GUNNING SPLINT PDF

The complication rate of infection or malunion is higher compared to fractures in younger, dentulous patients. For edentulous patients, treatment planning poses greater difficulties during reduction and fixation of fractured atrophic mandible. Due to edentulism, guidelines provided by occluding teeth for reduction and fixation of fracture, are absent. Also, open reduction of fracture site is not helpful due to compromised medical condition of the patient at older age. The denture bearing area of the edentulous mandible is not only more easily fractured, but S.

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The complication rate of infection or malunion is higher compared to fractures in younger, dentulous patients. For edentulous patients, treatment planning poses greater difficulties during reduction and fixation of fractured atrophic mandible. Due to edentulism, guidelines provided by occluding teeth for reduction and fixation of fracture, are absent.

Also, open reduction of fracture site is not helpful due to compromised medical condition of the patient at older age. The denture bearing area of the edentulous mandible is not only more easily fractured, but S. Kakade Department of Prosthodontics, Dr. For such condition, closed reduction and fixation of fractured segment with Gunning type splint is preferred over open reduction technique. It holds together fractured segments of mandibular bone and immobilizes the jaws in occlusion. A Gunning splint for the edentulous mandible consists of a type of monoblock resembling two bite blocks joined together.

These splints take form of modified dentures with bite block placed in posterior region and a space in incisal area to facilitate feeding. Immobilization is carried out by attaching the upper splint to maxilla by per-alveolar wiring and the lower splint to the mandibular body by circumferential wires.

Intermaxillary splinting can be done by connecting two splints with wire loops or elastic bands [3, 4]. In this clinical report, step by step method for fabrication of Gunning splint and its intraoral fixation in an edentulous patient is discussed. Case Report A year old male patient was referred to Department of Prosthodontics, from Department of oral and maxillofacial surgery for the fabrication of Gunning splint.

History revealed that the patient had trauma in mandibular anterior region 5 days ago. Orthopantomograph showed displaced mandibular fracture in right mandibular anterior region. Fracture line was extending till the base of the mandible in vertically favourable manner.

Impressions were immediately poured in dental stone to obtain casts. These parts were then repositioned to resemble normal mandibular contours. On this altered cast, the record bases were fabricated and occlusal rims were made. Approximate jaw relation was made by clinical judgement and it was mounted on an articulator. Then the occlusal rims were altered. One anterior opening was made in rims for feeding purpose and posteriorly interlocking mechanism was provided to avoid any movement between two splints Fig.

The arch bar was incorporated on buccal side of each splint with help of self cured acrylic resin Fig. These arch bars were used for intermaxillary fixation of the splints. Then finishing and polishing of splints was carried out and they were disinfected in glutaraldehyde solution, During surgical procedure, first the maxillary splint was fixed with per-alveolar wiring.

The tissue side of mandibular splint was relined with low fusing impression compound. This was done to compensate for any discrepancy between the splint and the mandible and also to provide firm immobilization of mandibular segments [5]. Mandibular splint was fixed by circum-mandibular wiring Fig. After securing the splints to the underlying bone, intermaxillary fixation was done with arch wires to provide firm immobilisation Fig. This was kept for 6 weeks after which it was replaced with elastics.

Orthopantogram showed complete reduction of fractured segments Fig. Discussion Fig. Hence, it was decided to perform closed reduction of the fractured mandible with Gunning splint instead of open reduction. The endosteal supply from inferior alveolar artery begins to disappear and bone becomes increasingly dependent on periosteal network of vessels for its blood supply. Atrophic edentulous mandible has a reduced cross-sectional area as compared to dentate mandible. If mandible is atrophic, then the fractured fragments will be more easily displaced.

Due to decrease in bone height, it is not suitable for screwing and plating the fracture site. Close reduction with Gunning splint is advantageous because, not only it preserves the periosteal blood supply, but also provides firm mandibular fixation and immobilisation [7]. Advantages 1. It does not require surgical exposure of fracture site Can be used in both dentulous and edentulous patients In edentulous cases, even the previous dentures can also be used as splints to stabilize the fractured segments, if the fracture line is present in the denture bearing area It is a minimally invasive technique Fig.

Inadequately secured splints—if circummandibular wires placed too close to the fracture site Contraindicated in unfavourably displaced fractures The splints may become foul, if proper oral hygiene is not maintained Conclusion In almost all the selected and planned cases of fractured atrophic edentulous mandible, a satisfactory union of the fractured segments can be obtained with Gunning type of splint.

The splints are easy to fabricate, are cost effective and Fig. Gunning type splints, when properly designed and planned for a particular case; prove to be a very good treatment option for fractured atrophic edentulous mandible. References 1. Moodie F Mr. Gunning and his splints. Br J Oral Surg — 2. J Prosthet Dent — 4. Alastair N. Goss, R. Ormand B An improved Gunning splint.

J Prosthet Dent , pp. J Dent Tehran Summer 9 3 — 7. Philip L, David R Spontaneous mandibular fracture in a partially edentulous patient: case report.

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Use of Gunning Splint for the Treatment of Edentulous Mandibular Fracture: A Case Report

Gunning splint The bone atrophy and advanced age favors the conservative treatment due to higher incidence of complications associated with geriatric edentulous mandible. Edentulousness and increased spllnt has been important risk factor for mandible fracture. Impressions were immediately poured in dental stone to obtain casts. Gunning type splints, when properly designed and planned for a particular case; prove to be a very good treatment option for fractured atrophic edentulous mandible. No other significant finding was observed in the oral cavity. Treatment of atrophic edentulous mandible fracture is challenging due to the associated complications.

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