Investigation of Respiratory Function in Bruxism

Condition(s) studied

Investigational drug(s) / intervention(s)

Pulmonary function test: Participants' respiratory functions will be assessed in different positions with the Cosmed Pony Fx Digital Spirometer (11). Forced vital capacity (FVC), forced expiratory volume in one second (FEV1), the ratio of forced expiratory volume in one second to forced vital capacity (FEV1/FVC), and peak expiratory flow rate (PEF) will be determined during the pulmonary function test.

Fonseca Anamnestic Index: The questionnaire consists of 10 questions covering headaches, neck pain, temporomandibular joint pain, pain during chewing, parafunctional habits, malocclusion, and stress, and is scored as 10 (yes), 5 (sometimes), and 0 (no). The total score ranges from 0 to 100. A higher total score indicates an increased risk of temporomandibular joint problems.

Jenkins Sleep Scale: The Jennkis Sleep Scale consists of four questions that assess sleep problems over a 4-week period. Each question is scored from 0 to 5. The total score ranges from 0 to 20 and indicates increasing sleep disturbance.

Berlin Questionnaire: Berlin Questionnaire: The Berlin Questionnaire is a three-part assessment tool that assesses individuals' predisposition to sleep apnea. The first part contains five questions investigating snoring, the second part contains four questions investigating daytime sleepiness, and the third part contains two questions investigating hypertension and obesity. Each section is evaluated independently. Individuals who score 2 or higher in the first and second sections, and those who score 1 in the third section, are considered predisposed to sleep apnea. If two or more categories are positive, the participant is considered high risk for obstructive sleep apnea. If the participant scores two or more in the first and second categories, they are considered high risk. If blood pressure is high or BMI is above 30 kg/m2, the participant is considered high risk.

Headache Impact Test-6: Headache Impact Test-6: The Headache Impact Test-6 (HIT-6) is administered to identify activities individuals are unable to perform due to headaches and to determine the extent to which headaches impact daily life. This six-question questionnaire includes columns with increasing scores, from "never" to "always." Participants are asked to mark the box closest to their response. A high total score indicates that headaches negatively impact daily life.

Study summary

The aim of the study was to evaluate the respiratory functions, sleep quality and headache severity of individuals with bruxism and to compare them with the control group without bruxism.

Eligibility

Primary outcome measure(s)

• Forced vital capacity (FVC) — From enrollment to the end of the assessment period at 2 hours
  Participant's forced vital capacity (FVC) will be assessed in different positions with the Cosmed Pony Fx Digital Spirometer. Forced vital capacity (FVC) is a subparameter of pulmonary function tests.
• Forced expiratory volume in one second (FEV1) — From enrollment to the end of the assessment period at 2 hours
  Participants' forced expiratory volume in one second (FEV1) will be assessed in different positions with the Cosmed Pony Fx Digital Spirometer. Forced forced expiratory volume in one second (FEV1) is a subparameter of pulmonary function tests.
• Peak expiratory flow rate (PEF) — From enrollment to the end of the assessment period at 2 hours
  Peak expiratory flow rate (PEF) will be assessed in different positions with the Cosmed Pony Fx Digital Spirometer. Peak expiratory flow rate (PEF) a subparameter of pulmonary function tests.

Trial sites (1)

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