A study for clinical diagnosis of pterygomandibular space infection in submandibular space infection and limited mouth opening patients at Phu Khiao Chaloem Phrakiat Hospital
Keywords:
infection, pterygomandibular space, limited mouth opening, diagnostic methodAbstract
This retrospective research aims to evaluate the sensitivity and specificity of the oral examination test using mouth mirror handles pressing on both sides of the oropharynx in order to diagnose pterygomandibular space infection in patients with submandibular space infection and limited mouth opening. The sample group consisted of 40 patients presenting for treatment at Phu Khiao Chaloem Phrakiat Hospital with swelling submandibular space infection and limited mouth opening between 2012 and 2022. The data recording system was developed by the researcher. Data were analyzed using descriptive statistics, and diagnostic accuracy was characterized using sensitivity, specificity, and ROC values.
Results: Diagnosis of pterygomandibular space infection using the mouth mirror handles pressing on both sides of the oropharynx had sensitivity of 100%, specificity of 80.95%, accuracy of 90%, PPV of 82.6% and NPV of 100%, respectively. ROC had a sensitivity of 100%, specificity of 100%, and Area under Curve = 0.905 (95%CI 0.80-1.00, p < .001).
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