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Case Report
- Treatment of a lateral incisor anatomically complicated with palatogingival groove
- Moon-Sun Choi, Se-Hee Park, Kyung-Mo Cho, Jin-Woo Kim
- J Korean Acad Conserv Dent 2011;36(3):238-242. Published online May 31, 2011
- DOI: https://doi.org/10.5395/JKACD.2011.36.3.238
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Abstract
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ePub Objectives Palatogingival groove is a developmental anomaly that starts near the cingulum of the tooth and runs down the cementoenamel junction in apical direction, terminating at various depths along the roots. While frequently associated with periodontal pockets and bone loss, pulpal necrosis of these teeth may precipitate a combined endodontic-periodontal lesion. This case presents a case of a lateral incisor anatomically complicated with palatogingival groove.
Methods Two patients with lesion associated with the palatogingival groove were chosen for this report. Palatogingival grooves were treated with different restoration materials with endodontic treatment.
Conclusions Maxillary lateral incisor with a palatogingival groove may occur the periodontal disease with pulpal involvement. Elimination of groove may facilitate the periodontal re-attachment and prevent the recurrence.
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Basic Research
- The comparison of different canal irrigation methods to prevent reaction precipitate between sodium hypochlorite and chlorhexidine
- Moon-Sun Choi, Se-Hee Park, Kyung-Mo Cho, Jin-Woo Kim
- J Korean Acad Conserv Dent 2010;35(2):80-87. Published online March 31, 2010
- DOI: https://doi.org/10.5395/JKACD.2010.35.2.080
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Abstract
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The purpose of this study was to compare the different canal irrigation methods to prevent the formation of precipitate between sodium hypochlorite (NaOCl) and chlorhexidine (CHX).
Extracted 50 human single-rooted teeth were used. The root canals were instrumented using NiTi rotary file (Profile .04/#40) with 2.5% NaOCl and 17% EDTA as irrigants. Teeth were randomly divided into four experimental groups and one control group as follows; Control group: 2.5% NaOCl only, Group 1: 2.5% NaOCl + 2% CHX, Group 2: 2.5% NaOCl + paper points + 2% CHX, Group 3: 2.5% NaOCl + preparation with one large sized-file + 2% CHX, Group 4: 2.5% NaOCl +95% alcohol+ 2% CHX.
The teeth were split in bucco-lingual aspect and the specimens were observed using Field Emission Scanning Electron Microscope. The percentages of remaining debris and patent dentinal tubules were determined. Statistical analysis was performed with one-way analysis of variance (ANOVA). Energy Dispersive x-ray Spectroscopy was used for analyzing the occluded materials in dentinal tubule for elementary analysis.
There were no significant differences in percentage of remaining debris and patent tubules between all experimental groups at all levels (p > .05).
In elementary analysis, the most occluded materials in dentinal tubule were dentin debris. NaOCl/CHX precipitate was detected in one tooth specimen of Group 1.
In conclusion, there were no significant precipitate on root canal, but suspected material was detected on Group 1. The irrigation system used in this study could be prevent the precipitate formation.
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