Search

Showing total 8 results
Start Over Journal international endodontic journal
8 results

1. Radiological assessment of periapical status using the periapical index: comparison of periapical radiography and digital panoramic radiography

Author

Juan J. Segura-Egea, Ana Fernández-Palacín, José Vicente Ríos-Santos, P. Bullón-Fernández, and C. Ridao-Sacie

Subjects
Adult, Male, Paper, Molar, medicine.medical_specialty, Radiography, Dentistry, stomatognathic system, Radiography, Panoramic, Maxilla, medicine, Humans, Radiography, Bitewing, General Dentistry, Aged, Digital radiography, Periodontitis, Orthodontics, Data display, business.industry, Periapical Diseases, Periapical radiography, Radiography, Dental, Digital, Middle Aged, Endodontics, medicine.disease, Radiological weapon, Data Display, Female, Molar, Third, Periodontal Index, business
Abstract

Aim To compare the use of periapical radiographs and digital panoramic images displayed on monitor and glossy paper in the assessment of the periapical status of the teeth using the periapical index (PAI). Methodology A total of 86 subjects were examined. All participants underwent a full-mouth radiographic survey (14 periapical radiographs) and a panoramic radiography. The periapical status, using the PAI score, of all appraised teeth was assessed. Results Periapical radiographs allowed the assessment of the periapical status of 87% of teeth using the PAI. On the contrary, digital radiography had a significantly reduced potential to allow assessment of the periapical status (P

Published
2007

2. Antibacterial activity in paper points for endodontic therapy

Author

J. Witherley, L. Rawle, and D. Adams

Subjects
Paper, Endodontic therapy, Microbiological culture, Bacteria, business.industry, Chemistry, Dentistry, Root Canal Therapy, Microbiology, Anti-Infective Agents, Local, business, Subgingival plaque, Antibacterial activity, General Dentistry
Abstract

Summary. Endodontic paper points were tested for antibacterial activity after the accidental finding: that bacterial cultures were inhibited by one variety. Of five types tested, two, from the same supplier, were found to exhibit diffusible antibacterial activity against salivary and subgingival plaque micro-organisms. The identity of the agent responsible for this activity has not been determined, but preliminary tests indicate that it is an aldehyde.

Published
1985

3. Determination of formaldehyde in endodontic paper points

Author

I. Eystein Ruyter, E. Odden, and Bengt Möller

Subjects
Paper, chemistry.chemical_compound, Materials science, chemistry, business.industry, Formaldehyde, Organic chemistry, Dentistry, business, General Dentistry, Root Canal Therapy
Abstract

Summary. The formaldehyde content in four brands of endodontic paper points was determined with an improved 2,4-dinitrophenylhydrazine (DNPH) method. One brand, earlier shown to exhibit cytotoxic as well as haemolytic activity, contained significantly more formaldehyde than the others.

Published
1986

4. Radiological assessment of periapical status using the periapical index: comparison of periapical radiography and digital panoramic radiography.

Author

Ridao-Sacie C, Segura-Egea JJ, Fernández-Palacín A, Bullón-Fernández P, and Ríos-Santos JV

Subjects
Adult, Aged, Data Display, Female, Humans, Male, Maxilla diagnostic imaging, Middle Aged, Molar diagnostic imaging, Molar, Third diagnostic imaging, Paper, Periapical Diseases classification, Periodontal Index, Radiography, Bitewing, Periapical Diseases diagnostic imaging, Radiography, Dental, Digital, Radiography, Panoramic
Abstract

Aim: To compare the use of periapical radiographs and digital panoramic images displayed on monitor and glossy paper in the assessment of the periapical status of the teeth using the periapical index (PAI)., Methodology: A total of 86 subjects were examined. All participants underwent a full-mouth radiographic survey (14 periapical radiographs) and a panoramic radiography. The periapical status, using the PAI score, of all appraised teeth was assessed., Results: Periapical radiographs allowed the assessment of the periapical status of 87% of teeth using the PAI. On the contrary, digital radiography had a significantly reduced potential to allow assessment of the periapical status (P<0.01). Only 57.6% and 34.1% of teeth could be appraised using digital panoramic images displayed on monitor and glossy paper respectively (P<0.01). The total percentage of teeth with periapical pathosis was five fold higher when assessed with digital panoramic images displayed on glossy paper compared with periapical radiographs (P<0.01)., Conclusions: Teeth were best viewed on periapical radiographs except maxillary second and third molars, which were better viewed in orthopantomograms. Orthopantomograms on screen were scorable more often than when on printed images. Apical periodontitis was scored more often on paper than on screen, and more often on screen than in periapical radiographs.

Published
2007
Full Text
View/download PDF

5. Biological evaluation of absorbent paper points

Author

Arne Hensten-Pettersen and Bengt Möller

Subjects
Paper, Materials science, Chromatography, Biocompatibility, Biocompatible Materials, Haemolysis, Biocompatible material, Microbiology, Root Canal Therapy, Tissue culture, chemistry.chemical_compound, chemistry, Agarose, Cytotoxicity, General Dentistry, Biological evaluation
Abstract

Summary. The biocompatibility of absorbent paper points was evaluated by a haemolysis test and a tissue culture agarose overlay test. One type of paper points produced marked haemolytic activity and a cytotoxic response in the overlay test. The other types tested showed minimal haemolytic activity and no cytotoxicity. Chemical analysis of the cytotoxic paper points revealed that they contained formaldehyde.

Published
1985