To evaluate the effect of low level laser therapy versus the saline on wound healing after extraction of primary Molars

Inclusion Criteria:

• ● Children aged from 4 to 6 years.

  • Children of both genders.
  • Medically fit ASA I.
  • Children with badly decayed primary molars beyond repair and indicated for extraction.
  • Parents acceptance to participate in the study.
  • Cooperative children.
  • Antibiotics and painkillers have been stopped at least 12 hours prior to the procedure.(Özer et al., 2024)
  • Teeth with at least two-thirds of the root.

Exclusion Criteria:

• ● Uncooperative children.

  • Lack of informed consent by the child patient's parent to be approved ethically.
  • Unable to attend follow-up visits to avoid attrition bias by decreasing the number of drop off cases.
  • Medical history includes conditions such as prolonged bleeding, platelet disorders, hypersensitivity, allergic reactions to pain relievers, contraindications to laser therapy, and acute pain.
  • Teeth with root lengths less than two-third of the normal root length or those who experienced extensive iatrogenic trauma during tooth extraction.