[In vitro comparison of instruments for root canal preparation. I. Pilot study of the homogeneity of study groups].
If extracted human teeth are used for comparative study of root canal preparatory instruments the selection of roots into homogeneous test groups is decisive step of the experiment. On the basis our pilot USDA it is necessary not only to consider the Schneider angle and the length of root canal curvature but the surface area of root canals on the mesio-distal and oro-vestibular radiographs showing the projected view of the canals.
Bartha
K
K
Semmelweis Orvostudományi Egyetem, Konzerváló Fogászati Klinika, Budapest.
Dobó
N C
NC
Bernáth
M
M
Szabó
J
J
D003762:Dental Instruments / Q000592:standards*; D003786:Dental Pulp Cavity / Q000033:anatomy & histology*; D006801:Humans; D006814:Hungary; D010865:Pilot Projects; D018915:Root Canal Preparation / Q000295:instrumentation*; D014081:Tooth Extraction; D014092:Tooth Root / Q000033:anatomy & histology
Gyökércsatorna-preparáló müszerek in vitro összehasonlító vizsgálata. I. Rész. Elökísérlet a kísérleti csoportok homogenitásának vizsgálatára.