Dental Research Glossary
105 terms total — 24 showing — Last updated 15 Sep 2026
Crossover Study Design
A clinical trial design in which each participant receives two or more treatments in sequence, serving as their own control, commonly used in dental intervention studies to reduce inter-subject variability.
Hypomineralisation
A qualitative defect in dental enamel or dentin characterised by reduced mineral content, resulting in a porous, discolo...
Informed Consent Form
A regulatory and ethical document signed by research participants that confirms they have been given, understood, and ag...
Intention-to-Treat Analysis
An analytical strategy in which all randomised participants are included in the group to which they were assigned, regar...
Intraclass Correlation Coefficient
A statistical measure (ICC) used in dental research to quantify the degree of agreement among raters or between repeated...
Keratinised Gingiva
The band of firm, stippled gingival tissue extending from the free gingival margin to the mucogingival junction, compose...
Laser Doppler Flowmetry
A non-invasive diagnostic technique that measures microvascular blood flow within the dental pulp by detecting the Doppl...
Malocclusion
A deviation from the ideal occlusal relationship of the upper and lower teeth, classified using Angle's classification s...
Masking (Blinding)
A methodological procedure in clinical trials in which participants, investigators, or outcome assessors are kept unawar...
MDAS
Abbreviation for Modified Dental Anxiety Scale, a five-item validated questionnaire assessing dental anxiety including r...
MIH
Acronym for Molar Incisor Hypomineralisation, a developmental enamel defect affecting one or more first permanent molars...
MTA
Abbreviation for Mineral Trioxide Aggregate, a calcium silicate-based dental material used in endodontics and vital pulp...
Mucosal Margin
In implant dentistry, the soft-tissue border surrounding a dental implant, analogous to the gingival margin around a nat...
Mucositis
Reversible inflammatory condition of the soft tissue (mucosa) surrounding a dental implant, analogous to gingivitis arou...
Occlusal Splint
A removable hard or soft dental appliance worn over the teeth to modify or stabilise occlusal forces, used in bruxism an...
Odontoblast
A specialised mesenchymal cell of the dental pulp periphery that synthesises and deposits dentine matrix throughout the...
OHI-S
Oral Hygiene Index-Simplified; a standardised index measuring the extent of oral debris and calculus deposits on tooth s...
OHRQoL
Acronym for Oral Health-Related Quality of Life, a patient-reported construct measuring the impact of oral health on dai...
Oral Health-Related Quality of Life
A multidimensional patient-reported outcome measure capturing the impact of oral conditions and treatments on an individ...
Osseointegration
The direct structural and functional connection between living bone and the surface of a load-bearing implant, without i...
PAI
Abbreviation for Periapical Index, a validated five-point radiographic scale for grading periapical tissue health in end...
Panoramic Radiograph
A single extraoral X-ray image that provides a two-dimensional panoramic view of the entire upper and lower jaws, teeth,...
Peri-implantitis
An inflammatory condition affecting the soft and hard tissues surrounding an osseointegrated dental implant, resulting i...
Periapical Index
A five-point ordinal scale used to grade periapical tissue status on radiographs, from normal to severe apical periodont...
Periapical Radiograph
An intraoral dental radiograph that captures the entire tooth including the root apex and surrounding periapical bone.