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Completed

NCT Number: NCT07179146

A Comparison Of Dental Arch Analysis Using 3d Digital Scanning Versus Conventional Methods In Children

A crossover study will be conducted on 20 pediatric patients aged 7-11 years. For each participant, the upper and lower study models will be processed using two methods: the conventional method, which involves alginate impressions, and the digital method, which utilizes a 3D intraoral digital scanner (CEREC Omnicam scanner or equivalent). Measurements of arch length, arch width, and arch depth will be taken from both model types using the conventional method with a brass wire and a digital caliper. At the same time, in the scan cast, they will be calculated digitally by 3D shape software. Statistical analysis will be done to compare the results of both methods.

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Key information

Conditions

Dental Arch Length Analysis

Age range

7 year–11 year

Sex eligibility

All sexes

Study type

Interventional

Phase

Not applicable

Primary location

Pharos University in Alexandria

Alexandria, Egypt

Who can participate

Healthy volunteers accepted: Yes

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Healthy Children aged 7-11 years old (ASA 1).
  • Class I with normal development of occlusion .
  • Absence of dental extractions.
  • Absence of previous removable or fixed orthodontic treatments.
  • Patients with fully erupted permanent first molars.
  • Children with Frankel behavioral rating scale 2,3 and 4.

Exclusion criteria

  • Delayed erupted 1st permanent molar.
  • Teeth with severe rotation.
  • Dental agenesis.
  • Oligodontia.
  • Frankel behavioral rating scale 1.
  • Patients with special health care and medically compromised patients.

Treatment and study plan

Dental arch length anlysis

Device

Arch length

child satisfaction

Behavioral

Frankel rating scale

Dental arch length anaylsis

Device

Intermolar width

Dental arch length analysis

Device

Intercanine width

Dental arch length anylsis

Device

Arch depth

Primary outcomes

  1. Subjective outcome

    Time frame: 2 months

    Patient acceptance will be recorded according to Modified Facial scale modified from the Maunuksela et al scale showing the 3 schematic faces representing: (A) satisfaction; (B) indifference; and (C) dissatisfaction, respectively.

  2. Objective Outcome (Measurement)

    Time frame: 2 months

    arch width (inter canine and intermolar width) measured in mm

  3. Patient acceptance

    Time frame: 2 months

    Frankl's behavior rating scale will be re-evaluated after each method used. Score 1-4. score 1=definitely positive, score 2=positive,score 3=negative,score 4=definitely negative.

  4. Objective Outcome (Measurement)

    Time frame: 2 months

    Arch Length measured in mm

  5. Objective Outcome (Measurement)

    Time frame: 2 months

    Arch depth measured in mm

Sponsors and collaborators

Lead sponsor

Pharos University in Alexandria

Other

Registry information

Official study title

A Comparison Of Dental Arch Analysis Using 3d Digital Scanning Versus Conventional Methods In Children(A Crossover Randomized Controlled Trial)

Acronym: Arch analysis

Important dates

Study start
2025
Primary completion
2025
Study completion
2026
First posted
Sep 17, 2025
Registry last updated
May 12, 2026

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.