最後更新：2026年10月1日
第三型牙齒吸收(TR3)為混合型,同一顆牙齒同時具有TR1和TR2的特徵。部分牙根呈現發炎性吸收伴牙周骨質流失,部分呈現替代性吸收與骨融合,治療需依病變程度個別評估。
約佔牙齒吸收病例的10-20%
Tooth fractures (slab fractures of carnassial teeth) are common in dogs that chew hard objects. Deciduous tooth retention may cause orthodontic problems in small breeds. Oral tumors (melanoma, SCC, fibrosarcoma) should be considered in any persistent oral lesion.
這頁有幾個欄位是同系統共用的模板，還沒針對本疾病單獨改寫過。請以臨床判斷為準，記得對照下方文獻。
建議：依臨床狀況調整
監測頻率：術後 24h
[1]Effects of micro-osteoperforations performed with Propel system on tooth movement, pain/quality of life, anchorage loss, and root resorption: a systematic review and meta-analysis.
[2]Bevacizumab, a vascular endothelial growth factor inhibitor, promotes orthodontic tooth movement in an experimental rat model.
[3]Early-stage periodontal ligament compression predicts orthodontically induced root resorption in rats.
[4]Low-intensity pulsed ultrasound reduces alveolar bone resorption during orthodontic treatment via Lamin A/C-Yes-associated protein axis in stem cells.
[5]Evaluation of calcium hydroxide mixed with propolis by ultrasonic activation as root canal dressing in delayed tooth replantation.
[6]AAHA Dental Care Guidelines for Dogs and Cats
可在常規門診處理，重點在長期管理與飼主衛教 (manageable in routine visits, focus on long-term management and owner education)
預後取決於治療方式的選擇和執行完整度。完整移除發炎性病變區域是關鍵。若殘留發炎性牙根可能持續疼痛和感染,需密切追蹤。
Diagnostic Approach for Tooth Resorption Type 3
Assess facial symmetry, lymph nodes, halitosis; visual exam of accessible oral structures
Complete dental charting, periodontal probing, assessment of all teeth
Intraoral radiographs of all teeth to evaluate roots, alveolar bone, and periapical regions