conveyor in the calcium hydroxide group in which there were 403 patients, and the paper points with formocresol were sent into the root canal by using forceps in the formocresol group in which there were 349 patients. The root canal was temporarily closed with the zinc oxide in both two groups. Referral 1 week later and painful record were made.
RESULTS AND CONCLUSION: There were 11 patients (2.73%) in the calcium hydroxide group and 51 patients (14.61%) in the formocresol group who had the medicament pain after root canal preparation. There was a significant difference in incidence of pain between the two groups (P < 0.05). The incidence of medicament pain after root canal preparation was effectively reduced by using the root canal disinfectant with the calcium hydroxide cataplasm.

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