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  Indian J Med Microbiol
 

Figure 7: Drawings indicating eruption of the lower first molar and growth of its surrounding alveolar bone. Left: Normal annual increment of alveolar bone apposition as indicated with black lines to the right. Eruption and bone apposition are coordinated as under normal conditions. Same figure as illustrated in Figure 6. Right: These two drawings indicate abnormal coordination of eruption and alveolar bone apposition. To the left the bone has not been laid down mesially to the molar during eruption (group 1 in the present study). To the right eruption is arrested by ankylosis while alveolar bone has continued normal yearly growth deposits

Figure 7: Drawings indicating eruption of the lower first molar and growth of its surrounding alveolar bone. Left: Normal annual increment of alveolar bone apposition as indicated with black lines to the right. Eruption and bone apposition are coordinated as under normal conditions. Same figure as illustrated in Figure 6. Right: These two drawings indicate abnormal coordination of eruption and alveolar bone apposition. To the left the bone has not been laid down mesially to the molar during eruption (group 1 in the present study). To the right eruption is arrested by ankylosis while alveolar bone has continued normal yearly growth deposits