Abstract Title:

Does stinging nettle (Urtica dioica) have an effect on bone formation in the expanded inter-premaxillary suture?

Abstract Source:

Arch Oral Biol. 2016 Sep ;69:13-8. Epub 2016 May 7. PMID: 27209059

Abstract Author(s):

Celal Irgin, Bayram Çörekçi, Fatih Ozan, Koray Halicioğlu, Orçun Toptaş, Arzu Birinci Yildirim, Arzu Türker, Fahri Yilmaz

Article Affiliation:

Celal Irgin


OBJECTIVE: To determine whether systemically given stinging nettle (SN) has an effect on bone formation in response to expansion of the rat inter-premaxillary suture.

MATERIALS AND METHODS: A total of 28 male Wistar albino rats were randomly divided into 4 equal groups: control (C), only expansion (OE), SN extract given only during the expansion and retention periods (SN group; a total of 17days), and SN extract given during the nursery phase before expansion (a period of 40days) and during the expansion and retention periods (N+SN group; a total of 57days). After the 5-day expansion period was completed, the rats in the OE, SN, and N+SN groups underwent 12days of mechanical retention, after which they were sacrificed, and their premaxilla were dissected and fixed. A histologic evaluation was done to determine the number of osteoblasts, osteoclasts, and capillaries, as well as the number and intensity of inflammatory cells and new bone formation.

RESULTS: Statistically significant differences were found between the groups in all histologic parameters except the ratio of intensities of inflammatory cells. New bone formation and the number of capillaries were significantly higher in the SN groups than in the other groups. The statistical analysis also showed that the numbers of osteoblasts, osteoclasts, and capillaries were highest in the N+SN group.

CONCLUSION: Systemic administration of SN may be effective in accelerating new bone formation and reducing inflammation in the maxillary expansion procedure. It may also be beneficial in preventing relapse after the expansion procedure.

Study Type : Animal Study

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