Journal of the Korean Academy of Pediatric Dentistry 1999;26(2):310-316.
Published online May 31, 1999.
PULP VITALITY TEST OF TEETH AFTER TRAUMATIC INJURIES USING LASER DOPPLER FLOWMETRY - A CASE REPORT
 
외상 받은 치아의 치수생활력 검사 - Laser Doppler flowmetry를 이용한 증례보고
송윤주, 김현정, 남순현, 김영진
경북대학교 치과대학 소아치과학교실
Abstract
In the traumatized teeth, the major complications are pulp necrosis, and root resorption. The factors influencing to prognosis are the state of root development, type of injuries, quality of fixation. There are good prognosis in the case of immature teeth, minor luxation injuries. To minimize of occurrence of these complication, it is very important to determine the pulp vitality. This can help us decide whether or not to treat the teeth endodontically. But, it is difficult to determine of pulp vitality in immature teeth or traumatized teeth. In this case, pulp vitality test was done periodically on the traumatized upper central incisors, and the results were different among cold test, electric pulp test, and laser Doppler flowmetry. The conclusions were obtained from this case can be summarized as follows; 1. Pulp vitality of traumatized teeth should be negative early, but with time going, pulp vitality could be recovered. 2. The positive response of pulp vitality test was detected earlier in laser Doppler flowmetry. 3. Between cold test and electric pulp test, cold test was more reliable in determining pulp vitality.
Key Words: laser Doppler flowmmetry, Pulp vitality, Revascularization, Traumatized immature teeth


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