Extraction and implant restoration of an inverted impacted anterior tooth with severe crown-root dilaceration: a 4-year follow-up case report.

Wenting Jiang, Jun Li, Changfu Xie, Mingdong Yan

Abstract readCase Reports

In one paragraph

Article in BMC oral health, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

0numbers the graph read from it

0cells of the map it votes in

0citing 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

0 citing papers in PubMed.

No citing paper in PubMed yet.

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

4 authors.

Wenting JiangDepartment of Oral Implantology, School and Hospital of Stomatology, Fujian Key Laboratory of Oral Diseases & Fujian Provincial Engineering Research Center of Oral Biomaterial & Stomatological Key Lab of Fujian College and University, Fujian Medical University, NO.246 Yangqiao Road, Gulou District, Fuzhou, 350002, China.

Jun LiDepartment of Oral Implantology, School and Hospital of Stomatology, Fujian Key Laboratory of Oral Diseases & Fujian Provincial Engineering Research Center of Oral Biomaterial & Stomatological Key Lab of Fujian College and University, Fujian Medical University, NO.246 Yangqiao Road, Gulou District, Fuzhou, 350002, China.

Changfu XieDepartment of Oral Implantology, School and Hospital of Stomatology, Fujian Key Laboratory of Oral Diseases & Fujian Provincial Engineering Research Center of Oral Biomaterial & Stomatological Key Lab of Fujian College and University, Fujian Medical University, NO.246 Yangqiao Road, Gulou District, Fuzhou, 350002, China.

Mingdong YanDepartment of Oral Implantology, School and Hospital of Stomatology, Fujian Key Laboratory of Oral Diseases & Fujian Provincial Engineering Research Center of Oral Biomaterial & Stomatological Key Lab of Fujian College and University, Fujian Medical University, NO.246 Yangqiao Road, Gulou District, Fuzhou, 350002, China. ymingdong@fjmu.edu.cn.

Funding

the Fujian Provincial Health Technology Project 2024GGA069

6 · The paper itself

Abstract

backgroundInverted impaction of anterior teeth with crown-root dilaceration is a rare and clinically challenging developmental anomaly. When orthodontic traction or autotransplantation fails to achieve satisfactory outcomes, extraction followed by implant restoration becomes the preferred treatment option. This approach, however, involves multiple challenges, including the extraction of the inverted impacted tooth, bone defect repair, and aesthetic reconstruction of the anterior dentition. CASE PRESENTATION: This single-case report details the treatment process of a 17-year-old patient with a severely dilacerated (approximately 90° crown-root angulation) and inverted impacted maxillary central incisor. The treatment involved extraction, alveolar ridge preservation using a tenting technique to address substantial labial bone deficiency, delayed implant placement, and prosthetic rehabilitation, with a 4-year follow-up. Although a complication related to tenting screw exposure occurred, it was successfully managed, yielding satisfactory functional and aesthetic outcomes.

conclusionsThis 4-year follow-up case demonstrates that alveolar ridge preservation utilizing the tenting technique represents a viable strategy for managing severely dilacerated and impacted anterior teeth. The case highlights the value of multidisciplinary planning, staged bone augmentation, and prosthetically guided soft tissue conditioning in achieving long-term functional and aesthetic success.

Indexed as

Dental Implantation, EndosseousIncisorTooth CrownTooth ExtractionTooth, ImpactedTooth RootAdolescentFollow-Up StudiesHumansAlveolar ridge preservationAnterior implant restorationDelayed implantationDilacerationTenting technique

Identifiers

PMID41703527

DOI10.1186/s12903-026-07834-5

PMCPMC13014936

What OpenQuestion holds

Textmetadata

LicenceCC BY

Read underepoch 390

Registered trials

None linked

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.