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**ORLs – only occur when odontoclasts resorb the [[Oral Cavity - Teeth & Gingiva - Anatomy & Physiology|tooth]]/bone  
 
**ORLs – only occur when odontoclasts resorb the [[Oral Cavity - Teeth & Gingiva - Anatomy & Physiology|tooth]]/bone  
 
***continues with remodeling of [[Alveolar bone - Anatomy & Physiology|alveolar bone]] until ankylosis  
 
***continues with remodeling of [[Alveolar bone - Anatomy & Physiology|alveolar bone]] until ankylosis  
*** fixation of [[Periodontal ligament|periodontal ligament]] and [[Lamina dura - Anatomy & Physiology|lamina dura]] so that the [[Oral Cavity - Teeth & Gingiva - Anatomy & Physiology|tooth]] is permanently fixed to the bone.
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*** fixation of [[Periodontal ligament - Anatomy & Physiology|periodontal ligament]] and [[Lamina dura - Anatomy & Physiology|lamina dura]] so that the [[Oral Cavity - Teeth & Gingiva - Anatomy & Physiology|tooth]] is permanently fixed to the bone.
 
*Odontoclasts normally only active in young animals to resorb the [[Oral Cavity - Teeth & Gingiva - Anatomy & Physiology#Temporary Tooth|deciduous teeth]] to make way for the [[Oral Cavity - Teeth & Gingiva - Anatomy & Physiology#Permanent Tooth|permanent teeth]] – so represents abnormal activation in adults.
 
*Odontoclasts normally only active in young animals to resorb the [[Oral Cavity - Teeth & Gingiva - Anatomy & Physiology#Temporary Tooth|deciduous teeth]] to make way for the [[Oral Cavity - Teeth & Gingiva - Anatomy & Physiology#Permanent Tooth|permanent teeth]] – so represents abnormal activation in adults.
 
*Can have inflammatory infiltrates into the resportive lesions
 
*Can have inflammatory infiltrates into the resportive lesions