A 35-year-old woman came to the dental office complaining of teeth mobility. Objectively, her teeth 42, 41, 31, 32 have the II degree mobility and teeth 43, 33. have the I degree mobility. The tooth crowns are intact. The woman presents with a deep bite. X-ray shows resorption of the interdental septa by 1/3 of the root height. What splint construction is advisable in this case for temporary use?