Design, implementation and evaluation the affect of a nutritional program related to oral health on the one-year incidence of tooth decay in students with autism spectrum disorders

Design, implementation and evaluation the affect of a nutritional program related to oral health on the one-year incidence of tooth decay in students with autism spectrum disorders in the elementary school of autism schools

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

IRCT

Registry ID

IRCT20250412065297N1

Enrollment

147

Registered

2025-12-20

Start date

2026-03-11

Completion date

Unknown

Last updated

2026-02-02

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

Conditions

dental caries,autism. Dental caries

Interventions

Intervention 1: Intervention group:The intervention group consists of elementary school students with autism who attend schools selected as case schools. Dietary recommendations related to oral health

however, oral health education brochures are provided to them. No reminder sessions are conducted, and dental caries are assessed only at six months and one year after the baseline assessment.

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Parental consent for their child’s participation in the research study Mild to moderate level of autism (ASD levels 1 and 2) Educational level: First to sixth grade of elementary school Parents’ access to at least one social media platform

Exclusion criteria

Exclusion criteria: Lack of parental consent and the child’s non-cooperation The child has other disabilities severe level of autism (ASD 3)

Design outcomes

Primary

Measure	Time frame
One-year incidence of dental caries in students with autism spectrum disorder. Timepoint: Dental caries at baseline, 6 and 12 months after the start of the intervention. Method of measurement: Caries scoreCaries are scored using the DMFS (D1-3) score as follows (33):D1 (initial caries)Initial changes that are only seen in the enamel. These changes usually appear as white or brown spots and there are no cavities. This stage is reversible with good oral hygiene and fluoride use(Dentine Caries) D3 The decay has reached the dentin of the tooth. The cavities are clearly visible and the person may experience pain or sensitivity when chewing or eating hot or cold foods. (Treatment at this stage usually requires more extensive restorations (including fillings with stronger materials or the use of crowns) Advanced decay (decay) Decay has penetrated the pulp of the tooth and may cause infection or abscess, severe pain, and inflammation of the gums . Treatment includes root canal therapy (root canal treatment) or, in severe cases, tooth extraction.M in this index represents the number of missing surfaces and F represents the number of filled surfaces.DMFS surfaces considering the examination of 28 teeth will be as follows:16 posterior teeth 80 = 16 × 5 12 anterior teeth 48 = 12 × 4 Total surfaces = 128.	—

Measure

Time frame

One-year incidence of dental caries in students with autism spectrum disorder. Timepoint: Dental caries at baseline, 6 and 12 months after the start of the intervention. Method of measurement: Caries scoreCaries are scored using the DMFS (D1-3) score as follows (33):D1 (initial caries)Initial changes that are only seen in the enamel. These changes usually appear as white or brown spots and there are no cavities. This stage is reversible with good oral hygiene and fluoride use(Dentine Caries) D3 The decay has reached the dentin of the tooth. The cavities are clearly visible and the person may experience pain or sensitivity when chewing or eating hot or cold foods. (Treatment at this stage usually requires more extensive restorations (including fillings with stronger materials or the use of crowns) Advanced decay (decay) Decay has penetrated the pulp of the tooth and may cause infection or abscess, severe pain, and inflammation of the gums . Treatment includes root canal therapy (root canal treatment) or, in severe cases, tooth extraction.M in this index represents the number of missing surfaces and F represents the number of filled surfaces.DMFS surfaces considering the examination of 28 teeth will be as follows:16 posterior teeth 80 = 16 × 5 12 anterior teeth 48 = 12 × 4 Total surfaces = 128.

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Countries

Iran (Islamic Republic of)

Contacts

Public ContactDelara Kakakvand

Tehran University of Medical Sciences

dentistry@tums.ac.ir+98 21 4279 4500

Outcome results

None listed

Source: IRCT (via WHO ICTRP) · Data processed: Feb 7, 2026