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KMID : 1020220110110010125
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Journal of Korean Society of Dental Hygiene
2011 Volume.11 No. 1 p.125 ~ p.134
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A study on injuries in deciduous teeth and permanent teeth
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Lee Mi-Ra
Ji Min-Gyeong
Min Hee-Hong
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Abstract
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Objectives: The writer aimed to examine the dynamic aspect on damage and to be conducive to the swift cure
according to right treatment to educate prevention of injury through surveying on the number of the damaged
teeth given injury, tooth kind, type in damage, place and cause for being damaged, frequency by month and by
time level, and location of the damaged tooth.
Methods: Targeting 343 teeth of receiving injury in 201 patients who visited the department of pediatric dentistry,
the department of preservation, and the oral and maxillofacial surgery in a dental hospital in Cheonan city
from April 2007 to April 2009, by having the dental injury as the main reason, the following conclusions were
obtained.
Results: 1. Deciduous teeth were indicated to be the highest in imperfect luxation with 60.7%, and were indicated
to be in order of crown fracture with 25.5%, root fracture with 12.4%, and perfect luxation with 1.4%. The permanent
teeth were indicated to be the highest in crown with 58.1%, and were indicated to be in order of imperfect
luxation with 27.3%, root fracture with 13.1%, and perfect luxation with 1.5%(p＜0.001). 2. In case of deciduous
teeth for a place with damage, the home was indicated to be the highest with 31.7%. The permanent teeth were
indicated to be the highest(p＜0.001) in the road and stairs with 40.4%. As to a cause for damage, both deciduous
and permanent teeth were indicated to be the highest(p＜0.001) in a cause for falling with 53.1% and 30.8%,
respectively. 3. As for a treatment method, in case of deciduous teeth, the close observation was indicated to be
the highest with 46.9%. In permanent teeth, the resin restoration was indicated to be the highest(p＜0.001) with
22.2%. Dental injuries in deciduous teeth and permanent teeth are showing diverse aspects.
Conclusions : It is important to arrange guidelines on cure of the damaged teeth by injury through continuing a
dynamic research on these aspects. Also, the damage in deciduous teeth may have direct and indirect influence
upon growth in successional permanent teeth. Thus, through careful treatment, the injury needs to be minimized.
It is considered to be likely necessary for a right coping method when injury occurs, and above all, for enough
prior education so that injury cannot occur.
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KEYWORD
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deciduous teeth, injury, permanent teeth
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