Post-exodontic Photobiomodulation with Different Levels of Energy on Alveolar Bone Repair in Rats

Authors

Keywords:

alveolar bone, phototherapy, laser, wound healing.

Abstract

Introduction: The use of photobiostimulation in oral surgery as an accelerator of tissue healing has increased worldwide; however, scientific evidence is insufficient regarding the minimum energy needed to encourage healing of the dental alveolus.

Objective: To determine the effect of photobiomodulation with different energy values on alveolar repair after tooth extraction in albino rats.

Methods: Thirty-six female albino rats were randomly assigned to four groups: three with laser application at 2, 4 and 6 Joules of energy and one without laser application. Gallium-aluminum arsenide infrared lasers at 808 nm and 100 milliwatts were applied pointwise, perpendicularly and uniquely to the tooth socket. The maxillary bone was dissected and the samples were stained with hematoxylin eosin for subsequent analysis by osteoblast cell count at the level of the alveolar middle third. 

Results: Seven days after exposure, osteoblast formation was not observed in the control group, but was observed in the experimental groups with energy levels of 2, 4 and 6 Joules, which showed similar osteoblast cell formation. Only the 4 Joules group showed a greater number of osteoblasts than the control group without irradiation (p = 0.008). At 14 days, osteoblast formation was similar between groups, with no significant differences (p > 0.05).

Conclusions: Photobiomodulation had a positive effect on alveolar bone healing in the different energy parameters evaluated. The use of lower energy is equally beneficial, modulates cellular response, induces osteoblastic proliferation and reduces bone repair time.

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Author Biographies

Marjorie Rocío García Saldaña, Universidad Nacional Federico Villarreal, Facultad de Odontología.

Facultad de Odontología

Claudia Susana Quinte Yarcuri, Universidad Nacional Mayor de San Marcos, Facultad de Odontología, Departamento de Estomatología Rehabilitadora.

Facultad de Odontología, departamento de Estomatología Rehabilitadora. Lima, Perú

Freddy Ronald Valdez Jurado, Universidad Nacional Mayor de San Marcos, Facultad de Odontología, Departamento de Estomatología Rehabilitadora.

Facultad de Odontología, departamento de Estomatología Rehabilitadora. Lima, Perú

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Published

2024-07-31

How to Cite

1.
García Saldaña MR, Quinte Yarcuri CS, Jurado FRV. Post-exodontic Photobiomodulation with Different Levels of Energy on Alveolar Bone Repair in Rats. Rev Cubana Estomatol [Internet]. 2024 Jul. 31 [cited 2025 Feb. 5];61:e4863. Available from: https://revestomatologia.sld.cu/index.php/est/article/view/4863

Issue

Vol. 61 (2024)

Section

Research Article

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