gingivitis 

  1. 名詞
不可數名詞: 齒齦炎

    
                        
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例句

                

                    
    
                                                    
  1. 
                                This stage of the disease is called gingivitis .                            
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  2. 
                                Periodontitis is not reversible as gingivitis is.                            
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  3. 
                                It is likely you have gingivitis or gum disease .                            
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                                Gingivitis is an inflammation of the gingiva, or gums.                            
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                                The mildest form of gum disease is called gingivitis .                            
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