Dental Hygiene Glossary
104 terms total — 24 showing — Last updated 15 Sep 2026
Mucositis
Inflammation and ulceration of the oral mucous membranes, most frequently occurring as a complication of cancer chemotherapy or head-and-neck radiation therapy.
Halitosis
A clinical term for persistent malodour originating from the oral cavity or, less commonly, systemic or respiratory sour...
Informed Consent (Dental)
The legal and ethical process by which a patient acknowledges understanding of a proposed dental hygiene procedure, its...
Interdental Brush
A small, cylindrical or conical brush designed to clean between teeth and around orthodontic appliances, implants, and b...
Interproximal
Pertaining to the area between adjacent teeth, particularly relevant to plaque removal and radiographic examination in d...
Intrinsic Staining
Discolouration originating within the tooth structure itself, incorporated into enamel or dentine during or after tooth...
Junctional Epithelium
The band of non-keratinized epithelial tissue that attaches the gingiva to the tooth surface at the base of the gingival...
Keratinised Gingiva
The band of firm, pale-pink gingival tissue that extends from the free gingival margin to the mucogingival junction, pro...
Malocclusion
Any deviation from the accepted norm of tooth and jaw alignment, classified by Angle's classification system into Class...
Mandibular Tori
Benign bony exostoses located on the lingual surface of the mandible, commonly encountered during oral examination and n...
Modified Bass Technique
A toothbrushing method in which the bristles are angled at 45 degrees to the gingival margin and vibrated in short back-...
Mucogingival Junction
The anatomical boundary demarcating the keratinised gingiva from the non-keratinised alveolar mucosa, visible as a scall...
Mucositis
Inflammation and ulceration of the oral mucous membranes, most frequently occurring as a complication of cancer chemothe...
NSPT
Non-Surgical Periodontal Therapy; the initial, non-invasive phase of periodontal treatment comprising scaling, root plan...
Occlusal Equilibration
A restorative and preventive procedure involving the selective reshaping of tooth surfaces to correct uneven bite forces...
Occlusal Radiograph
An intraoral radiograph taken with a large film or sensor held between the patient's teeth, providing a broad view of th...
Occlusion
The contact relationship between the maxillary and mandibular teeth when the jaws are closed or in functional movement.
Odontogram
A diagrammatic chart of the teeth, used to record existing restorations, missing teeth, pathology, and treatment needs a...
OHI
Oral Hygiene Instructions; the structured patient education provided by a dental hygienist on brushing, flossing, and ot...
Operculum
The flap of gingival tissue that partially covers the crown of an incompletely erupted tooth.
Oral Epithelium
The stratified squamous epithelial lining of the oral mucosa, which may be keratinised or non-keratinised depending on l...
Oral Prophylaxis
A professional preventive dental procedure involving the removal of plaque, calculus, and stain from supragingival and m...
Palliative Care (Oral)
Dental hygiene and dental treatment focused on relieving oral symptoms and maintaining comfort in patients with serious...
Panoramic Radiograph
A single extraoral radiographic image capturing the entire dentition, jaws, temporomandibular joints, and surrounding st...
Peri-implant Mucositis
Reversible inflammatory changes confined to the soft tissue surrounding a dental implant, without accompanying bone loss...