Former Umezu Dental Clinic Building

A Dental Surgery That Chose to Look Like a Villa

The Former Umetsu Dental Clinic Consulting Wing (旧梅津歯科医院診療棟, also written Kyū Umetsu Shika-in Shinryōtō) is a two-storey timber building completed in 1927 in the Tōkamachi district of Kaminoyama City, Yamagata Prefecture, listed as a Registered Tangible Cultural Property (登録有形文化財) on 17 February 2022 under registration number 06-0197.

The building sits toward the eastern side of the middle of the family compound and faces south. Its roof is irimoya, the hipped-and-gabled form used across Japan for buildings of some standing, covered in sheet iron and topped with a finial. Below it, a porch pushes forward from the facade carrying a pediment. That combination gives away the intent immediately: a provincial dental practice presenting itself in the visual language of a Western house.

The Umetsu family had reason to make such a statement. Kaminoyama City records that its members served as physicians to the Kaminoyama domain during the Edo period, and the dental practice itself opened during the Taishō era (1912 to 1926). The consulting wing of 1927 was therefore built by a household with several generations of medical standing behind it, at a moment when a new profession was arriving in Japan and looking for an architecture to match.

The plan is compact, 76 square metres of building area. A pharmacy occupied the ground floor. Upstairs held the examination room and a dental laboratory, the workshop where crowns, bridges and dentures were shaped by hand. Purpose-built rooms for that craft are uncommon survivals in provincial Japan, and their presence here shows a practice equipped to the standard of its day.

Why the Building Was Registered

Japan operates two parallel systems for protecting historic buildings, and the difference matters for understanding what this property is. Designation as an Important Cultural Property (重要文化財) or National Treasure (国宝) applies to a small number of buildings of the highest historical value and brings tight controls on any alteration. Registration, created in 1996, works more lightly. Owners notify the government before making changes rather than seeking permission, which suits buildings that remain in daily private use. Around 14,000 structures now carry registered status.

The consulting wing was registered under the criterion of being a model of design (造形の規範となっているもの), the same criterion applied to the adjoining residential wing and to the parlour storehouse in the garden. Two further storehouses on the property, used for grain and for miso, were registered instead for their contribution to the historic landscape. Five buildings in total were registered on the same February day in 2022, numbered 06-0197 through 06-0201.

What the design criterion recognises here is not novelty. Western-style clinic buildings went up across Japan in the 1920s. The interest lies in how thoroughly the Western vocabulary was carried through, and where it stopped.

Where the Western Manner Ends

Look at the exterior and you read a Western building. Step inside, according to the Agency for Cultural Affairs description, and the waiting areas on both floors are floored with tatami.

This is the detail worth pausing on. Patients in 1927 Kaminoyama waited on rice-straw mats, in stockinged feet, beneath a moulded ceiling medallion of a kind found in European drawing rooms. The staircase balustrade is worked in the same Western manner. The building did not so much convert to Western living as wear Western dress over habits that had not changed.

Japanese architectural historians treat this kind of selective adoption as characteristic of the period rather than as compromise. The pediment and the finial announced modern medicine to anyone approaching from the street. The tatami inside acknowledged that people would remove their shoes at the door, as they always had.

The west side of the building connects directly to the residential wing, a Japanese-style structure of the same year. The join between the two is visible from outside and is perhaps the single most instructive thing about the compound: two architectural systems, built simultaneously by the same household, kept distinct and joined at the shoulder.

Visiting Tōkamachi

The property is privately owned and is not open to the public. There is no admission, no opening schedule and no interior access. Anyone travelling to Kaminoyama specifically to go inside this building will be disappointed, and it is better to know that in advance.

The exterior can be seen from the public street, and this is worth the short detour if you are already in town. The site is roughly a five-minute walk from Kaminoyama-Onsen Station on the JR Ōu Main Line, which puts it about 20 minutes by local train from Yamagata Station. Photography should be limited to what is visible from outside the property line. This remains someone's home.

Tōkamachi itself rewards walking. Kaminoyama grew as a castle town below Kaminoyama Castle (also called Tsukioka Castle, founded in 1535), as a post station on the Ushū Kaidō highway, and as a hot-spring town, and the Tōkamachi district sat where those three functions overlapped. Four samurai residences survive on the Nakachō street a short walk north, of which the Miwa house is open to visitors; the others can be viewed from their gardens. The reconstructed castle keep houses a local history museum. Kaminoyama holds five other registered properties, among them the Kaisendō museum complex and the older wing of the Yamashiroya inn, so the Umetsu buildings fit into a walkable circuit rather than standing alone.