Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Ectopic Eye Tooth Management: Photobiomodulation / low-level Laser Emission Role in Root Resorption After Fixed Orthodontic Treatment

Version 1 : Received: 30 December 2021 / Approved: 5 January 2022 / Online: 5 January 2022 (13:15:17 CET)

How to cite: Alam, M.K.; Ganji, K.K.; Alfawzan, A.A.; Manay, S.M.; Srivastava, K.C.; Chaudhari, P.K.; Hosni, H.A.; Alswairki, H.J.; Alansari, R. Ectopic Eye Tooth Management: Photobiomodulation / low-level Laser Emission Role in Root Resorption After Fixed Orthodontic Treatment. Preprints 2022, 2022010043 (doi: 10.20944/preprints202201.0043.v1). Alam, M.K.; Ganji, K.K.; Alfawzan, A.A.; Manay, S.M.; Srivastava, K.C.; Chaudhari, P.K.; Hosni, H.A.; Alswairki, H.J.; Alansari, R. Ectopic Eye Tooth Management: Photobiomodulation / low-level Laser Emission Role in Root Resorption After Fixed Orthodontic Treatment. Preprints 2022, 2022010043 (doi: 10.20944/preprints202201.0043.v1).

Abstract

The orthodontic treatment brings numerous benefits and, in most cases, the benefits outweigh the possible disadvantages. Root resorption (RR) is a common adverse phenomenon associated with orthodontic treatment. This study evaluates the role of low-level laser emission / Photobiomodu-lation (LE/P) in quantitative measurements of root resorption (QRR). The application of LE/P was done after each orthodontic activation with 4 types of treatment intervention (TI) on the RR after fixed orthodontic treatment (FOT) of the upper arch with ectopic eye tooth/teeth [EET]. 32 Orthodontic patients scheduled for FOT were selected and assigned to the 4 groups. These were LE/P+Self ligating bracket (SLB), LE/P+Conventional bracket (CB), Non-Photobiomodulation (non-LE/P)+SLB, and non-LE/P+CB. Standard management stages of FOT were followed in the maxilla. Each patient received a single application of LE/P labially/buccally and palatally, a total of 5 different points during each activation or appointment. The main outcome measure was QRR in maxillary anteriors before and after FOT assessed via cone-beam computed tomography (CBCT) using 3D OnDemand software. Insignificant QRR was found between before and after FOT in SLB, CLB, and LE/P, non-LE/P groups (p > 0.05). QRR in the SLB vs CB and LE/P vs non-LE/P group was significantly different in 11, 13, and 23 (p < 0.05). QRR in the LE/P+SLB group (p < 0.05) was significantly different in 11, 13, and 23 than that in the other groups. The most severe QRR was found on the 13 (0.88 ± 0.28mm and 0.87±0.27mm) and 23 (1.19 ± 0.14 mm and 1.16±0.13mm) in the CB and non-LE/P group (p < 0.001). LE/P+SLB showed highly significant superior outcome (p < 0.001) in relation to non-LE/P+CB, the QRR of 23 were 0.813± 0.114mm and 1.156± 0.166mm respectively. Significantly higher amount of QRR found in EET patients after FOT treated with the CB, non-LE/P, and non-LE/P+CB system and warrants further investigation to explore potential specific causes.

Keywords

Photobiomodulation; low level laser therapy; ectopic eye tooth; root resorption; treatment modalities.

Subject

MEDICINE & PHARMACOLOGY, Dentistry

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