Novel Treatment for Dental Ankylosis

NCT ID: NCT05695105

Last Updated: 2026-01-15

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

5 participants

Study Classification

INTERVENTIONAL

Study Start Date

2023-07-10

Study Completion Date

2025-12-16

Brief Summary

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The study is to determine whether one (or two) new method(s) will help treat dental ankylosis. This study tackles the challenging tooth-bone fusion disorder of ankylosis. In growing patients, ankylosis causes significant developmental bone defects due to its inhibition of the vertical growth of the affected alveolar bone area.

Detailed Description

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Currently, there is no treatment available to reverse ankylosis' pathology and therefore it often leads to extraction of the tooth in young patients to prevent more serious pathological complications. In this study, the investigators will use toothbrush-generated vibration and mini-implant-assisted heavy force delivery approaches to treating ankylosis in deciduous and permanent teeth. If successful, the techniques will completely restore the full eruption capacity of an ankylosed tooth by reversing its pathological development. The purpose of the research is to investigate whether a new treatment approach provides an effective noninvasive or minimally invasive treatment for dental ankylosis.

Study participants will be asked to use an electric toothbrush handle to vibrate the ankylosed tooth for 15-60 seconds every day for five days and have a few follow-up visits to the clinic. If the ankylosed tooth is a permanent tooth and the electric toothbrush vibration approach does not work, the participants will be asked to have a six-week period of orthodontic treatment for the tooth with the placement of a mini-implant near the tooth and then have monthly follow-up visits for up to five months.

Conditions

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Dental Ankylosis

Study Design

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Allocation Method

NON_RANDOMIZED

Intervention Model

SEQUENTIAL

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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Vibration Group

For primary and permanent teeth that will receive only toothbrush vibration treatment.

Group Type EXPERIMENTAL

Electric Toothbrush-Generated Vibration

Intervention Type DEVICE

Testing electric toothbrush handle-generated vibration to treat ankylosis of teeth

Vibration and Mini-implant Group

For permanent teeth that will receive mini-implant treatment followed by failed toothbrush vibration treatment.

Group Type EXPERIMENTAL

Electric Toothbrush-Generated Vibration

Intervention Type DEVICE

Testing electric toothbrush handle-generated vibration to treat ankylosis of teeth

Mini-Implant-Assisted Orthodontic Treatment

Intervention Type DEVICE

Testing mini-implant-assisted heavy force application to treat ankylosis of teeth

Interventions

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Electric Toothbrush-Generated Vibration

Testing electric toothbrush handle-generated vibration to treat ankylosis of teeth

Intervention Type DEVICE

Mini-Implant-Assisted Orthodontic Treatment

Testing mini-implant-assisted heavy force application to treat ankylosis of teeth

Intervention Type DEVICE

Eligibility Criteria

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Inclusion Criteria

* Full informed consent and/or informed assent (minors)
* Be willing and able to comply with all study requirements
* Male or female
* Aged 6-30
* Clinically diagnosed to have either an ankylosed deciduous tooth or a non-third molar mildly- to moderately- ankylosed permanent tooth, and with crown partially visible in the oral cavity. Clinical diagnosis of ankylosis includes the following factors: dental trauma history, infra-eruption with no apparent mechanical obstruction or other cause, contralateral tooth in occlusal contact for over one year, decreased alveolar bone height, no or reduced tooth mobility, and x-ray or cone-beam computer tomography (CBCT) imaging indications of an obliterated PDL space. Ultimately, the diagnosis will be confirmed by lack of tooth movement discovered during orthodontic treatment or when subjected to a heavy force through our study (Phelan M K, et al. 1990).
* English speaking (primary language or fluent)

