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Azerbaycan Saytlari

 »  Home  »  Endodontic Articles 7
Endodontic Articles 7
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» Hemisection for treatment of an advanced endodontic-periodontal lesion
By JofER editor | Published 06/26/2002 | Endodontic Articles 7 | Unrated
H. Haueisen & D. Heidemann
Department of Restorative Dentistry, University of Dentistry ZZMK (Carolinum), Johann Wolfgang Goethe University, Frankfurt, Germany.

Aim.
To emphasize the importance of primary endodontic treatment when dealing with endo–perio lesions and to demonstrate the considerable healing potential of the endodontic aspect.

Key learning points.
  •  The origin of a combined endo–perio lesion is indicated by its clinical and radiographic appearance. The periodontal situation is often misinterpreted.
  • The prognosis for the endodontic element of treatment is excellent.
  • Local pathologic processes in the oral cavity may affect a patient’s general health.
» The effect of AH 26 and AH Plus on MCF-7 breast cancer cell proliferation in vitro
By JofER editor | Published 06/18/2002 | Endodontic Articles 7 | Unrated
R. Pulgar, J. J. Segura-Egea, M. F. Fernandez, A. Serna3 & N. Olea
Department of Stomatology, School of Dentistry, University of Granada, Granada, Spain.
Department of Stomatology, School of Dentistry, University of Sevilla, Sevilla, Spain.
Laboratory of Medical Investigation, Department of Radiology, School of Medicine, University of Granada, Granada, Spain.


Aim.
The purpose of this study was to determine whether AH 26 and AH Plus have in vitro oestrogenic effects.

Conclusions.
AH 26 showed in vitro oestrogenic effect, but not AH Plus. The endodontist must consider the possible oestrogenic
effect of AH 26, as well as the cytotoxic effects of root filling materials, in order to avoid the leakage of sealer through the apex during root canal treatment. The choice of AH Plus as endodontic sealer avoids the possibility of oestrogenic activity in the periradicular tissues.
» In vitro comparison of root-canal measurements with conventional and digital radiology
By JofER editor | Published 06/15/2002 | Endodontic Articles 7 | Unrated

A. Lozano, L. Forner, C. Llena
Endodontic, Dental Pathology and Therapeutics Unit, Department of Stomatology, Faculty of Medicine and Dentistry, University of Valencia, Spain.

Aim.
The present study compared the efficacy of digital and conventional radiology for root-canal length measurement.

Conclusions.
Conventional radiography with any size of file and regardless of the angle or magnification was the most precise imaging diagnostic technique for determining root-canal length amongst the systems examined in the present study. For file sizes larger than15, the performance of the digital systems was similar to that of conventional radiography in terms of their capacity to diagnose working length, with no influence being exerted by the angle or magnification involved. T he differences observed between the DR and conventional systems have no clinical relevance.

» Failure of ProFile Ni-Ti instruments used by an inexperienced operator under access limitations
By JofER editor | Published 06/12/2002 | Endodontic Articles 7 | Unrated

G. M. Yared1 & G. K. Kulkarni
Discipline of Endodontics and Preventive Dentistry, Faculty of Dentistry, University of Toronto, Ontario, Canada.

Aim.
The purpose of this study was to evaluate the failure incidence of ProFile nickel-titanium rotary instruments (PRI) when used by an inexperienced operator in conjunction with different motors and under limitations of access.

Conclusions.
The results of the present study suggested that a very low torque control motor was safer than on air, high torque or low torque control motors when PRI taper 6% were used byan inexperienced operatorat170 rpm and under limitations due to access.

» A preliminary study of the percentage of gutta-percha-filled area in the apical canal filled with vertically compacted warm gutta-percha
By JofER editor | Published 06/10/2002 | Endodontic Articles 7 | Unrated

M.-K.Wu, L.W. M. van der Sluis & P. R.Wesselink
Department of Cariology Endodontology Pedodontology, Academic Centre for Dentistry Amsterdam (ACTA), Amsterdam, the Netherlands.

Aim.
The aim of this study was to determine the influence of the width of apical root canals and the depth of heat application during warm vertical compaction on the percentage of gutta-percha-filled area (PGFA) in the apical root canal.

Conclusions.
After warm vertical compaction, the quality of adaptation of gutta-percha to the wall of the apical root canal varies; the influencing factors in this study were the depth of heat application and the width of the apical root canal.



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