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  • 1
    Electronic Resource
    Electronic Resource
    Comparison of using calcium hydroxide or a dentine primer for reducing dentinal pain following crown preparation: a randomized clinical trial with an observation time up to 30 months (2004)
    Oxford, UK : Blackwell Science Ltd
    Journal of oral rehabilitation 31 (2004), S. 0 
    Details
    ISSN: 1365-2842
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: summary  The purpose of this study was to evaluate effect of a calcium hydroxide suspension [Ca(OH)2] or glutaraldehyde based dentine primer (GDP) to reduce tooth sensitivity after full crown preparation. Thirty-six patients were treated with Ca(OH)2 on one tooth and with GDP on another. Patients completed a questionnaire regarding sensitivity during crown preparation, when the not-anaesthetized abutments were irritated [cotton pellet (20 °C)]. The teeth were tested before (T0) and after using the desensitizer (T1), again after 7 days (T2), 6 months (T3) and 30 months (T4). The results were registered on a visual analogue scale [0 (no pain)–100 (severe pain)]. The changes of tooth sensitivity between different testing times were analysed. The median and the (interquartile range) for the different time intervals for Ca(OH)2 were ΔT0–T1: 5 (6–17), ΔT0–T2: 17 (14–32), and for GDP, ΔT0–T1: 9 (7–18) ΔT0–T2: 18 (16–33), the decreases in sensitivity were lower for ΔT0–T1 than for ΔT0–T2 for both desensitizers (P 〈 0·001). There was no statistical difference (P 〉 0·05) between the agents (ΔT0–T1, ΔT0–T2, ΔT3–T4). Both substances might be useful in reducing tooth sensitivity after crown preparation, but no differences in the efficacy were found when comparing the materials.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1365-2842.2003.01238.x
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Effects of prosthetic treatment for shortened dental arches on oral health-related quality of life, self-reports of pain and jaw disability: results from the pilot-phase of a randomized multicentre trial (2005)
    Oxford, UK : Blackwell Science Ltd
    Journal of oral rehabilitation 32 (2005), S. 0 
    Details
    ISSN: 1365-2842
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: abstract  A multi-centre randomized clinical trial is under way at 14 university dental schools in Germany to compare prosthodontic treatments for the shortened dental arch (SDA). One of the aims of this pilot-study was to measure the effect of two treatment options of the SDA on oral health-related quality of life and on the Research Diagnostic Criteria (RDC) for temporomandibular disorders (TMD). Thirty-four patients participated in the pilot-study. Inclusion criteria were: all molars were missing and the presence of at least both canines and one premolar in each quadrant. Participants were randomly assigned to receive either removable partial dentures including molar replacement (RPD_group) or retain a premolar occlusion (PROC_group). The Oral Health Impact Profile (OHIP-49) and the RDC for TMD were completed by participants before treatment (pre-treatment), 6 weeks (6wks), 6 months (6m) and 12 months (12m) after treatment. At the 12-month follow up, data of 10 women and 11 men (mean age: 62 ± 10 years) were available. Medians of the OHIP total-scores were as follows: RPD (n = 10), 43·5 (pre-treatment), 18·2 (6wks), 13·3 (6m), 14·7 (12m). PROC (n = 11): 31·8 (pre-treatment), 27·1 (6wks), 8·8 (6m), 8·3 (12m). Significant differences were shown for RPD_group between pre-treatment and 6m/12m and for PROC_group between pre-treatment and 6m. There were no significant differences between treatment groups at any time. Within each group, an improvement of life-quality was observed. No significant difference could be reported between the two therapy concepts. This may be due to the low sample size within the pilot study.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2842.2005.01522.x
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Crown retention with use of different sealing systems on prepared dentine (2003)
    Oxford, UK : Blackwell Science Ltd
    Journal of oral rehabilitation 30 (2003), S. 0 
    Details
    ISSN: 1365-2842
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: summary  The purpose of this in vitro study was to evaluate crown retention after using different sealing systems on prepared dentine. Ca(OH)2 suspension was used in comparison with three adhesive bonding systems (Gluma Desensitizer, Optibond FL, Prompt L-Pop). Extracted human premolars were uniformly prepared with the use of a special parallelometer (11° taper, 4 mm axial length). Groups of 20 teeth each were treated with each sealing system. Then crowns were fabricated and temporarily cemented twice. Finally the abutments were cleaned and the crowns were cemented with a glass–ionomer cement Ketac-Cem. Subgroups of 10 crowns were removed with a universal testing machine following storage in distilled water either for 3 days or for 150 days. Prior to dislodging, the crowns of both groups were subjected to chewing simulation. The mean dislodgement stresses in MPa were between 4ḃ9 and 6ḃ9. A range test of Student–Newmann–Keuls revealed significant differences between Ca(OH)2 and Optibond FL (P 〈 0ḃ05), while the storage time had no significant effect. The level of microleakage increased significantly with storage time (P 〈 0ḃ05). It is concluded, that the use of Gluma Desensitizer and Prompt L-Pop did not affect crown retention as compared with Ca(OH)2, thus may be used in combination with glass–ionomer cement to desensitize prepared teeth.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1365-2842.2003.01180.x
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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