Efficacy of Laser Doppler Flowmetry as a Diagnostic Tool in Assessing Revascularization of Traumatised Teeth

Inclusion Criteria: 1. Fit and healthy subjects aged \< 18-year-old; 2. Subjects with maxillary permanent incisor subjected to a traumatic injury without any dentoalveolar trauma involvement and have a contralateral homologous tooth with no signs/symptoms of injury; 3. Subjects attended their first dental visit within 3 days of the dental trauma; 4. Sensitivity value of the electric pulp test over 200 μA; 5. Subjects with at least one vital and non-traumatised maxillary incisor acting as a control tooth; 6. Ability to obtain a verbal acceptance from all the subjects to comply with all the treatments and follow-up timepoints attendance; 7. Ability to obtain written informed consent by the patients' parents/guardians for treatment, participation in the study and publication Exclusion Criteria: 1. Subjects who were undergoing therapy for neurological conditions or with mental or cognitive problems; 2. Subjects who were taking sedative, analgesic, and/or anti-inflammatory medication 7 days prior to the treatment commencement; 3. Subjects who have never had any first dental visit or treatment; 4. Subjects with systemic diseases or physiological development delay; 5. Subjects with active infectious diseases such as; influenza, scarlet fever, etc. 6. Subjects with restorations covered more than half the labial surface of the investigated teeth.