Exclusion Criteria

* Severe and extensive ankylosis of permanent teeth as diagnosed through CBCT
* Primary failure of eruption with previous orthodontic treatment
* Any systemic disorders particularly those affecting bleeding or skeletal health
* Any systemic medications
* Any mental or developmental disorders that affect patient understanding or compliance
* Allergic to our local anesthetic drug
* Can pass an infectious disease to someone else right now (e.g., having a flu)
* Is pregnant
* Has a history of smoking
* Have not reached the age of 6 or older than age of 30
* Not cooperative enough during dental examinations
* The dentist finds out that he/she is not able to keep the mini-implant, the brackets and the wires in place around the tooth that is being treated
* Not fluent in English
Minimum Eligible Age

6 Years

Maximum Eligible Age

30 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Rutgers, The State University of New Jersey

OTHER

Sponsor Role lead

Responsible Party

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Wei Huang, DMD, PhD, MSD

Assistant Professor

Responsibility Role PRINCIPAL_INVESTIGATOR

Principal Investigators

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Wei Huang, DDS, PhD

Role: PRINCIPAL_INVESTIGATOR

Rutgers School of Dental Medicine

Locations

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Rutgers School of Dental Medicine

Newark, New Jersey, United States

Site Status

Countries

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United States

References

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Andersson L, Malmgren B. The problem of dentoalveolar ankylosis and subsequent replacement resorption in the growing patient. Aust Endod J. 1999 Aug;25(2):57-61. doi: 10.1111/j.1747-4477.1999.tb00088.x.

Reference Type BACKGROUND
PMID: 11411080 (View on PubMed)

Mueller CT, Gellin ME, Kaplan AL, Bohannan HM. Prevalence of ankylosis of primary molars in different regions of the United States. ASDC J Dent Child. 1983 May-Jun;50(3):213-8. No abstract available.

Reference Type BACKGROUND
PMID: 6575989 (View on PubMed)

Andersson L, Blomlof L, Lindskog S, Feiglin B, Hammarstrom L. Tooth ankylosis. Clinical, radiographic and histological assessments. Int J Oral Surg. 1984 Oct;13(5):423-31. doi: 10.1016/s0300-9785(84)80069-1.

Reference Type BACKGROUND
PMID: 6438004 (View on PubMed)

Oh NY, Nam SH, Lee JS, Kim HJ. Delayed Spontaneous Eruption of Severely Infraoccluded Primary Second Molar: Two Case Reports. J Clin Pediatr Dent. 2020;44(3):185-189. doi: 10.17796/1053-4625-44.3.9.

Reference Type BACKGROUND
PMID: 32644898 (View on PubMed)

de Souza RF, Travess H, Newton T, Marchesan MA. Interventions for treating traumatised ankylosed permanent front teeth. Cochrane Database Syst Rev. 2015 Dec 16;2015(12):CD007820. doi: 10.1002/14651858.CD007820.pub3.

Reference Type BACKGROUND
PMID: 26677103 (View on PubMed)

Tieu LD, Walker SL, Major MP, Flores-Mir C. Management of ankylosed primary molars with premolar successors: a systematic review. J Am Dent Assoc. 2013 Jun;144(6):602-11. doi: 10.14219/jada.archive.2013.0171.

Reference Type BACKGROUND
PMID: 23729457 (View on PubMed)

Djemal S, Karki T, Mack G. Challenges in treating traumatically intruded and ankylosed permanent incisors: a case report with a multidisciplinary approach. Dent Update. 2015 Jan-Feb;42(1):44-6, 49-50. doi: 10.12968/denu.2015.42.1.44.

Reference Type BACKGROUND
PMID: 26062278 (View on PubMed)

Mistry VN, Barker CS, James Spencer R. The first permanent molar: spontaneous eruption after a five-year failure. Int J Paediatr Dent. 2017 Sep;27(5):428-433. doi: 10.1111/ipd.12293. Epub 2017 Mar 1.

Reference Type BACKGROUND
PMID: 28247574 (View on PubMed)

Other Identifiers

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Pro2020003227

Identifier Type: -

Identifier Source: org_study_id

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