Senescent periodontal ligament cells release inflammatory compounds that disrupt osteocyte networks in jaw bone, reducing the intricate channels these bone cells use to communicate. In 16-month-old mice, these lacunar-canalicular networks showed dramatically fewer connections compared to young animals. The culprit appears to be senescence-associated secretory phenotype (SASP) factors from aged periodontal cells, which actively suppress formation of osteocyte dendrites and reduce expression of key proteins like E11/podoplanin. Most significantly, treating 12-month-old mice with the senolytic combination dasatinib plus quercetin for four months restored both the number and length of osteocyte connections while increasing beneficial E11 expression and reducing harmful sclerostin. This represents compelling evidence that cellular senescence directly impairs bone's communication infrastructure, potentially explaining why orthodontic treatment and bone healing slow with age. The success of senolytic intervention suggests these networks aren't permanently damaged but rather actively suppressed by senescent cell secretions. While promising, this mouse study requires human validation, and the optimal timing and dosing of senolytic interventions for bone health remains unclear. The finding positions periodontal senescence as a previously unrecognized driver of age-related bone deterioration.