Purpose: The effect of cryotherapy on Papilloma and Fibroma Materials and methods: In this study two patient who had reactive oral lesion were selected. First patient was a woman 50years old and she had Papilloma lesion in hard plate near the maxillary molars. Size of lesion(3* 2mm). 2end patient was a woman 65 years old and she had Fibroma lesion in mid of lower lip. Size of lesion(1* 2mm). In order to have a pain free operation ,lidocain was sprayed .Depend on the size of lesion proper probe was selected and the lesion area was frozen with nitrogen for 20-30 seconds .Due to treatment method , a white line caused by necrosis of mucosa ,appeared around the probe.
Results: After one week both of lesions were cured.
Conclusion: Oral cavity is an ideal environment for cryotherapy and if can be used effective method for treating oral lesions.