Pneumomediastinum and subcutaneous emphysema secondary to dental extraction: Two case reports

Figure 1 Computed tomography scan showing the right mandibular third molar level of impact, fusion root, buccal and lingual to the crown, and range of emphysema in patient 1 when the emphysema occurred.

Figure 2 Computed tomography scan showed a large amount of gas in the neck, chest wall, and mediastinum in patient 1 when emphysema occurred.

Figure 3 Computed tomography scan showed the left mandibular third molar removal and range of emphysema in patient 2 when emphysema occurred.

Figure 4 Computed tomography scan showed the neck root, chest wall, and mediastinal gas in patient 2 when emphysema occurred.

Figure 5 Computed tomography scan showed absorption of gas in the neck, chest wall, and mediastinum after 5 d of treatment in patient 1.