# Investigating the Effects of Smartphone Use on the Masseter Muscle

> **NCT06408766** · — · COMPLETED · sponsor: **Bandırma Onyedi Eylül University** · enrollment: 105 (actual)

## Conditions studied

- Smartphone Addiction
- Masseter Muscle Hypertrophy
- Masseter Muscle Spasm

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT06408766
- **Lead sponsor:** Bandırma Onyedi Eylül University
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2024-07-01
- **Primary completion:** 2025-01-01
- **Final completion:** 2025-01-15
- **Target enrollment:** 105 (ACTUAL)
- **Last updated:** 2025-06-06


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT06408766

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT06408766, "Investigating the Effects of Smartphone Use on the Masseter Muscle". Retrieved via AI Analytics 2026-05-27 from https://api.ai-analytics.org/clinical/NCT06408766. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*