Evidence map›Paper›PMID 41376833›Full record

ArticleClinical case reports2025

Retreatment of Mandibular Incisors Associated With Root Canal Variations and Periapical Cyst: A Case Report With 3-Year Follow-Up.

Kai Chen, Ni Li

Abstract read
In one paragraph

Article in Clinical case reports, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

0numbers the graph read from it
0cells of the map it votes in
1citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

1 citing paper in PubMed.

  1. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

2 authors.

Kai ChenDepartment of Stomatology, Shanghai Tenth People's Hospital Tongji University School of Medicine Shanghai China.
Ni LiShanghai University of Medicine and Health Sciences Affiliated Zhoupu Hospital Shanghai China.ORCID https://orcid.org/0009-0005-0526-0674

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Mandibular incisors have been found to have a complex anatomy of the root canal system. Missed root canals are the most likely cause of treatment failure, and the persistent intra-radicular infections can lead to periapical lesions and toothlessness. This article reports a rare case of the mandibular incisors with two root canals complicated by periapical cysts after root canal treatment. Radiological evidence showed that the lingual root canal was inadequately treated. Root canal retreatment and endodontic microsurgery were performed to eliminate the inflammation. After a 6-month follow-up, new bone formation and mandibular incisors were completely asymptomatic. Finally, ceramic crown restoration was performed. Two root canals with Vertucci Type IV morphology were identified in the mandibular incisors. Variations in the incisor root canal can be effectively detected using CBCT and endodontic microscopy. Systematic management, including reintervention of the missed root canal and microsurgery, can achieve healing of extensive periapical cysts.

Indexed as

CBCTendodonticsincisormicroscopymicrosurgeryperiapical cystrestorationroot canal retreatmentroot canal variations

Identifiers

PMID41376833
PMCPMC12685606

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.