Comparison of Speech Defects in Different Types of Malocclusion.

Autor:	Palakolanu SV; General Dentistry, Drs. Sudha & Nageswara Rao Siddhartha Institute of Dental Sciences, Vijayawada, IND., Dodda KK; Orthodontics and Dentofacial Orthopaedics, Drs. Sudha & Nageswara Rao Siddhartha Institute of Dental Sciences, Vijayawada, IND., Yelchuru SH; Orthodontics and Dentofacial Orthopaedics, Dr. YSR University of Health Sciences, Vijayawada, IND., Kurapati J; Orthodontics and Dentofacial Orthopaedics, Drs. Sudha & Nageswara Rao Siddhartha Institute of Dental Sciences, Vijayawada, IND.
Jazyk:	angličtina
Zdroj:	Cureus [Cureus] 2024 Jun 13; Vol. 16 (6), pp. e62290. Date of Electronic Publication: 2024 Jun 13 (Print Publication: 2024).
DOI:	10.7759/cureus.62290
Abstrakt:	Introduction Speech has a great impact on human evolution, allowing for the widespread knowledge and advancement of tools. Difficulty in pronouncing one or more sounds is the most common speech impairment. Speech defects are more commonly associated with class III malocclusion patients (difficulty in pronouncing 's' and 't' sounds), the second in line is class II malocclusion (difficulty in pronouncing 's' and 'z' sounds), and speech distortions are least affected in class I malocclusion (difficulty in pronouncing 's' and 'Sh'). Most patients with dentofacial disharmonies and speech distortions need orthodontic care and orthognathic surgery to resolve their issues with mastication, aesthetics, and speech. Aims and objectives To compare and assess speech difficulties in different types of malocclusion. Materials and methods The study was conducted over 160 subjects for three and half months. All of them were evaluated for speech defects before they received orthodontic treatment. The main basis of this study is according to Angle's classification of malocclusion. The subjects were segregated according to Angle's classification of malocclusion. Malocclusion traits that are included in this study are Angle's class I, Angle's class II division I and division II, and Angle's class III. Results According to the results, out of 160 subjects, labio-dental speech defects are observed in 8% where n=13 of the study participants, linguodental speech defects are observed in 2% where n=3, lingua-alveolar speech defects are present in 54% where n=86, and bilabial speech defects are observed in 2% where n=3 of the study participants. Here 'n' represents the frequency of the subjects. Severe speech defects are seen in Angle's class III malocclusion. Results according to the type of malocclusion include: labio-dental speech defects are seen in 37.5% in class I, 25% in class II division I, 0% in class II division II, and 37.5% in class III. Linguodental speech defects are seen in class III malocclusion subjects only. Lingua-alveolar sounds are seen in 27.8% of class I, 29.6% of class II division I, 1.9% of class II division II, and 40.7% of class III. Bilabial speech defects are only seen in class II division I subjects. According to the results, only lingua-alveolar speech defects are statistically significant, and more severe speech defects were observed in class III malocclusion. Conclusion Speech plays an important role in affecting the quality of life of people. Different types of malocclusion traits are associated with different types of speech defects. Competing Interests: Human subjects: Consent was obtained or waived by all participants in this study. Institutional Ethical Committee, Drs. Sudha and Nageswara Rao Siddhartha Institute of Dental Sciences, Chinnoutpally issued approval IEC/DRS.S&NRSIDS/2024/PG/35. Animal subjects: All authors have confirmed that this study did not involve animal subjects or tissue. Conflicts of interest: In compliance with the ICMJE uniform disclosure form, all authors declare the following: Payment/services info: All authors have declared that no financial support was received from any organization for the submitted work. Financial relationships: All authors have declared that they have no financial relationships at present or within the previous three years with any organizations that might have an interest in the submitted work. Other relationships: All authors have declared that there are no other relationships or activities that could appear to have influenced the submitted work. (Copyright © 2024, Palakolanu et al.)
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