Research & Evidence

baby relaxed on therapist's lap sleeping on their belly and therapist is using LLLT or PBM on back of neck to help reduce tension

Our commitment to evidence-informed, individualized pediatric care

At B.well tots, we believe families deserve to understand the “why” behind what we do.

Our approach integrates:

  • Current research

  • Clinical expertise

  • Ongoing professional training

  • Your child’s unique needs and responses

Below is a curated research bank organized by modality.

Low-Level Laser Therapy (LLLT) / Photobiomodulation for Infants & Children

Low-Level Laser Therapy (LLLT), also known as photobiomodulation (PBM), has been investigated in various studies for its potential therapeutic effects in children.

It is a gentle, non-invasive therapy that uses low-intensity light to stimulate healing and improve cellular function.

Research shows that LLLT may help with:

  • Infant frenectomy (tongue-tie release) – reducing pain, swelling, and improving feeding outcomes

  • Speech and feeding – supporting swallowing, voice, and oral motor recovery

  • Neurodevelopment – enhancing emotional regulation, sleep, attention, and learning

  • Motor coordination and control – reducing spasticity, supporting muscle recovery, and improving motor function

  • Pain and inflammation – aiding recovery in oral, dental, and musculoskeletal conditions

Below is a comprehensive list of studies examining LLLT across pediatric populations, along with summaries and links for deeper reading.

Infant Frenectomy (Tongue-Tie Release) Research

LLLT is increasingly applied before and after frenectomy to support comfort, healing, and oral function.

  • LLLT in Pediatric Oral Surgeries
    Reduces postoperative pain, swelling, and speeds up oral wound healing.
    👉 PubMed

  • Photobiomodulation for Oral Wound Healing
    World Association for Photobiomodulation Therapy (WALT) guidelines support PBM for pediatric oral wound care and pain relief.
    👉 WALT Guidelines

  • Infant Frenectomy Case Reports
    Reports show improved breastfeeding outcomes (better latch, less nipple pain) and faster recovery when PBM is used post-frenectomy.
    👉 PubMed Case Summary

  • PBM in Oral Mucositis (Children with Cancer)
    Demonstrates PBM’s ability to reduce oral pain and inflammation and promote mucosal healing—mechanisms directly applicable to frenectomy.
    👉 Archives of Disease in Childhood

  • LLLT for Pre-Anesthetic Tissue Management
    PBM reduces tissue pain/tension in children before injections, suggesting benefit for pre-frenectomy preparation.
    👉 BMC Oral Health

  • PBM in Feeding & Speech Rehabilitation
    Studies in dysphagia and speech therapy show PBM supports swallowing, oral motor recovery, and functional feeding skills.
    👉 SpringerLink – Dysphagia Study

Emotional Regulation, Sleep & Neurodevelopment

Research suggests that PBM may play a role in brain function and emotional well-being in children.

  • Transcranial PBM in Autism (Ages 2–6)
    Randomized sham-controlled trial showed improvements in emotional regulation, attention, and behavioral symptoms.
    👉 Frontiers

  • PBM in Autism Spectrum Disorder
    Studies report reduced irritability, emotional dysregulation, and behavioral challenges in children with ASD.
    👉 ResearchGate

  • Neuroplasticity & Cognitive Recovery
    PBM enhances neuroplasticity, supporting recovery of speech, language, and cognitive functions in neurological conditions.
    👉 PubMed

  • Sleep & Regulation
    LLLT was used to reduce inflammation of tonsils to increase airway capacity and allow for improved sleep quality and decreased sleep disordered breathing with good success.

    👉 Pediatric Medicine

Motor Coordination & Control

LLLT has been studied for its effects on spasticity, strength, and muscle recovery in children.

  • Impact on Spasticity in Cerebral Palsy
    Systematic review shows LLLT may reduce spasticity and improve motor outcomes.
    👉 MDPI

  • LLLT in Cerebral Palsy (Motor Function)
    Combined with functional training, LLLT improved gross motor outcomes in children.
    👉 Neuro Acupuncture

  • PBM + Physiotherapy in Myelomeningocele
    Clinical trial showed improved functional performance and motor skills.
    👉 MDPI

  • Effect on Quadriceps and Foot Muscles
    LLLT reduced muscle fatigue, improved strength, and supported exercise recovery in children.
    👉 PubMed Central

Additional Pediatric Research

  • Children with Energy-Protein Malnutrition (1–5 yrs)
    LLLT improved salivary biomarkers in malnourished children.
    👉 PubMed

  • LLLT in Cancer Therapy-Induced Oral Mucositis
    Systematic review/meta-analysis confirmed LLLT reduces severity and pain.
    👉 PubMed

  • LLLT for Oral Mucositis in Cancer Patients
    Demonstrated significant pain relief and faster recovery.
    👉 SpringerLink

  • Effect on Condylar Growth (Mandibular Deficiency)
    Enhanced condylar growth when paired with functional appliances.
    👉 SpringerLink

