Photobiomodulation with low-level laser therapy in the area of orofacial motricity: comparative analysis from the knowledge of specialists

Freire, Maria Louize Justino; Coêlho, Julyane Feitoza; Correia, Paula Rayana Batista; Almeida, Larissa Nadjara Alves; Pernambuco, Leandro de Araújo; Alves, Giorvan Ânderson dos Santos

doi:10.1590/2317-6431-2021-2487

Brasil

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Brief Communication • Audiol., Commun. Res. 26 • 2021 • https://doi.org/10.1590/2317-6431-2021-2487 linkcopy

Photobiomodulation with low-level laser therapy in the area of orofacial motricity: comparative analysis from the knowledge of specialists

Authorship SCIMAGO INSTITUTIONS RANKINGS

ABSTRACT

Purpose To compare knowledge and interest of speech therapists specialized in Orofacial Motricity regarding the use of low-level laser before and after approval of resolution No. 541 by the Brazilian Federal Speech Language Pathology and Audiology Council (CFFa).

Methods Cross-sectional observational and quantitative study of comparative character consisting of two distinct moments: first data collection performed in 2016, before approval of the resolution; and second, collection performed in 2020, after publication of the regulation. The first sample consisted of 25 participants and the second of 49, with the entire sample consisting of specialists in Orofacial Motricity. The collection instrument was an online Google Form consisting of questions on the profile of the speech therapist, knowledge, interests, and applicability of photobiomodulation with low-level laser. Data were analyzed using descriptive and inferential statistics.

Results In both moments, the significant majority of professionals indicated knowing what is photobiomodulation, agreed that the Orofacial Motricity specialist can act with the technique and indicated temporomandibular dysfunction and facial paralysis as main applications. Statistically significant differences were found between the results obtained before and after the publication of the resolution, with a significant increase in access to bibliography, training, knowledge of biosafety standards, access to the low-level laser apparatus and use in clinical practice.

Conclusion Change in the professional profile regarding the use of photobiomodulation was verified, with increased knowledge, interest, and applicability by Orofacial Motricity specialists after publication of the normative resolution.

Keywords: Speech, language and hearing sciences; Speech therapy; Lasers; Laser therapy; Low-level light therapy

Variables	Before the resolution of CFFa	After the resolution of CFFa
Mean age	43.0	43.20
	Doctorate degree (61.5%)	Doctorate degree (28.6%)
Background	Master’s degree (26.9%)	Master’s degree (16.3%)
	Specialization (11.5%)	Specialization (36.7%)
	Up to 1 year (0%)	Up to 1 year (2.0%)
	Between 1 and 5 years (0%)	Between 1 and 5 years (10.2%)
Professional activity	Between 5 and 10 years (3.8%)	Between 5 and 10 years (4.1%)
	Between 10 and 20 years (42.3%)	Between 10 and 20 years (36.7%)
	From 21 years (53.8%)	From 21 years (46.9%)
	Clinic and/or intership (19.2%); classroom (11.5%); other locations (7.7%)	Clinic (75.5%); home care (32.7%); hospitals (22.4%), and classroom (20.4%)
Workplace
	Teachers (81.5%)	Teachers (49.0%)
Teaching in Speech Therapy	Teaches in undergraduate courses (23.1%)	Teaches in undergraduate courses (8.2%)
	Teaches in postgraduate courses (30.8%)	Teaches in postgraduate courses (22.4%)
	Teaches in both courses (34.6%)	Teaches in both courses (18.4%)
Knows what is photobiomodulation	Yes (92.3%)	Yes (100%)
Content on photobiomodulation introduced at graduation	100% of professionals did not have	93.9% of professionals did not have
Content on photobiomodulation introduced at postgraduation	96.2% of professionals did not have	85.7% did not have
Access mode to LLL apparatus	Private apparatus (0%)	Private apparatus (63.3%)
	Universities (23.1%)	Universities (12.2%)
		Rental/lending (6.1%)
Agree that the specialist in OM should act in photobiomodulation	Yes (76.9%)	Yes (67.3%)
	No (3.8%)	No (2.04%)
	Does not know (19.2%)	Does not know (30.76%)
Therapeutic indications	TMD (46.2%)	TMD (28.57%)
	Facial paralysis (3.8%)	Facial paralysis (40%)
	Both (34.6%)

	Before the resolution of the CFFa			After the resolution of the CFFa			p value
	Response	N	%	Response	N	%	p value
Did some training/qualification in photobiomodulation	Yes	2	7.7%	Yes	41	83.7%	p=0.0001^*
Did some training/qualification in photobiomodulation	No	24	92.3%	No	8	16.3%	p=0.0001^*
Access to some bibliography on photobiomodulation	Yes	10	38.5%	Yes	41	83.7%	p=0.0001*
	No	16	61.5%	No	8	16.3%	p=0.0001*
Access to an LLL apparatus	Yes	5	19.2%	Yes	41	83.7%	p=0.0001*
	No	21	80.8%	No	8	16.3%	p=0.0001*
Uses LLL therapy in clinical practice	Yes	1	3.8%	Yes	35	71.4%	p=0.0001*
	No	25	96.2%	No	14	28.6%	p=0.0001*
Know the biosafety standards in photobiomodulation	Yes	6	23.1%	Yes	42	85.7%	p=0.0001*
	No	20	76.9%	No	7	14.3%	p=0.0001*

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Academia Brasileira de Audiologia Rua Itapeva, 202, conjunto 61, CEP 01332-000, Tel.: (11) 3253-8711 - São Paulo - SP - Brazil
E-mail: revista@audiologiabrasil.org.br

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[1] Subtitle: CFFa = Brazilian Federal Speech Language Pathology and Audiology Council; LLL = Low-level laser; OM = Orofacial motricity; TMD = Temporomandibular dysfunction