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Effectiveness of space maintainer fabricated with digital scanner

Comparison of clinical efficiency and acceptability of space maintainer( band & loop) fabricated with digital scanners and conventional impression

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
IRCT
Registry ID
IRCT20240826062874N1
Enrollment
48
Registered
2025-04-21
Start date
2025-06-05
Completion date
Unknown
Last updated
2025-07-21

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Early loss of primary teeth.

Interventions

Intervention 1: Control Group: In these patients, after conducting the behavior management process for the child (tell-show-do), an appropriate band for the second primary molar is selected. After the

Sponsors

Tehran University of Medical Sciences
Lead Sponsor

Eligibility

Sex/Gender
All
Age
5 Years to 8 Years

Inclusion criteria

Inclusion criteria: Children aged five to eight years old. Children who have had a primary first molar extracted in either jaw for therapeutic reasons and require a space maintainer.

Exclusion criteria

Exclusion criteria: Children whose mouth opens less than 15 mm. Children who have a score of 1 or 2 in the Frankel classification (child behavior assessment index).

Design outcomes

Primary

MeasureTime frame
The level of child acceptance regarding the intraoral scanning process and conventional impression-taking method. Timepoint: Immediately after the conventional impression process or digital scanning. Method of measurement: Based on the patient's rating of the factors "discomfort in breathing", "discomfort in hot and cold", "gag reflex", "pain level", "mouth taste discomfort", and "overall feeling" in the questionnaire designed with the visual analogue scale index modified for children.;The effectiveness of the space maintainer fabricated using intraoral scanning and conventional impression method. Timepoint: After the cementation of the space maintainer and 3 months after that. Method of measurement: Based on the rating of the pediatric dentist for the three main factors affecting the effectiveness of the space maintainer. These three factors are: interference of the space maintainer with occlusion, fit with the edentulous ridge and distal surface of the canine tooth, and the buccolingual width of the loop.

Countries

Iran (Islamic Republic of)

Contacts

Public ContactAli Madadi

Tehran University of Medical Sciences

amadadident80@gmail.com+98 21 7730 2713

Outcome results

None listed

Source: IRCT (via WHO ICTRP) · Data processed: Feb 4, 2026