Types of Bone Defects
- Horizontal defects
- Vertical or angular defects
- Fenestrations
- Dehiscences

Characteristics of Horizontal Defects
- Generalised bone loss occurs most frequently as horizontal bone loss.
- Horizontal bone loss manifests as a uniform decrease in the height of the bone in relation to the teeth.
- Radiographs can indicate the presence of horizontal defects.
- Triangulation is a triangular area of missing bone commonly seen in horizontal defects.
- Horizontal defects usually occur adjacent to a tooth.

References
- Carranza, FA: Bone Loss and Patterns of Bone Destruction. In Newman, MG; Takei, HH; Carranza, FA; editors: Carranza's Clinical Periodontology, 9th Edition. Philadelphia: W.B. Saunders Company, 2002. page 363.
- Robert P. Langlais; Craig S. Miller (2003). Color Atlas of Common Oral Diseases. Lippincott Williams & Wilkins. pp.74–. ISBN978-0-7817-3385-4.
- Capnocytophaga sp.
- Preston D. Miller
- Willoughby D. Miller

Other Specialties Related to Periodontal Disease
- Endodontology
- Orthodontology
- Prosthodontology
- Dentistry

Hidden Categories
- Articles with short description
- Short description with empty Wikidata description