하악 영구구치 치수강의 증령적 변화
A Study on the Change of Puly Cavity of the Adult Posterior Teeth by Ageing.
홍호철, 민상기,
소속 상세정보
홍호철 ( ) - 부산대학교
민상기 ( ) - 부산대학교
KMID : 0355219930180010107
Abstract
The author has taken intraoral standard films by the paralleling technique of 6414 teeth in 838 patients ranged from early twenties to early sixties and analysed the change of pulp cavity in the mandibular posterior teeth by ageing.
@ES The obtained results were as follows :
@EN 1. There was no significant, difference between the right and left teeth.
2. The degree of change of pulp cavity in female was higher than that in male.
3. The change pulp cavity was increased by ageing.
4. The correlation between the degree of change of pulp cavity in mandibular posterior teeth
(X) and age(Y) were :
Male 1st premolar Y=13.22X + 3.37 r=0.79
2nd premolar Y=12.09X + 3.65 r=0.79
1st molar Y=11.90X + 1.25 r=0.78
Female 1st premolar Y=13.66X - 2.49 r=0.86
2nd premolar Y=13.63X - 2.42 r=0.86
1st molar Y=12.42X - 1.44 r=0.79
2nd molar Y=11.42X + 5.91 r=0.84
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