periodontal 

  1. 形容詞
牙齒周圍的, 齒根膜的

    
                        
    2. 
                                            

                

            

            
            

                

                
例句

                

                    
    
                                                    
  1. 
                                Figure 1: Advanced periodontal disease.                            
    2. 
                                                    
  2. 
                                Periodontal disease is caused by bacterial plaque.                            
    3. 
                                                    
  3. 
                                Antibiotics for periodontal disease come in various forms.                            
    4. 
                                                    
  4. 
                                By 3 years of age, 85% of our pets have periodontal disease.                            
    5. 
                                                    
  5. 
                                Periodontal disease often occurs in members of the same family.                            
    6.