Dental Oral Surgery Glossary
103 terms total — 24 showing — Last updated 15 Sep 2026
Subperiosteal Dissection
Surgical separation of the periosteum from the underlying bone using an elevator, performed to raise a mucoperiosteal flap and expose the operative site.
Paraesthesia
An abnormal cutaneous sensation — such as tingling, burning, or numbness — resulting from damage to or compression of a...
Pell and Gregory Classification
A radiographic classification system that grades the position and depth of impacted mandibular third molars in relation...
Periapical Abscess
A localised collection of pus at the apex of a tooth root, resulting from bacterial infection of a necrotic dental pulp.
Pericoronitis
Inflammation of the soft tissue surrounding the crown of a partially erupted tooth, most often a mandibular third molar.
Piezosurgery
An ultrasonic bone-cutting technique that uses microvibrations to selectively cut mineralised tissue while preserving ad...
Pre-surgical Workup
The complete set of clinical assessments, imaging studies, laboratory investigations, and administrative documentation r...
Primary Closure
Surgical closure of a wound by direct apposition of wound margins with sutures, without leaving the site to heal by seco...
Pterygomandibular Raphe
A fibrous band stretching between the pterygoid hamulus and the posterior end of the mylohyoid ridge, serving as a key a...
Relieving Incision
A vertical or oblique incision made at the margin of a surgical flap to reduce tension and improve access during oral su...
Retrograde Filling
A restorative material placed into the prepared root-end cavity during periapical surgery to seal the root canal system...
Rigid Internal Fixation
The stabilisation of osteotomy or fracture segments using titanium plates and screws to prevent movement and promote bon...
Sagittal Split Osteotomy
A surgical procedure to advance or set back the mandible by splitting the ramus along the sagittal plane, commonly abbre...
Schneiderian Membrane
The periosteal lining of the maxillary sinus; a critical anatomical structure in sinus lift surgery whose integrity must...
Sequestrectomy
Surgical removal of a bone sequestrum — a fragment of necrotic bone that has separated from the surrounding viable bone.
Sinus Lift
A surgical procedure that elevates the Schneiderian membrane of the maxillary sinus and places bone graft material benea...
Socket Preservation
A clinical procedure performed at the time of tooth extraction to minimise alveolar ridge resorption by placing grafting...
Subperiosteal Dissection
Surgical separation of the periosteum from the underlying bone using an elevator, performed to raise a mucoperiosteal fl...
Surgical Access Flap
A designed incision and tissue reflection that provides the surgeon with adequate visibility and instrument access to an...
Surgical Drain
A device placed intraoperatively or postoperatively to remove blood, fluid, or exudate from a wound site and prevent hae...
Surgical Flap Design
The planned configuration of incisions used to reflect soft tissue and gain access to underlying bone during oral surgic...
Surgical Occlusal Wafer
A custom-made acrylic splint worn between the teeth during or after jaw surgery to guide the jaws into a planned occlusa...
Surgical Stent
A custom-fabricated acrylic or resin device used intraoperatively to guide implant placement, osteotomy positioning, or...
Temporomandibular Joint
The bilateral synovial joint connecting the mandibular condyle to the temporal bone, enabling the movements of masticati...
Third Molar
The most posteriorly positioned permanent molar, commonly referred to colloquially as the wisdom tooth, and frequently t...