  • Orthokeratology & LLLT for Myopia
    Both treatments slowed myopia progression.
    👉 Wiley Online Library

  • PBM in Chemotherapy-Induced Oral Mucositis (AML)
    Reduced incidence/severity of mucositis in pediatric leukemia patients.
    👉 PubMed

  • PBM Retarding Axial Length Growth in Myopia
    PBM slightly slowed axial length growth in myopic children.
    👉 Nature

  • PBM for Injection Pain in Children
    Reduced pain perception during injections.
    👉 BMC

  • Curcumin vs PBM in Oral Mucositis
    Both improved outcomes in cancer-related mucositis management.
    👉 SpringerLink

Speech Therapy Applications of LLLT

LLLT is increasingly relevant to speech-language pathology (SLP).

  • Voice Disorders – Reduced inflammation, improved voice quality.
    👉 PubMed

  • Aphasia Recovery – PBM promotes neuroplasticity and aids language recovery.
    👉 PubMed

  • TMJ Disorders – Reduced pain, inflammation, improved function.
    👉 PubMed

  • Clinical Overview in SLP – Safe integration into therapy for voice, dysphagia, and aphasia.
    👉 PubMed

  • Swallowing Rehab – Reduced pain and inflammation in swallowing muscles.
    👉 PubMed

  • Inflammatory Cytokines & TMJ Pain – LLLT lowered cytokines and pain.
    👉 PubMed

  • Neurological Speech Disorders – Improved motor control in dysarthria and apraxia.
    👉 PMC

Key Takeaways

LLLT/Photobiomodulation is a safe, evidence-backed therapy with wide applications in pediatric care:

📳 Vibration Therapy

Evidence Level: Moderate + Emerging (Condition-Specific)

Vibration-based interventions show promising results, especially in motor function and regulation.

Key Research:

⚖️ Weighted Materials & Deep Pressure

Evidence Level: Mixed / Individualized Response

Deep pressure is widely used clinically, though research shows variable outcomes.

Key Research:

🌀 Sensory Integration & Sensory-Based Interventions

Evidence Level: Moderate to Strong (Varies by Approach)

Ayres Sensory Integration® has stronger evidence, while general sensory-based tools show more variability.

Key Research:

🧠 Reflex Integration / Primitive Reflex Development

Evidence Level: Emerging + Mixed

Primitive reflexes are automatic movement patterns present in infancy that support early development. As the nervous system matures, these reflexes are expected to integrate, allowing for more voluntary, coordinated movement.

In some children, reflexes may remain active beyond typical developmental timelines. Research suggests this can be associated with differences in:

  • Motor coordination

  • Balance and posture

  • Sensory processing

  • Attention and regulation

  • Feeding and oral function

What the Research Shows

Current research supports a relationship between retained reflexes and functional challenges, particularly in motor and sensory domains. Some studies also suggest links to attention and learning differences.

There is early but growing research exploring intervention approaches, including movement-based and exercise programs that may help reduce retained reflex patterns and support functional outcomes.

At this time:

  • Evidence for associations is stronger than evidence for specific reflex integration protocols

  • Intervention research is promising but still developing

  • Outcomes are often best when reflex-based work is part of a broader, individualized therapy approach

Key Research

How We Use This in Therapy

At B.well tots, reflex-based work is:

  • Integrated into functional therapy, not used in isolation

  • Movement-based and play-based, aligned with development

  • Responsive to your child’s cues and tolerance

We do not follow rigid protocols. Instead, we focus on:

  • Supporting nervous system organization

  • Improving functional movement and coordination

  • Enhancing regulation and participation in daily activities

Our Approach to Evidence

We believe in being transparent and thoughtful about emerging areas of care.

For reflex integration, this means:

  • Using current research to guide—not dictate—practice

  • Combining evidence with clinical expertise

  • Prioritizing what is meaningful and effective for your child

What This Means for Your Child

Reflex-based strategies may be used to support:

  • Coordination and motor planning

  • Postural control

  • Regulation and attention

  • Feeding and oral-motor function

These strategies are always:
✔ Individualized
✔ Optional
✔ Part of a comprehensive plan of care

Our Philosophy on Evidence

Not all therapies fit neatly into “proven” or “not proven.”

At B.well tots, we practice:

  • Evidence-informed care (not trend-based)

  • Clinical reasoning + ongoing education

  • Child-led, response-driven treatment

Some interventions are:
✔ Strongly supported
✔ Emerging with promising evidence
✔ Best used as part of a comprehensive, individualized plan

Remember, it takes on average SEVENTEEN YEARS for research to be implemented into practice.

Questions? We’re Here.

We welcome questions about:

  • Why a modality is being used

  • What the research says

  • Alternatives or modifications

👉 Have more questions? Let us know!
👉 Or ask your provider anytime during your session!

The information above reflects current published research and clinical findings. While evidence is strong in many medical applications, pediatric research is still evolving. All treatment decisions should be made in collaboration with qualified healthcare professionals and tailored to each individual child.